Replaced alternator now its squealing. html>lywg
Replaced alternator now its squealing. Replaced alternator, still makes noise.
Could be an idler pulley with the bearing going out or the alternator, a/c compressor, or power steering pump that is turning with more resistance than 2004 Hyundai Sonata, 2. Feb 3, 2024 · Squealing noises: A high-pitched squealing sound when the engine is running could indicate a loose or misaligned alternator belt slipping against the pulleys. Aug 2, 2011 · A couple days ago I replaced my pulleys: Water Pump pulley = replaced; Idler pulley = replaced; Power Steering pulley = replaced; Alternator pulley = not replaced (I have a new one but I don***8217;t know how to replace it. all was fine until after a few weeks and now it squeals non-stop. Last night. No issues up until a few days ago when all of a sudden my new belt started squealing. Usually it goes away if I rev the engine pretty high in neutral. Alternator squealing can often be heard when a vehicle is under strain. Don't have a YouTube channel so can't post video. So alternator belt is fine. Sep 6, 2010 · Alternator belt is fine just replaced it. Jul 14, 2017 · This may have happened when you replaced the alternator potentially tightening the belt too tight. Tighten alternator bolts. I got a new tensioning screw and belt from Toyota but I still had the squeal on startup. Views expressed by the author of this post do not necessarily represent those of the Lindsay Automotive Group. Just replaced the tension bolt because old one snapped on serpentine. I replaced my alternator and on the next day I have a very loud squeaking sound coming from around the alternator area. 0 flex fuel engine. If the belt is loose, it’s going to squeal. If you pay attention to the alternator belt squeal after replacement in the front of your vehicle, whether or not the belt noise is going away while heat or now no longer, it may be so traumatic and embarrassing. ARE YOU sick of the alternator belt squeaking and chirping like a flock of birds? Well, here we show you how to STOP that once and for allGuaranteedHello If it’s an alternator issue, the car will die again soon. If off the tensioner is worn and should be replaced as a assembly. When the engine is cranking, the battery is drained somewhat and the alternator will have a heavy load for a few May 30, 2010 · If the bearing in the alternator is worn/hanging/binding that will make the belt squeal every time. The weird thing is that it goes on and off in about 30 second intervals. Car runs fine for a while. 120K. Jun 9, 2024 · Low weather temperatures can also affect your drive belt and cause it to make uncomfortable noises. This squealing noise is mostly caused by a bad serpentine belt. Now it's appearing while I'm driving, and as its squeaking the lights dim as well. Replaced the belt, still made noise. An alternator belt, also known as a drive belt, serpentine belt, or accessory belt, is a crucial component in a vehicle’s engine that drives multiple peripheral components, including the alternator. May 5, 2014 · I was far from home and lived with it through about 6000 miles while I waited for a service appointment. Jun 10, 2019 · If it’s still showing in the 12’s, it’s time to replace the alternator. May 30, 2020 · I got a better multimeter and it’s showing 14. Left unattended, the problem that causes a pulley squeal will likely become worse and lead to expensive alternator or engine repairs. Alternator giving me problems with heating up and ended up having to replace the belt. If the A/C is driven by a different belt, could still be the alternator belt’s that making thenoise. What I would do is get a rubber hose, about 2-3 feet long. If it only contacting the alternator pulley about 30 degrees it is routed incorrectly. The Sep 10, 2019 · I agree with CR. Now, assuming that the alternator was producing over 14 volts, go ahead and turn on the headlights, air conditioner, radio, and any Jul 15, 2019 · Dismantle alternator, replace bad component, re-assemble alternator, re-install? Oh HELL no. Mechanic's Assistant: How long has this squealing noise been going on? Any leaking? Since I replaced the alternator yesterday. Aug 1, 2015 · For what it's worth, on my 90 YJ 2. It sounds like the belt is a little loose. Remember that the squeal is the symptom, not the problem. I've replaced the drive belt about two months ago. Now when I accelerate it squeals. When starting the car in the morning or after several hours, there's a slight squeal for 2 seconds from the alternator belt. It never squealed before I replaced the alternator. its pretty embarrassing. This is due to the bearings not being adequately lubricated. If entire belt is misaligned now, due to alternator pulley put out of alignment by alternator shaft, it may cause pump pulley unusual strain just a guess. I used the spray and replaced the belt, what would cause it to squeal when I at a stop light or going slow. 4. This article will teach you how to troubleshoot your alternator pulley to eliminate the noise. Try disconnecting the wires from the alternator and taping them off so they dont hit anything. The squeal is so brief it is easily drowned out by the starter noise if not looking for it. If your car’s alternator