Belt noise falls into three categories; squealing, chirping and growling. If you hear a loud squeaking or chirping noise coming from your engine when you accelerate, odds are you need a new serpentine belt. WEAR AND MAINTENANCE. If it's a chirping noise, it's likely the timing belt chirp. I've learned to live with it, as it seems to be a design flaw. I recently realized it does the chirp when the air is not running, so I really started paying attention to when I was hearing it. When it's idling or decelerating under compression, there's a quiet high pitched chirping kind of noise - It only happens at these times and is fine when accelerating. I have found that the sound happens more when the car is under load (going up a hill). Squealing/chirping sound from engine More when acceleration but does it at idle too. Any mechanic can do this type of work, and there is no reason whatsoever to take a 9 year old car to a dealership for something of this nature. but it was audible). I have replaced the belt, belt tensioner, idler pulley, and pulled the alternator off and had it tested at Autozone, it passed and did not make a sound on their test bench. It can make this noise without doing that step, but that is the easiest way to replicate. - The chirping is not present when I am not moving but in gear. The more I press on the accelerator the faster the chirp goes. So finally I thought I had it figured out and replaced the two idler pulleys. Some engine belts only squeak after you go through a large puddle or if there is heavy moisture in the air, and others squeak constantly. Sometimes the squeal is a short chirp noise right when I let off the gas, and other times it is a drawn out noise while accelerating (video below has different clips of different times it happens). If the belt is to lose, it makes noise. It was rubbing on the side of the rear pulley. Cracks across the ribs are the most common indication of a belt that's simply at the end of its life span. I have been through two tensioners already and a ticket for chirping the tires which it wasn't. Just replacing the belt won’t do much good long term if you don’t take care of the leak. Belt noise A chirping noise that increases in frequency as the engine is revved up can be the result of belt vibration caused by misaligned pulleys – the leading cause of belt noise. Replied by wpatters1229 on topic v belt squeal only when accelerating or I see that but this engine does not have that. While we have seen great improvements in belt construction and longevity with EPDM rubber materials, the design of the spring-loaded automatic belt tensioner has remained largely unchanged. When I first start the car in park, I hear the chirp every once in awhile, but is not consistent. With no problems. If a belt problem still isn't solved after doing all of the above, your car may have a specific problem unique to that make and model. My Vision is due for its 5000 mile service and the last 1000 miles i notices an increased chirping and squeaking noise coming from the right side. remove belt to prove it. When accelerating at full throttle, auto transmission, the belt slips (makes a chirp noise) when changing gears. Of course this does not mean it is the A/C clutch pulley for sure. The belt had no signs of wear, but he replaced it since it was the cheapest place to start and the sound vanished. Cannot see anythingjust decided to ride it. When I start accelerating again, it starts again. I have a 2016 limited 3. Chirping/squeaking noise when accelerating? When I accelerate in my 1998 Honda Civic, I hear a chirping/squeaking noise coming from the engine, or at least from the front left side of the car. The belt looks gorgeous and new-like with the 15,000 miles, so I'm not confident it is the belt itself. It was rubbing on the side of the rear pulley. Squealing/chirping sound from engine More when acceleration but does it at idle too. Serpentine belt/ worn pulley bearings -no biggie 2. this started a week or so after the intake was - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. Belt noise falls into three categories; squealing, chirping and growling. It only lasts a few seconds and then stops as I pickup speed. If the harmonic balancer is starting to shift (rubber) it will wobble and cause a chirp as well. Doesn't sound like a loose belt to me, but this is the first mechanical glitch in the 12 years that I've owned this great car. General Scooter. I get a picture of the tires chirping as I accelerate away. Drive Belt Remove the accessory drive belt and start the engine. 