Belt noise goes away when warm. This is because the belt is stiff and brittle.
Belt noise goes away when warm It seems to go away when it warms up. Apr 12, 2013 · It only makes noise for about the first 20minutes of driving then it goes away and there is no more squeal and the car is fine for the rest of the day? I made sure the belt tensioner was tight and it is. Local shop heard it, popped off the belt, and by golly if the noise didn't immediately clear. Valve noise Because the noise goes away as the vehicle warms up I am inclined to believe that whatever is making the noise is being "lubricated" by warm oil and subsiding. This noise usually goes away as the engine warms up. do yall have any advice to what it could be. The oil has had enough time to lubricate the noisy bearing. BMW M2 Forum > BMW M2 Competition Model > squeaky belt + cold engine: Normal or Trouble? Is it OK to drive with a squeaky belt? belt noise goes away when warm car squeaks until warmed up, belt squeal goes away when accelerating,serpentine belt squeal on startup Nov 1, 2016 · 2. Moisture and condensation on the belt are causing it to slip and create noise. 4l 140hp) s60 2. The reason it goes away has nothing to to with the engine getting warmed up but that the alternator is needing less force since the battery is fully charged. The car does not do it when it's cold. It only happens when we start-up, never while we are driving and it goes away pretty quickly. goes away after a minute or two when its warmed up. If it is a bearing, pulling the main belt off will make the noise go away because there is no tension on any bearings in the loop. Any of you guys experiencing same issue? What did you do? My engine is making a whistling noise on cold starts. What other pulleys besides the A/C pulleys Nov 15, 2019 · Mine did the same several years ago. However, the noise goes away because the engine is running after about 30 to 60 seconds. It can also be caused by something less mechanical, such as exposure to coolant or simply from the cold weather. Archived post. Masking the sound, whether it's by grabbing some spray or turning the stereo up, will not only keep you from addressing the underlying issue, but could actually make the problem worse Sep 24, 2023 · However, once the engine warms up and reaches its normal operating temperature, this noise will go away. There is a high pitched squeak noise when I start the car cold. But after it's been running for about 60 seconds it starts. . The whistling pitch gets higher as rpms go up. Jan 7, 2023 · Serpentine Belt Noise Causes Squealing serpentine belt noise can be caused by a worn-out belt, a bad tensioner, or a stuck pulley or bad idler pulley. Jul 6, 2022 · Like it's a front crankshaft seal even if it isn't leaking oil it is sucking air. Belts become hard and less flexible when they are cold. If the noise goes away, you know thats whats causing your noise. Nov 4, 2025 · To state the obvious, the noise isn't the problem. Belt chirp that gets faster with engine rpm is usually due to pulley misalignment, worn pulleys, worn belt ribs, contamination NEED HELP PLEASE !! ( Why is my car squealing everytime I start it for ab a minute?) I had to replace the timing belt twice in 8 months (08 Elantra! Perhaps it is starting to go bad. I applied belt dressing and it does not go away. I saw on the NHSTA site that there's a recall (22-NA-128) that states the 6. I drove for another 30k-40k miles until it was time to replace the timing belt, then replaced the serpentine belt at that time. This is because the belt is stiff and brittle. Jun 7, 2013 · I got it last November. I've had my local shop replace the belt and the tensioner which helped for a day or two before it returned. Does the Noise Go Away After Warming Up? In cold weather climates, a serpentine belt may squeal on unusually cold days. The belts in your car are made of rubber, and with use, they can crack or become Feb 21, 2010 · Belt? squeals when cold. Reasons for Engine Belt Noise Besides normal wear and tear, any defective component in a drive belt system can cause belt noise or premature wear. I found that by depresssing the belt tensioner with my thumb just a bit, the squeal goes away. This is because as the rubber in the belt expands when exposed to heat it becomes more pliable and creates less friction against other components such as idlers or tensioners. Dec 30, 2011 · It only is present when engine is cold then goes completely away when engine is warmed up after driving it. Oct 7, 2021 · If your belt squeaks when you turn on the car and the noise goes away when the engine warms up, then you shouldn’t be worrying. When you grab the clutch and drop it into first or second noise goes away. Mar 4, 2023 · A squealing belt is a common issue but easy to handle. May make a chirp sound but should not go away if bad. As mentioned before