pulley is worn out, loose, or has a bad bearing, it can cause a squealing noise when you start the vehicle. The lights turn on, so it's never dead. In this piece of article, we will look at the causes of squealing serpentine belts after replacement and how to diagnose and fix the problems. Tension is good burin could be wrong. It’s the labor that costs money. Not only is this noise annoying, but a slipping or loose pulley could mean other problems in the future if not fixed. It starts at idle ~800 rpm and gets worse on up to ~3000 rpm where it goes away, only to come back when the engine falls back to idle. Apr 30, 2022 · The correct name for the belt is a serpentine belt, but many people call it an alternator belt since the alternator is one of the biggest components it drives. It stopped after about 10-15 minutes so I didn't think anything of it, since new belts are known to squeal sometimes. Bad alternator bearings, rectifiers, rotor shaft, stator winding, slip rings, brushes and other parts inside the alternator with mechanical or electrical problems can become noisy. If that belt is worn off, the alternator will start producing some rather unpleasant sounds. If it’s producing a voltage level in the 13’s, go ahead and take it into a parts store and have it tested. At idle and low rpm’s it’s very noticeable. probably the 2 most common noises after an alternator replacement would be a whining (from alternator) or a squealing from improper belt tension. Oct 5, 2013 · So like a numpty I degreased the engine of the car yesterday (ZD30) and now my alternator is squealing it's box off. g. . The squeal has been eliminated. 0 GLS 2010. I’ve gotten the alternator belt replaced (the previous one was in good shape actually) and now it mainly makes the noise when I accelerate. Has anyone encounter this issue? Could it be the new alternator or do i need to replace the tensioner (can it be replaced?) Thank you, Jul 4, 2024 · A squealing noise: The alternator may squeal if it’s low on fluid. Also if you're buying low quality belts. From the looks of my belt, they are brand new. Before going into what can cause engine squealing if it’s not the belt, it’s important to mention that it can squeal in many different ways, even if it’s new. Replaced the alternator in this 2011 Corolla. :thumb:Now I have loud static and whining on all radio channels Mar 1, 2020 · 2007 Forester Sports XT (Current) 2006 Forester X L. If you’ve determined that your alternator is failing, it’s time to replace it. Now I have a squeal when you push on the gas. The engine is noticeably quieter, now, as even through the squeaking had stopped the belt was apparently still Aug 16, 2023 · Once you have replaced your alternator belt and drive home, you sigh in relief. My power steering pump began to squeal a few months ago and progressively increased in volume. Oct 11, 2021 · As the subject line states, now there is a squeaking sound. Then if I stop at a light they start squealing again until I reach about 20mps. Besides, lack of lubrication may cause the bearings to overheat, wearing them out faster. When you say "belts" Ill assume your Optima has the 2. Figured I***8217;d Oct 19, 2009 · The initial cranking in the morning causes the alternator belt to really squeal. Jan 24, 2021 · I replaced the alternator belt but it’s squealing ver loudly also, my battery is dead and when I jump the car and remove the jumper cables the car just turns off. The reason it's worse when you turn is because your a putting more load on the belt through the power steering causing it to squeal more. Feb 23, 2010 · If you hear a squeaking, squealing, or an irritating noise coming from your vehicle as it runs, it could be from your alternator pulley. But if you really listen, you may be able to determine whether it’s chirping or squealing. Came to conclusion that it was serpentine belt so got a new one. Some engines use more than one belt, but it’s easier to maintain and replace the serpentine belt than those in the older V-belt systems. What could the squeaking be and how much would it be to fix it? Nov 17, 2018 · For example, in this car, in the photo, an alternator and a belt have been replaced while on a trip, a few weeks ago. If you did not install a new belt, I would do that first. The pulley could be better but I have never had this problem before. Ideas? Just replace them both? How long till squeal equals death because if I don't have to Aug 5, 2022 · Might be a problem with belt that drives the alternator , either too loose, too tight, or worn out. Hasn't done it in 2 days but few days ago it wouldn't stop. The pulley on mine spun on the shaft, this allowed it to move back into the alternator and rub causing a squeal. If it’s a problem with the battery, it will continue to run. I then replaced the alternator belt with another Dayco that was a little shorter, so it took care of the problem. If it’s squealing or making a high-pitched sound, it’s likely slipping on one of the accessory pullies due to misalignment or the belt is indicating it is worn out. Nov 15, 2022 · If it’s reading lower than that, the alternator is not charging properly. Sep 26, 2022 · If your alternator belt is squealing after replacement, it is most likely due to a failing or