0 has this annoying squeak/chirping sound when I accelerate. I definately noticed it was a lot harder to get the new belt on the engine and it was much tighter. It goes away once my truck is warm enough, but when I hit the road and hit the accelerator it does that chirp noise. I have tightened the belt and no changed of noise. Does it chirp when it shifts gears under hard acceleration? The belt could be good but the pretensioner might be weak letting the belt slip. A squealing or chirping sound from the engine area; Check engine light turns on; Vibrating or shaking; Loss in acceleration ; Sudden poor vehicle performance; Our knowledgeable technicians are experienced in belt replacement, belt repair, and hose repair. Anyone experience this weird sound. I can hear it during multiple speeds, anywhere from 40 km/h and up. My 2004 Expedition 5. My car is making this squealing or chirping noise when accelerating and goes away (not completely) when the car is warmed up. If i recall correctly, the chrip was noticeable during idling. can respond. Things I've noticed is: it doesn't do it when just accelerating (like at a stop light). Less frequently, it could point to a misalignment in the drive pulley of the water pump or another accessory. THEMIS (Time History of Events and Macroscale Interactions during Substorms) / ARTEMIS. When I would push the clutch in it would go away, and when I stopped accelerating and would coast in gear it seemed to diminish the squeek in proportion to the rpms. Belt still chirps like crickets when accelerating. com Car Forums!. Could you please advise what could it be? I have found that it might be a fan belt or cambelt but I'm a little bit out of funds at the moment so I can't even take my care for diagnostics and check it. Little rubber bands of rib, tufts of fiberglass reinforcing belt or disintegrating belt. The cruze has a normal chirp noise at idle. I noticed yesterday driving that i have a fairly substantial chirping noise coming which is notably louder when accelerating and fairly quiet when up to speed and non-existant really when idling. i would run some seafoam through your PCV valve. this started a week or so after the intake was - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. When you accelerate hard a long pulls the belt stretches and the tensioner continues to go down taking up that slack, when you let off it swings back up to again take up slack since the belt now isn't under load. If your belt is glazed on the outer edges (part that touches the clutch) it will squeal. 0L) and on cold start it was chirping. At first I thought that the plenum might have lost its seal but that wasnt the problem. Eventually as the bike get hot the sound is a lot less. IF YOU CONFIRM. Originally Posted by geekydad View Post My 2013 xct had developed what I believed to be a squeaky belt. Supercharger acceleration degrading and makes grinding, rattle sounds when it gets hot. If I press down on the valve cover a little, the noise seem to go away, but that's not 100% of the time. The reason it chirps or squeals when you accelerate is probably because it's following the rpm of the engine. It is coming from the engine belt/pulley side of the engine. It sounds like it is coming from the engine to me. Cracks across the ribs are the most common indication of a belt that's simply at the end of its life span. It also seems to not accelerate properly when the heat is on. It has been chirping all the way to its current 9600 milage. Chirp Fron Trans Or Intake? Common Questions & Troubleshooting. try cleaning it with soap and water, also clean all the pulleys with something like brake contact cleaner to remove all impacted rubber from it. It has to be exact. PROBABLE CAUSE The idler pulley mounting surface is tilted, causing the edge of the timing belt to rub against the side of the pulser flange on the drive pulley (gear). When the RPMs rise, due to the crankshaft pulley spinning faster, the belt is unable to slip because. A loose alternator belt may be the culprit. Looking for ideas on sleuthing an engine chirp in my '04 4. Only when accelerating in gear. Hello Guys I just got my car back from a Whipple Install and after driving around I get a very loud chirp or squeal when I let off the Throttle at high. It's not the tires, as replacing them hasn't caused any change. Chirping noise: 3 different shops cant diagnose. It's had all 3 belts replaced within the year, timing, serpentine and a/c. On the 2nd visit they disassembled the supercharger clutch and de-glazed the clutch surfaces. The fact that it goes away after about a mile of driving makes me scratch my head. Hey, There are a bunch of threads about gen1's belt squeaks and a ton of info widely available on the internet. They are a better belt and have less flex and. To offer submissions to editorial, contact editor Bruce Barton at [email protected] July 25, 2013, Los Alamos National Laboratory. I have had it in the shop and they don't think it is a bearing or belt issue. However, if I drive without the A/C on, the chirp is gone. When I accelerate, I get a chirping noise. When accelerating at full throttle, auto transmission, the belt slips (makes a chirp noise) when changing gears. My old explorer sort of did that but more of a chirp rather than a tick and it was the belt slipping. chirping (see Figure 1). RE: pulley squeal under acceleration? I have a squeal, or some sort of "rotational" noise coming from inside the engine bay, mostly heard under moderate to heavy acceleration. Now that we've had a week of 20s F temperatures I started getting a very quick but quite audible chirp / squeek from the engine compartment area everytime I accelerate or shift into a gear and let off the clutch. Stevo, check the Double Cardan joint on the front drive shaft also, mine was near to failing recently and made a noise only on acceleration that would best be described as similar to crickets chirping I origionally thought it was my