cycling the AC on/off makes no difference. I'm pretty sure its the belt and not The water spray test suggests misaligned pulleys (noise go away IMMEDIATELY after squirting water on them) but that leaves me wondering why the noise comes up only on very cold mornings? Should not misaligned pulleys make a noise regardless of the temperature? Perhaps there's something to do with the alternator load?. Lately I have getting squeak noise in cold weather for like 10 min or so and then it goes away once engine is warm. After a squirt the noise went away. When they do, they might make a squealing or ticking noise when you start the car. Nov 11, 2017 · So our jeep started squealing when we first start it up, then it goes away in a second or two. com - View topic - Noise from aux belt goes away when warm Aug 28, 2024 · A guide to identifying and fixing the sounds your car makes If your vehicle makes an unfamiliar noise when you start the engine, you may be worrying that something is seriously wrong. The belts will slip over the surface of the pulley causing a squeal. I put a new gatorback belt on and the problem went away for a few months. when its warm outside it never makes the noise. Dec 13, 2016 · My serpentine belt squeaks for a minute or two after startup. Still have the same problem. Pushing down the gas pedal probably raises the engine noise and drowns out the other noise. Dec 12, 2005 · Hi, About 2 weeks ago, I started noticing a bad "grinding" noise. Oct 17, 2009 · Love the car, no real issues to speak of; other than I seem to have some kind of weird "chirp" or noisy belt when the car gets warm. what could it be ? Aug 27, 2013 · Diagnose Serpentine Belt Noise Like a Pro The Top Causes of Serpentine Belt Noise As an automotive expert, I’ve spent years tracking down the real causes of belt noise in engines. If the squeaking noise persists, the serpentine belt is the cause of the squeaking noise. I went out this AM to isolate the pulley, but the car is dead quiet now. It’s coming from the pulley side of the engine. Shortly after, the belt started to squeak when the engine was cold, and it was a bit worse if there was moisture in the air. The squeaking while turning left made me wonder if it’s a stuck caliper. Jan 26, 2018 · C6 Corvette General Discussion - C6 belt squeak - Hello everyone, I have 2006 c6 with ~117k miles ,all miles put by me. This makes it run smoother and quieter, so the rattling noise it makes at startup begins to fade off shortly after that. A properly functioning serpentine belt should run quietly while powering your alternator, power steering pump, A/C compressor, and water pump. 0 v6 I’ve been getting this loud and annoying buzz saw like rattling noise on cold start. On cold mornings, the belts are not as soft and "sticky" as the are when it is warmer. It does not reappear until the next completely cold start. Jul 4, 2010 · At idle when warm I was hearing a very light chirp. com - View topic - Noise from aux belt goes away when warm Aug 19, 2014 · My 2011 GC hemi that I just purchased (35k miles) has a fast ticking noise when I cold start it. Oct 4, 2022 · Grab a spray bottle and spray water on the rotating belt. I have replaced the belt tension pulley over a year ago. The cause of this Hear that chirping noise on this cold start that goes away as it warms up? And then there’s like some kind of belt Jan 24, 2007 · The squeal you are hearing is the belt slipping in the pulley. So, let’s figure out the possible causes of the squeaking noise and how to fix the problems. Why does the belt squeal on cold startup? Let’s click this post for the main reasons! Hello, my 1. When the vehicle gets completely heated pull the dipstick in the noise will go away I just had mine fixed the other day by a local mechanic and charged me $110 car runs fine now. I have tried a little belt dressing on it, and while it definitely silences it for a bit, the squeal is back at the next cold start. Oct 2, 2007 · Squeal from serpentine belt I have been been having a high pitch noise when i park my vehicle after driving. It may not be the tensioner at fault but just the belt having gotten a slippery glaze on it contact surface. Until the engine warms up and causes the substance to evaporate, the affected, loosened belt will slip a little, causing a squeaking sound. It’s even worse when the noise goes away after a few seconds and you’re left wondering what it was. This slipping creates a squealing noise when the vehicle is first started and quickly goes away after it warms up. Anyone have similar Nov 16, 2015 · A couple weeks back I get a belt squeal that was obliviously from old, worn belt so I relplaced it. I don't recall it making that noise before so this is a new development. Nov 18, 2004 · I'm definetly not a mechanic, but if I had to guess I'd say that the tension on your belt might be set too tight and