bad hydraulic belt tensioner. Nov 25, 2012 · Ive been having a problem with my belt squealing. I would also buy a can of belt conditioner and spray it on and see if the squeal goes away (or at least changes tones). Anyone know if this is normal. now I get considerably less fuel mileage and the alternator Sep 1, 2023 · There are several reasons why an alternator belt may squeal after replacement. Hello everybody, hoping you might be able to help with something. Aug 14, 2022 · I recently just purchased an '04 Highlander V6 with about 117 thousand miles on it. I want to sell the van, but I can't sell it with it squeaking like this. 9L converted to an offy with 390 Holley and DUI ignition My alternator is squealing like crazy. I have it out of the car and half apart question is; can the bearings be replaced or do you need a special tool to remove the front pulley? Aug 17, 2009 · Hi A couple of weeks ago my alternator started squealing. Check the state of the belt, and if it is worn off, simply replace it with a new belt, and make sure to properly mount and tighten it. I know this isn’t directly related to the alternator, but people often call the serpentine belt the I just replaced the battery and alternator on my 2013 Tahoe. When that happens, you may need to replace the bearing, alternator, or pulley. It's misalignment in belt run. Your serpentine belt should not make a lot of noise while the engine is running. Instructions on replacement and adding tension Mar 2, 2022 · It sounds like a belt especially since your amperage is fluctuating on your gauge. I hate it when a repair shop can't fix a simple problem the first time and you have to keep taking it back over and over. Everything was fine on my first drive (10 minutes), but then when I drove home, I heard squealing coming from my car. I have tightened this bolt and it is not on the bracket anymore but is still loose. I get new alternator. 6v and falls down to 12. Is the belt too tight or too loose? I think it is the alternator itself. I've replaced the idler pulley as well as the tensioner pulley and there is still a squeal. The new alternator is making a whistling noise kinda sounds like a supercharger. Nov 15, 2006 · It's back. A faulty serpentine belt is one of the major reasons why your car starts to squeal just after you start your car or while it’s warming up. i had this problem about six The alternator is responsible for all of the electrical power that is used by the vehicle when it is being driven. Any lubricant or "treatment" that promotes belt slipping is BAD. Faulty Serpentine Belt. Still squealing at start up until I get to about 20mph. 4v Feb 21, 2016 · Your belt that run's across the AC compressor pulley also drives your alternator and power steering. My only concern is that something fails catastrophically. Alternator was hot after running less than 5 minutes and smelled "burnt". This happened when I started it, but not all the way home, and I thought I potentially felt a bit of sputtering, but I am not so sure now. It does not squeal all the time. Here's a test you can do: Use a length of vacuum hose to listen for alternator noises. At 99,000 miles (July 2016) I tightened the belt to the point where I broke the tensioning screw. Brushes and bearings can be replaced. Apr 19, 2021 · Replaced alternator and now something is squealing when I start the car. Any suggestions on how to get this tighter and why it is not as tight as the original? Thanks Belt is not glazed, it's riding in the grooves. Replace the Alternator Belt. Whether it’s a broken alternator bearing or a broken belt, you have to retrieve the piece and replace the broken parts. Mar 22, 2012 · It's very possible you got a remanufactured alternator with a bad bearing or even a slightly bent shaft. Listen for any whining, grinding, knocking, or squeaking sound. Replace broken parts. Feb 20, 2024 · #3 – Your Serpentine Belt Makes Squealing Noises. May 13, 2013 · My 03 325ci just started doing this same thing. Oct 5, 2007 · This lead me to the alternator, so I removed that belt, no squeal. Continuing to drive the car without repairing the problem often causes early failure of the replacement alternator due to a perpetually undercharged battery. Same Squeal. 7) back, there was a chirping noise when I shut the truck off, every time, sounded like it was coming from behind the radiator. Put the battery on a slow charge (charger). There is a squeak in the front of the engine. Nov 25, 2023 · Recently replaced alternator and then water pump. Stopped the squeaking for a while now it is squealing again. So, I replaced the newer alternator with a 110 Amp one, still the same problem. I have a 2002 Subaru Outback that I couldn't get to start. Sometimes squirting a little water on belt groves will identify a worn belt also. Apr 21, 2006 · The good thing is you can make the squealing sound come on, and it's not an intermittent problem. When I rev it gets faster until it eventually goes away, (I think) at higher rpm’s. Now a few days later it will always do a super loud squeal for about 6 seconds and then stop. Apr 2, 2015 · It's caused by the friction of the belt against the pulley. :/ Do I get a new battery now? A squealing alternator pulley is not only annoying, it