serpentine belt slipping or perhaps one of the belt pulley's and only checked the Cardan Joint by chance. I took the belt off and noticed tiny bits of shiny gravel stuck in the ribs of the belt. Shut the engine off and check the tightness and condition of all the belts. Like Tork mentioned, it is a metallic chirping sound and it's heard only on acceleration. It is only present while the throttle is pressed while driving. But it will not do it when idling, or when revving the engine when stopped. Friction in the transmission system may cause whining noise when a car is accelerating. Tonight, I did experiment a little. Yesterday while driving home I started to notice a slight slip while lightly accelerating. Engine squeak/chirp when accelerating My '05 4. i have a 13 charger SRT and i have been noticing a faint chirping sound since a few months from the engine bay when im accelerating since a few days the. For the past couple weeks ive been getting a chirping noise from the engine compartmen. the power steering pulley moves forward and back from the block a little and im wondering if that can make the noise. Belt still chirps like crickets when accelerating. I read from another post to try soap. A worn or stretched out serpentine belt along with a malfunctioning tensioner are some of the problems that can develop with an air-conditioning drive belt. I changed the air filter and pcv valve last night. Squealing/chirping sound from engine More when acceleration but does it at idle too. When the RPMs rise, due to the crankshaft pulley spinning faster, the belt is unable to slip because. - The chirping is not present when I am not moving but in gear. When I give it a lot of gas the chirp will go away or get drowned out by the typical supercharger whine. ie is a discussion board with a wide range of forums, including - but not limited to - Soccer, Weather, Bargain Alerts, Fitness, Motors, Farming & Forestry, Cycling, Fashion & Appearance, Politics, Food & Drink, and everything in between. 2005 Prius, chirping when accelerating. 0 has this annoying squeak/chirping sound when I accelerate. And you can get rid of a minor belt chirp by holding a bar of soap against the side of the belt that contacts the pulleys for a few seconds while the engine is running. If your belt is glazed on the outer edges (part that touches the clutch) it will squeal. Belt was replaced but the chirp was still there. CORRECTIVE ACTION. I REALLY notice it, when I put the car in gear (Reverse or Drive). For the past couple weeks ive been getting a chirping noise from the engine compartmen. There are two distinctively different types of belt noise, "Chirp" and "Squeal". When I start accelerating again, it starts again. At first, I thought it was the accessory belt (belt has some cracks ), so that was replaced, but the noise is still present. I have done the water test and once water is sprayed the chirp goes away. If its chirping its excessively its a loose belt. Alright, so i did a power steering pump, and brand new belt, didn't squeak, tensioner gave out, did one of the 100 dollar dayco ones from advanced, worked great, then developed a squeak/chirp at idle, wot, light throttle. if it's still there, pull the lower covers and check for broken heads stud(s). It was rubbing on the side of the rear pulley. He replaced it. Any thoughts would be much appreciated before I ask the big guys to take a look. Update though I haven't got a chance to take the belt off, but I'm starting to think the issue may be what I was afraid of. Page 203 SAFETY In Automatic Locking Mode, the shoulder belt is automati- cally pre-locked. Serving Dodge Dakota enthusiasts with a free interactive site including a multitude of services such as photographs, links, message boards, free classified ads, mailing list, online chat forum, contests, and much more. Buick corporation you guys are the biggest ** of all. Make sure the timing belt cover isn't rubbing up against the belt itself. Also large amount of belt dust on hood by SC snout. This one is a 2012 Titanium with the none turbo engine. We didn't perform any testing other than the old "hit it with a hammer and see if it rattles" type of exhaust test, but a quick sawzall job took the cat off and it was clear. Finally got a local mechanic to put the new hose on. This is my second Expedition and I noticed a similar sound with a 2000 model. But from today it started to have the same kind of Squealing noise when I accelerate. Thinking the tensioner was worn (130k miles on the truck) as there was a lot of movement in it when the truck was running, I replayed the tensioner, tensioner pulley, idler pulley and fan belt (a Dayco fan belt). The pedal was to the floor with launch control when the chirp sound occurred. When I start accelerating again, it starts again. I have replaced both the idler and tension pulley because that is where it sounded like it was coming from but it still chirps. Changing the belt made the chirp go away for about 3 days but it's back again. Also large amount of belt dust on hood by SC snout. off at a light the sound of a chirp is ok! B. A screeching or squealing noise that occurs when pulling away from a stop normally indicates a lack of tension; check belt tension and automatic tensioners. sounds like belt squeal. It was rubbing on the side of the rear pulley. RE: pulley squeal under acceleration? I have a squeal, or some sort of "rotational" noise coming from inside the engine bay, mostly heard under moderate to heavy acceleration. If your timing belt is not properly tensioned it will not keep the valves timed properly to the lower end and this will cause misfires, loss of power, bucking, and could even cause a no start condition. 