once your belt warms up and stretches out the noise goes away. This can be resolved by adjusting the contact points of all the pulley wheels at the same depth. The noise is there when bike is hot or cold. Jun 25, 2024 · Discover why your dryer squeaks until it warms up! Uncover the essential troubleshooting tips, maintenance advice, and recommendations from this article to keep your dryer in top condition. Many posts about the timing chain tensioner but its my belief that a faulty tensioner would make noise whether the engine is cold or hot, when in park or in gear, no difference. It's a symptom of the problem. Timing belt tensioner 3. I used to have the noise even in the summer when started but i replaced the idler pulley and put on a new belt (gates) and seemed to fix it. If it idles for 30 seconds or so, it completely goes away. Mar 24, 2023 · If the noise goes away immediately and then slowly returns it can indicate a pulley may be out of alignment, if when spray water the belt begins squealing louder, it often means there is not enough tension on the belt. how do I tell if its the belt or water pump bearing? fullfatrr. May 16, 2019 · As per title - after engine is thoroughly warm from a long drive of over 30 minutes I get a squeal that sounds like belt squeal, but while it is very high pitched, it is not loud. it goes away once it warms up. A squealing or chirping engine belt often signals misalignment, worn pulleys, a weak tensioner, or some form of contamination. May 21, 2018 · Are you sure it is not a belt slipping? Have you checked the condition of the belts? Pulley's generally will not squeal. Then I go two more blocks, make a left turn onto an even busier street, where it squeaks LOUDLY while turning left. Apr 23, 2008 · I have the exact same problem, but on a 97 Plymouth Voyager minivan. If the noise goes away though, you've probably got Jan 10, 2023 · 2002 eclipse convertible 3. now me second owner ive put 20k miles on it but at around 30k miles in the morning when its cold it sounds like a belt is going bad just squeaks untill car is warmed up and it goes away. When I shift to reverse, the the pitch of the tick changesit seems a bit lower in Mar 16, 2023 · A quick way to see if its a belt is to take a bar of soap and touch it on the belt as its running. but well concealed by the otherwise normal engine noise. Any ideas if it's the tensioner o r belt any hints to Changi g it thanks Mar 28, 2025 · I just don’t understand how the belt noise completely goes away after the engine warms up a little bit. There is no check engine light, no other issues or loss of power, the truck runs great before the noise and after. Now thats its cold out after a rain or a cold morning i get a annoying chirp. 2 liter has these exact issues. Once you hit about 800-900 RPMs, it completely goes away. It used to go away after warm up but now it doesn’t go away at all. The noise goes away when I give it some gas or put a load on it it, but the noise is very loud as the rpms are coming back down. is a new belt and it seems to have started after i got it wet. Learn when to tackle the issue yourself and when to seek expert assistance for a seamless laundry experience. I replaced the belt with one of those expensive poly v belts that are supposed to be quiet. Worn-out pulley belts could also cause it. Camshaft bearing/lifter 4. at idle and in 1st gear. It occurs when the belt that powers the accessories such as the air conditioning compressor, alternator, or power steering pump becomes loose and slips over the pulleys. May 11, 2024 · I’ll go with belt squeal for the win. Its not the belt, already tested it. Nov 12, 2015 · Maybe, just maybe, the noise the Jetta makes goes away because of better oil flow throughout the engine when hot. I have come to the conclusion that the Dayco belt may be the cause. I can't locate it to any particular accessory pully unfortunately. The noise will go away with the water spray if it’s a squeal, it will not if it’s a chirp. It happens around 90% of the time Oct 29, 2022 · fullfatrr. com If the squealing gets quieter significantly it is most likely a misaligned belt at that pulley. Misaligned Belt / Improper Tension – A belt that’s too loose or too tight, or that’s fallen out of alignment, will cause the belt to slip. I also installed a new Dayco belt about two weeks ago. IIRC, I might have given the belt another squirt during the 30k-40k. Like you, I replaced the idler pulley and the tensioner pulley, but no improvement. Belt squeal means a high-pitched shrieking that can increase in volume with engine speed, but the pitch stays the same. If the sound goes away, the noise comes from one of the pulleys. It sounds like somewhere within the timing belt cover or Oct 21, 2020 · Problem - the engine makes a belt-squeal type noise. The noise is only on cold starts and never during the day. Jul 