indicates a problem with the car's belts or alternator. If it doesn't spin very smoothly or makes any noise then replace it. By the time of my appointment the distinctive chirping / squealing was gone but the serpentine belt was replaced due to the TSB. If you can't get hold of a charger, then you may be able to charge up the battery with the alternator but it may take hours of interstate driving without any elect. If the alternator belt squeals after replacement, it's even more unpleasant. There are a few different causes of alternator-bearing noise, so you’ll need to identify the cause before you can attempt any repairs. I just replaced the alternator in my truck and now it's squeaking. Your alternator’s correct output should be between 13. I replaced my alternator belt this weekend and now whenever I start the car I hear a high pitched squealing for about 30 seconds. I replaced the belt and adjusted the new belt's tension several times but it has no effect on the morning squeal! After about 30 second or so the squeal stops and its good for the rest of the day. Other symptoms of alternator squealing include an alternator belt that is loose, worn or damaged as well as Nov 19, 2009 · I replaced the factory alternator belt with a Dayco Cog belt and noticed that it was slightly longer. 5 EJ253 SOHC engine. Now I am getting more squeaking noise from that area and I do not know how to diagnose where the noise is coming from. Alternator belt replaced: squealing noise is now a whistle My 91 Miata has always had a squeal upon start but only happened for 15 seconds or so then went away. I have it on correctly as well. did my research and couldn’t find anything. The alternator belt tension should be between 93 lbs and 138 lbs (412-617 Newtons). The problem is belt slippage. I hear a squealing noise in a cold start in the morning and especially in winter and when it rains its more louder coming in the area of the alternator pulley for 5 to 15 seconds and it goes away. It’s going to absorb into the belt and lead to permanent damage. Crypto Jan 10, 2018 · There is a horrible belt squeal when my alternator is under increased load (headlights on, HVAC, etc). Oh well, time to put an O2 simm on her now. Customer Hi Jake. Dec 4, 2016 · I replaced my battery & alternator today and now I hear a squeaky sound coming from the tensioner or the new alternator. I put a reman alternator on my kids Jeep and it started to make a squeaking, chirping noise and couple of weeks later I replaced it and it's quiet now. It’s a continuous loop of rubber material reinforced with fibers or cords to provide strength and durability. Faulty Spark Plugs Nov 14, 2007 · I just replaced my alternator in my 1997 ford Ranger. I purchased a new pump and installed it, squealing immediatly and noticed power steering fluid oozing from the power steering pump casing where the pump is put together in two pieces from the factory. May 20, 2018 · 1983 - 2012 Ranger & B-Series - Squeal after I replaced a bad alternator. Replaced alternator, still makes noise. Squeaking happens when idling, and when driving sometimes goes away when i clutch in. A new belt is cheap enough to try. Jan 13, 2014 · Ok, this is driving me crazy. In some cases, it may be easy to differentiate between chirping and squealing. L. Your only way to get rid of the squealing is to replace the belt. Replaced water pump because it was cast incorrectly (pulley face was not square and the pulley wobbled), still squeals. Well. So what my plan was to go head and disconnect the positive terminal cable that was connected from the battery to the alternator so I can see if I can take away the high pitch whining noise and it did work. Mar 14, 2019 · A belt squeal would usually indicate a pulley that is either not turning at all (loud squeal) or a pulley that is turning slower than the belt (softer squeal) because of some undue resistance. the reason is when you turn the A/C on, more electric power is needed to run fans, and that puts more mechanical load on the alternator pulley. The hydraulic belt tensioner is responsible for keeping the alternator belt tight and in proper alignment. I just had my engine rebuilt and then the whole mess under the hood was put back together. If it still squeals, then something is definitely wrong with the alternator. If that doesn't stop it, then replace the A/C clutch assembly. sometimes stops at idle but when you start driving again it squeals bad. Belts are brand new, replaced less than a month ago to try and fix this same issue. We replaced it with a new alternator and now its having the same issues that it did when the last alternator was working and eventually went bad. I have it fairly nailed down to squealing at take off or sometimes at idle when the defrost is on and I switch the A/C on. Right now there is no squeal, but it's much looser than the Ps belt and the alternator pulley is still heating up. Mar 14, 2017 · Noise of that type is due to a failed or failing bearing in one of the pulleys or accessories (e. Dec 15, 2008 · 1991 Eagle Talon 2T TSI AWD. Mar 8, 2024 · Carefully inspect all component pulleys like air conditioning, power steering, alternator and harmonic balancer for wear or contamination from an old belt gunking up pulley