3) If all of the above steps are inconclusive, remove the serpentine belt(s), one at a time and start the engine after each belt is removed. No noticeable pattern based on weather although it seemed to be worse with cold/wet conditions. chirping sound when accelerating If this is your first visit, be sure to check out the FAQ by clicking the link above. A diesel has more abrupt power pulses so this can wear out the serpentine belt system faster than a gasser. 4 4x4 with a little over 100,000 miles on it. This bulletin announces a service part number change for the V-Belt (serpentine drive/accessory belt) applicable to the vehicles specified above. Finally got a local mechanic to put the new hose on. When I first start the car in park, I hear the chirp every once in awhile, but is not consistent. It has been chirping all the way to its current 9600 milage. They already tried belt dressing. Usually, chirping or squealing noises when accelerating indicate a slipped or loose belt. Generally, a worn cam lobe on this engine family will create a consistent chirp, squeak, squeal, or tick noise at camshaft speed and/or a misfire with a P0300-P0308 DTC. Serpentine belts are a great invention but unfortunately they drive everything on a modern engine which places a lot of load on them. It's a constant chirp chirp chirp chirp chirp chirp chirp, sounds like a very loud cricket. If the underside surface of a serpentine belt, or single accessory belt, shows a shiny glaze, it must be replaced. The main reason for the whining might be a loose belt, that runs over the power steering pump's pulley. The squeek can be intermittant when running idle. The fact that it goes away after about a mile of driving makes me scratch my head. If your engine belts squeak only when damp, you probably only need to have the belts adjusted. The belt may have gotten coolant on it and this will cause the chirp. changed belt, tensioner, water pump. Step 1 of 4: Start your car's engine. Our first thoughts would be the serpentine accessory drive belt and the. Forum discussion: One of my cars is a 96 Civic. What should I do? The chirping noise is getting really annoying and it get faster when I accelerate. Belt noise can also come when one of the pulleys the belt is riding on starts to fail. 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 allGuaranteed Hello Everyone, SWEET PROJECT CARS here with. It started back in June when I had to make a sharp U-turn. Serpentine belt/ worn pulley bearings -no biggie 2. The torque converter turns while the transmission is in park and neutral, therefore,. Common Transmission Warning Signs When you shift your car into drive, neutral, or reverse, if you’re hearing loud clunking noises, it’s possible the torque converter is the root of the trouble. A chirping sound may be coming from the lower timing belt area. it won't rattle in neutral but when i accelerate, it has a little chirp/tick to it. There's a bird chirping in my engine. Thought it was serp belt related. Other belts to consider are the alternator belt if you hear the sound under load or acceleration, or if under idle it may be the timing belt. Q: I think the serpentine belt is making a noise. Morning all. The drivers side seat belt recently started making a clicking noise. this is due to the. First, I replaced the drive belt and it was still chirping. like accelerate, let off then do it again a few times. If the serpentine belt is loose, it often results in various noises coming from your engine. We didn't perform any testing other than the old "hit it with a hammer and see if it rattles" type of exhaust test, but a quick sawzall job took the cat off and it was clear. It is coming from the engine belt/pulley side of the engine. remove the fan belt and go for a 2 minute drive. No belt manufacture will recommend it. [silence] [music plays] Subtitles by explosiveskull www. I read from another post to try soap. I'm the second owner, so who knows, maybe it was replaced before. chirping sound when accelerating If this is your first visit, be sure to check out the FAQ by clicking the link above. It goes away once my truck is warm enough, but when I hit the road and hit the accelerator it does that chirp noise. Also a defective belt tensioner will cause the belt to chirp. My serpentine belt is squeaking. There's a bird chirping in my engine. transmission being shifted faster than the supercharger drive belt system. It would only happen in winter when I would make long highway trips in the snow and salt, my belt would get dried out from the road salt. Took it in and a mechanic took it for a ride and thinks it is internal in the engine or gearboxHas anyone had similar issue??. still makin the noise. - It does not happen if I rev the engine in neutral. Hello Forum user:) this is my second Flex, my first was a 2010 SEL. This goes double if your car is just warming up, and this is actually a problem that occurs in a lot of the colder regions of the planet (Canada would be the perfect example, I happen to live there and this problem happened. Does it every time I accelerate hard off the line now, usually doesn't do it if I accelerate away gently. I have a question for Dave or anybody that can help. Make sure the timing belt cover isn't rubbing up against the belt itself. 