3, 2010 · I have a 2004 ZO6 with 73,XXX miles. Car runs completely normal with no engine codes. For the past month or so, the squeaking is back and its getting worse, especially if there is any moisture in the air. Recently my truck had re developed a squeak that's different, so I pulled of the belt and spun the pulleys and found the tensioner pulley was kinda grinding so I replaced that, put it all back Feb 28, 2020 · If I place the car back in park, the noise goes away. It is only doing this when the engine is warm (driving for a while). After the truck is warm is seems to go away, but I still hear it when the auto start kicks in or when slowing down, but it seems to be gone at idle. Fortunately, this problem can be easily resolved by Aug 16, 2016 · It goes away. May 13, 2021 · If you hear a high-pitched noise that typically lasts several seconds and increases in volume as engine speed increases, you are dealing with a squeal, which is typically caused by a slip between the belt and pulleys. It goes away after it warms up but when the engine sits in the cold for a while, it starts making that noise. I can't find where it's coming from with the hood open. It becomes more annoying if the alternator belt squeals after replacement. I will find another brand (preferably a Gatorback Jul 10, 2024 · Belts in your car can wear out over time. New comments cannot be posted and votes cannot be cast. Once the belt warms up, it again engages the pulley and the squeal goes away. At first I wondered about the summer heat and the serpentine belt. I diagnosed the source of the noise by purchasing a can of CRC belt conditioner. Then, agian if you have an automatic belt tensioner pulley then it should be set right, right? Again, this is an uneducated guess. Listening closely it seems to be coming from the Guide pulley one. Belt dressing makes the noise go away, but only for a minute or two. Yesterday morning I touched the serpentine belt for like 10 sec with some soap (bad my serpentine belt makes this noise everytime on cold start and goes away after is warmed up. By the time I drive another six blocks, the noise is gone. Jun 25, 2015 · Now that I have had time to get in the shop and troubleshoot the thing, I've found that it makes the noise, more like a whirling or grinding noise, when in neutral with the clutch in or out. 4 Jump to Latest 771 views 14 replies 5 participants last post by precisionguesswork Jul 29, 2024 See full list on autovfix. Never did this in warm weather. Almost sounds like a bad bearing, belt tensioner or something Feb 18, 2018 · I have a 2012 edge sel with a v6 with 29k miles when I first start the car on a cold morning I hear a whining noise that goes away when warm. If noise gets louder: tensioner and/or belt is likely worn out. Oct 13, 2024 · Also, just like that video, loosening/removing the belt makes the chugging noise go away. I know the alternator is at higher demand on cold startup. This squealing noise is mostly caused by a bad serpentine belt. ByCarl Frisch Belt squeal when cold is a common issue typically encountered in vehicles. If noise does not change, it is most likely a bad pulley bearing. 1. Problems with the serpentine belt Your engine will behave like this in the morning when there’s a buildup of some condensation on either one of the pulley wheels or the serpentine belt overnight. Or it could be that the belt is going bad? The noise disappers when I put the vehicle in neutral. The noise occurs for approximately 3-5 minutes, and once the motor is completely warm, the noise is gone. But it only happens when the engine is idling. As the engine runs and warms up, the belts soften and the noise disappears. Jul 23, 2024 · Drive belt squeal/whine when engine is cold - goes away when warm (S60 -01 2. Completely. The belt is for sure slipping because every time I clean the pulleys, my rags come out black as well as the belt. If you hear a squealing or whirring noise in front of your car, whether the belt noise goes away when warm or not, it could be so annoying and embarrassing. The noise is kind of a Guy kept it in immaculate condition. I can only hear it in an enclosed area like a garage. Feb 11, 2023 · Engine Knock on Startup Then Goes Away If you’ve ever heard a knocking noise coming from your engine on startup, then you know it’s not a good feeling. Anybody have any ideas? It has me scratching my head because it goes away when the car warms up. May 7, 2011 · This cycle repeats until the engine warms up. Oct 8, 2024 · Here’s what you need to know about bad car sounds. 2 swift amt is making this whistling noise, once the engine warms up, noise goes away. The noise also goes away when engine warmed up. It was obviously coming from the Serpentine belt (which had been replaced about 3 months ago). mxxqfxgtrhxbblhevqfxsmgvyjmotjngpzsernstubjvdwpcwovoyxwjuwmhrbakaooxnzavfise