grooves. ) I also replaced the idler tensioner with a new hydraulic one (the one there was also hydraulic). The past few days haven't been as cold as last week, and it hasn't done it at all! PS fluid is full, and doesn't seem to be going down. Oct 16, 2017 · 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - Alternator Squeal - 1986 F150 with a 4. That’s mainly Jun 9, 2019 · If it’s still showing in the 12’s, it’s time to replace the alternator. Sitll can't tell. Replacement Belt. I replaced the alternator as a mechanic told me the alternator was not keeping the battery charged. In an off chance, it could be the groove on the pulley is dirty or rough, causing friction in a specific area as the belt spins. It was doing this in Oct. Business, Economics, and Finance. Nov 14, 2013 · Stops the squeal, but promotes slipping, which will ruin the belt due to localized overheating of the rubber. Is this a sign the alternator is on its way out? Thanx for any Apr 4, 2023 · I have just replaced my timing belt/water pump/ 2 serpentine belts on Hyundai Elantra 2. Feb 16, 2021 · Hey all, within the last couple of days, I've started to notice an unusual sound coming from the alternator area in my 09 Rav4 Sport. Jan 7, 2023 · Sadly, you can’t easily clean off the coolant from the belt. It kind of changed after that, but is back to normal squeaking. I purchased the parts from AutoZone, it only squeaks at very little while idling. Another way to test the alternator is to start the car and then disconnect the positive battery terminal. Jun 4, 2024 · It is recommended to replace the alternator belt every 60,000 to 100,000 miles, depending on the vehicle’s make and model, to ensure optimal performance and prevent squealing. Aug 31, 2013 · The unit makes a squealing noise for a few seconds when first started, or when electrical accessories are turned on The alternator belt may be slipping Tighten the alternator belt using JDG529 - Belt Tension Gauge or similar gauge. I tightened it as far as it would go, but it still made noise. By the time I get to work the squealing has stopped even at lights. Is my drive belt lose stopping the alternator from creating the right voltage or is my alternator dead Nov 16, 2023 · 4. Jan 9, 2024 · If you’ve recently changed your alternator and are now experiencing a lack of power, there are several potential causes. The problem with replacement serpentine belts is that often they’re not built to the same standard as the original belt. Strange sounds. Do not use aftermarket or rebuilt one, most are rated at 120 amps. May 21, 2010 · The alternator does have a type of clutch, well my 2002 zd did. Have you replaced the alternator and now are still having the squealing issues? Nov 25, 2010 · Last week, I replaced the serpentine belt on my 2005 Nissan Altima (79,000+ miles) after starting it one cold morning and it made a squealing noise and the battery light came on. Jul 29, 2017 · Replaced my alternator now the belt is squealing, the noise is coming from the new belt just 1 day, 2005 toyota - Answered by a verified Toyota Mechanic We use cookies to give you the best possible experience on our website. replaced engine with a 08 with 5000 miles . Nissan won't pay for that on warranty, and if it's a customer repair, you get into additional labor time which can double the cost. Mar 31, 2009 · 1999 to 2016 Super Duty - Squeaking Alternator - Put a new alternator less than 20k miles ago on the Excursion (2000 PS Diesel). Apr 4, 2024 · Hi. I replaced my failed alternator with a remanufactured one from Champion (90amps), plus new rib belt. Now, assuming that the alternator was producing over 14 volts, go ahead and turn on the headlights, air conditioner, radio, and any Jun 23, 2003 · yeah mine is exactly the same but i think it is 10 times worse. It’s happening after replacing the alternator because the position of the alternator has changed (the tightness on the belt) It wasn’t sorted out because the shop you had your car repaired at didn’t “dot their i’s and cross their t’s” Jan 22, 2022 · One of the most frustrating things about replacing your old, squealing brakes is having your new brakes make the same squealing or squeaking noise. The install went without a hitch!:thumb:Alternator is taking full load with no squealing. Most car owners only replace their brakes when they start to make noise, so once the newly replaced brakes begin to make a squeaking noise, many return back to the dealership to have them looked at. The type of noise can tell you a lot about what’s wrong with the serpentine belt. This past weekend I replaced the alternator and serpentine belt on my 2013 Toyota Corolla. there are two serpentine belts in my car - One is solely for the alternator, and one is for the power steering, air conditioning, water pump, etc. If the belt is installed properly and the tensioner looks good, I'd replace the belt. Dec 9, 2021 · This points to two bearings: Either A/C compressor clutch bearing or alternator bearing. This means it’s either toward the front of the vehicle or, if the car uses a transversely mounted engine, on the side. Alternators are driven by the engine's serpentine belt or V belt to generate power for the radio, lighting, and on-board computer systems on your vehicle, but also provide power to the battery so that it is fully charged and ready to start your vehicle next time. It's about 20 miles to work- mostly interstate. After hearing the sq … read more Oct 6, 2009 · I just replaced my serpentine belt about two weeks ago because it had cracks on it. It’s probably bad. It sounds like it is coming from another bearing, but that is just a guess. Jun 21, 2023 · Updated on June 21, 2023. Tighten Pulleys. It wouldn’t keep the car running when we jump started it. No squeal. The alternator is the midline from autozone. It's really off and on though. If your alternator or serpentine belt is damaged, you may notice the following symptoms: Bad Alternator Belt Symptoms Squealing Belt Noises Jun 30, 2005 · And now the squeal seems to be getting longer and more pronounced. I can only assume it's there as a fail safe if the alternator seizes. Any suggestions to fixing this problem? Oct 14, 2014 · The shop tried chalk. use, radio, ac, etc. The squealing went away til about a month ago, and now its a much longer and noisier squeal. Last week I decided to replace the A/C clutch pulley bearing. Reasons for belt squeal. Cold start that goes away. My alternator and battery were replaced at 35,000 miles and the car died OUT OF THE BLUE when I was at school one day but I got a jump and made it home, but a week before it happened I noticed the alternator was making a weird noise but I payed no mind to it. Just replaced both serpentine belts in my car, was not running into any kind of squealing before, but had not replaced the belts yet and the car was up to 90k miles. Additionally, you may want to check the battery for any issues such as low charge or corrosion. Now, this is Nov 15, 2023 · The serpentine belt rides the pulleys on the front of the engine. Now, such squeal I normally had on water pumps that go bad soon. A knocking noise means something broke off and it’s now spinning around, so get your alternator checked to see what the piece is and what needs to be replaced. Oct 6, 2021 · alternator belt is the most common cause of this squealing noise. the squeal deffinatly gets worse as i increase rpms. It was fine until the belt stretched and started squealing. 1 and 16. The noise sounds like squeaking at first. Visible misalignment: If the alternator belt appears loose, damaged, or not properly aligned on the pulleys, it may signify a tension or alignment issue. If you feel like you havent had enough frustration then this is a good project for you. Jul 27, 2021 · It definitely could be the alternator since it could be drawing more power when you turn the AC on but usually the alternator isn't so much of a squealing sound but more of a humming or whining noise. In other cases, it’s Jul 26, 2022 · The squeak is caused by the bearings drying out. I tensioned both belts to what I thought was about right, they’re both tightened with wing nuts, and now the car is making some squealing as I idle and drive around. It looks how it did before I replaced it, except now it's a new belt. recently replaced my alternator belt, the first start after I replaced it it squealed for a few seconds so I tightened it enough to where it was barely there. Alternator squeal, down 4mpg. May 22, 2022 · I had noticed that my positive terminal cable was connected to the back of the alternator and I was hearing the high pitch whining noise. This squealing noise is primarily because of an awful serpentine belt. Mar 8, 2009 · We may earn a commission for products purchased through links on this page Sep 16, 2022 · 4. After I hit around 90k miles the noise got louder and would continue while I was driving, the only time it would go away was when the clutch was in (replaced the entire clutch at 79k Aug 23, 2015 · Installed new Bando drive belts the other day. Intermittent probles are very difficult to troubleshoot. It’s important to first ensure that the alternator installation was performed correctly and that all connections are secure. It has a Feb 19, 2018 · Hey, I have a 2003 Toyota Highlander with a V6 engine and I recently replaced the alternator, but pretty soon after I put in the alternator, the serpentine belt started squeaking. It becomes more annoying if the alternator belt squeals after replacement. Jun 30, 2011 · Okay so there has been a loud squeaking noise coming from what seems to be the alternator belt. Questions, discussions, and showing off your ride are all allowed! Dec 6, 2023 · If a car makes a squealing noise after the alternator has been replaced, it often needs the serpentine belt or belt tensioner replaced. When I got the truck (04 Dodge Ram 1500 5. Symptoms of Alternator Squealing. I took the belt off thinking it may be time for new idler pulleys, but lo and behold it is the relatively new alternator making that noise, even Jan 24, 2021 · I replaced the alternator belt but it’s squealing ver loudly also, my battery is dead and when I jump the car and remove the jumper cables the car just turns off. Feb 16, 2019 · I'm pretty certain it's my alternator now. Do the belt first, then move on from there. It's had alternator issues for a while (dimming lights when turning the heat on or turning the wheel too hard, and a squealing noise for a couple minutes when I'd first start the car). Now. Nov 1, 2008 · Started this summer as just a quick squeal, but only when I started up with the AC left on. the belt looks fine and has no sign of wear. Here's the kicker. there is evan a thread on doing this project. After that it goes away completely, unless I turn on my headlights or AC, then same story with the high revs. I replaced my alternator yesterday which involved removing and reinstalling both accessory belts (thin one for the power steering and thicker one for the alternator/ac compressor). Dec 11, 2006 · If your alternator is one of the ones that is liquid cooled, then it's possible homey got Dex all over it. 4L, since the 2. If the engine dies, the alternator is not working properly. They apparently tried to tighten the alternator belt without loosening the alternator, thus bending the $#@! out of the adjustment screw. Squeaking Alternator Belt. Now it squeals when I am in a low gear. Upon closer inspection, we found that the alternator was loose and shifted under angle. Start the vehicle, attach your voltmeter, and reconnect the negative battery terminal. - I recently swapped out a bad alternator on a 2000 for ranger with a 3. :badidea: Seems that I have killed the bearings/s. Here is everything I know, I’m hoping someone can help me solve this problem or tell me what is possibly wrong. Can environmental factors contribute to belt squealing? Sep 20, 2013 · The squeal continued as I tried to tighten the belt more and more. The belt is squealing. Alternator replaced- I just changed my alternator yesterday but now I get this squeaking noise that doesn’t stop. Regardless of what it drives, the belt won’t last forever, and you’ll have to replace it sooner or later. 07 tundra with 110000 miles dropped a valve and took engine out. The hose will amplify the noise if it's coming from the alternator. 4I engine. But if tou have replaced the alternator thats not it. 5L , with traditional V-belts, a new alternator pulley fixed the squealing. On the new alternator. The problem even goes as far as to affect OE replacements, so you have to be really careful when buying a replacement. Not only that, their techs aren't trained to do internal repairs on starters or alternators. Recently my alternator stopped working. it has come off twice now, this morning actually so its in getting looked at over night coz it is extremely loud and does it for ages when turning nearly every corner and everytime i start it up. Now the belt squeaks. , alternator, water pump, A/C compressor) that is driven by the serpentine belt, the belt is not properly tensioned, or the rotating pulleys driven by the belt are not all in the same plane. Jul 21, 2009 · April: replaced alternator April: replaced battery May: replaced fuse on starter solenoid. Mar 13, 2024 · Could be the old failing alternator wasn't charging the battery enough. More often, the belt is not tightened properly if it was recently replaced. Identifying The Noise. I would start by replacing the alternator with a new 150 amp Denso alternator (about $250). It has the older Delco alternator, and with a winch, it gets a pretty severe work out. The alternator has a belt attached to it which rotates its rotor and thus creates electricity. After drives I have noticed a rubber smell. 2009 to 2011 model years are all the same. This caused the alternator pulley to be misaligned with the belt, so the belt was squealing and wearing out faster. Oct 4, 2019 · The serpentine belt should route around the alternator approximately 270 degrees. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. Didn't work. The noise only used to appear when I started the car but would go away within about 30 seconds. I have a 1990 Plymouth Sundance n/a, recently replaced the alternator belt because it would squeal bad when the a/c compressor would kick in so I went to Autozone and got a new belt. Extremely cold weather makes the belt brittle and ineffective, even if it’s a new one. 5 volts. So I had the belt replaced and at first it fixed the issue but now it's squealing again on cold start ups, not all the time every now and than. Pulled off the belt and the alternator bearing seems grindy. If the noise goes away it's the belt, if it's still there it's something else. This will cause the belt to squeal when the engine is started. Feb 22, 2022 · 2009 Subaru Legacy 2. I found out a bad rear O2 sensor is causing my erratic idle. Think it's the tensioner pulley but it's hard to know. The last time it went in, the dealer said it might be the alternator bearing (that was mentioned earlier). I'm worried I have too much tension on the belt. I replaced the alternator yesterday, still have the same issue. New belt solved the problem for 200 miles and now it's chirping/squealing again from idle on up just like it did before. Nov 30, 2018 · Hello! I have a 2006 Suzuki XL7. Tried the "carefully put a piece of wood on the pulley and listen" trick - nope. When this happens as you press the gas pedal and the belt goes from a relatively low speed (at idle or when first starting the car, no speed at all) to a much higher speed as the engine accelerates, this can cause the belts to squeak. i tried putting WD-40 on all the pulley bearings and it only made it worse, i did get a bit of WD-40 on the belt by accident. Nov 28, 2010 · Is the belt running slightly off the pulley. If there are no visible signs that your alternator is going bad, you’re bound to hear some strange noises. 7 only has one belt. Jan 30, 2007 · I sprayed WD-40 into the bearing for the alternator (Not on the belt) and it quieted it down. It isn't a loud squeal, such as with a loose belt, it's more of a light squealing/grinding sort of sound. Hold one end to your ear, hold the other to where you think the noise is coming from, in this case, near the alternator. It could be due to a misaligned pulley or tensioner, a worn-out tensioner, or an over-tightened or loose belt. I think it is up to me to fix the issue since the mechanic did the job I asked of him: install the alternator. Feb 4, 2024 · I recently replaced my tensioner/pulley as it was making a lot of squeaky/squealing noise, and it worked. A grinding noise: The alternator may also make a grinding noise if it’s low on fluid. I have replaced the alt, and the belts. Serpentine is the one squealing. At least I have a new idler, tensioner, alternator, and tensioner pulley from the attempt to solve the squeal. Jun 26, 2023 · In newer vehicles, it’s been replaced by a serpentine belt that drives multiple units throughout the vehicle, including the alternator, power steering pump, water pump, and air pulleys. According to Gates, one of the largest producers of drive belts in the world, low belt tension is the main reason for squealing belts. Is my drive belt lose stopping the alternator from creating the right voltage or is my alternator dead This sub is about the Chevy s10 Family which includes, Chevy LUV, Jimmy, s10, s15, Gmc Sonoma, Olds Bravada, Isuzu Hombre, and Blazer. About a week after I got a loud squealing noise from the engine on cold start ups, after a few seconds it went away. This is why you may notice that your belt makes squealing sounds on very cold mornings but sounds just fine when the sun comes up or during warm weather. You have a serpentine belt, so the ac power steering and alternator are run off the same belt. Bean (traded), 2009 Forester XT Premium (traded), 2014 Forester X Touring (traded), 2017 Forester XT Touring (traded) Dec 16, 2022 · Alternator bearing noise can be a very annoying problem, but fortunately, it’s usually not too difficult to fix. While this is a common occurrence, you should understand what’s happening. I tried to tighten up the tensioner report and that didn’t help. 4v on battery and the alternator when ac and headlights are on, but the lights flicker like it wants to shut off. Dec 15, 2015 · An easy way to find out is to pop the belt off and spin the tensioner pulley. I changed both belts myself with aftermarkets from Advanced Auto. I've seen them wear from a "V" groove to a "U" groove. You can check the belt itself by hitting it with a quick spray of WD-40 or the like while running. This sound is produced due to the alternator spinning at a high speed, causing the belt to rub against other parts of the engine. I can tell when I view it from underneath it it seated properly. Took it back- they changed the belts again. Read full answer Jan 03, 2018 • 2004 Nissan Pathfinder Jul 11, 2011 · It could very well be the alternator or something in the electrical system putting a very large draw on the alternator and making it slip the belt. The good news is once the alternator has been taken off the car and the case opened, the bearings are very cheap to replace. Alternator had been replaced when I got the car, bysomebody. Mar 12, 2006 · The headlight dim, the alternator makes a humming/squeaking noise. really odd. I've pulled the autozone tensioner and idler and belt and replaced them all with napa parts. Then, unfortunately, you hear this annoying squealing that gets worse as the car idles on the way home. If it sounds more like a whining noise there is a very good chance it is your alternator but if its squealing I kind of doubt it. The squealing doesn't seem correlated to electrical load, or steering. Had all these tested once again to make sure I wasn't sold a bad part June: replaced belt on alternator and power steering Oct 7, 2021 · Normally would go away after a while of being on (I’ve noticed normally after the temp gauge went normal after being cold). I took it back to the mechanic and he sprayed a bunch of brake clean on the belt, but it still squeaks. If it's very cold, or very wet, it's seems the worst, and if I gave it gas, it would get bad, then diminish somewhat at idle. it gradually got worse until (luckily) just as i pulled into the mechanic's street the pulley completely fell off the bloody thing - popped off the end of the spline - crash, whine etc, smell of rubber as belt is chewed up Sep 13, 2017 · The squeal is coming from the alternator belt, When the temp is low, the belt is hard and glazed and lost its ability to create friction. LOOK at the alternator pulley. When I turn off AC it goes down to 12. If alternator, it is probablly due for a rebuild. It was a pretty easy fix. Apr 28, 2018 · Alternator belt began squealing. You may also get a burning smell or a dash warning light indicating a fault with the charging system.
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