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 allGuaranteed Hello Everyone, SWEET PROJECT CARS here with. Just replacing the belt won't do much good long term if you don't take care of the leak. If I press down on the valve cover a little, the noise seem to go away, but that's not 100% of the time. the power steering pulley moves forward and back from the block a little and im wondering if that can make the noise. Page 203 SAFETY In Automatic Locking Mode, the shoulder belt is automati- cally pre-locked. Cheers lads Erm, basically, say your pulling away, and you don't give it enough power, that's when it chirps. I have a 2013 Veloster with 40K miles (but the chirp has been there for the past 10K, I'd estimate). The only time mine ever chirped was switching from V4 to V8. The most recently reported issues are listed below. Ford TSB Article # 10-4-13 Issue Some 2005-2010 Mustang vehicles equipped with a convertible top may exhibit a headliner that pulls away from the number 1 bow. Chirping noises coming from your air conditioner usually indicate either that the bearings are dry, the fan is rubbing against the coils or blower cage, or the belt needs to be replaced. Doesn't sound like a loose belt to me, but this is the first mechanical glitch in the 12 years that I've owned this great car. When the accelerator pedal is released, the sound went away. The use of a stethoscope to listen for the location of the noise may help to isolate which component is causing the noise. Today it was more noticeable while accelerating lightly the rpms jump up without the power actually going to the wheels. These answers can also be issues if the car is accelerating, cruising or braking. • A chirping or “squeak” noise is coming from the engine area, usually occurring at start-up in the morning especially in cold or damp conditions. It has to be exact. Spacecraft Launch Mission Status Sensor Complement Ground Segment ARTEMIS References. I know that this is a common occurrence but can someone remind me if this is typically caused by the belt being too tight or too loose?. I have a 2013 R/T and my car has developed a power loss problem. Car alternator belt squeals or is it the alternator itself. The Dawg Pound. Forum discussion: One of my cars is a 96 Civic. Less frequently, it could point to a misalignment in the drive pulley of the water pump or another accessory. Tonight, I did experiment a little. Lube may correct this and there are several threads about procedure and grease types recommended. 1) The belt chirp is well documented. Update though I haven't got a chance to take the belt off, but I'm starting to think the issue may be what I was afraid of. I have noticed that when accelerating and RPMs are roughly between 2000-2500 that this odd chirp/squealing noise comes from motor. i think i hear it, slightly at first acceleration, the lower RPM's sound rough, then it smooths out to what sounds like normal engine accel, then i thought i heard it when you let off? but would help us if you made it longer. At first you hear the normal valvetrain noise, but then as the 'noise' gets louder all you hear is a tweeting/chirping vibration as something under the truck seems to hit a resonant frequency. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon. And fix this chirping ford. Drivers of certain Nissan vehicles may complain about one of two noises coming from the drive belt: • A chirping or "squeak" noise is coming from the engine area, usually occurring at start-up in the morning especially in cold or damp conditions. Subject: New squeak in left rear when accelerating Sun Sep 19, 2010 9:11 am I was on a ride yesterday afternoon when I heard a squeaking sound coming from the left rear when starting out. The pedal was to the floor with launch control when the chirp sound occurred. try cleaning it with soap and water, also clean all the pulleys with something like brake contact cleaner to remove all impacted rubber from it. i brought it to the dealer for them to look at and see where it could be coming from and it turned out to be the alternator bearing. Chirping noise coming from the serpentine belt, it would get louder when I turned on the air conditioner. 4 4x4 with a little over 100,000 miles on it. The silicone spray is only a very temp fix. can respond. If like mine the bottom mount rusted away and the shield began to vibrate against the manifold. I'd say its a serpentine belt that is either worn or has lost tension. some mustang shelby gt500 vehicles may exhibit a supercharger belt squeel. Doesn't do it at all when over 30mph or if I rev it in park. The noise sounds like a million crickets under my hood. If your vehicle squeals when braking, on the other hand, that's most likely a brake issue, rather than a belt. A serpentine belt is a single rubber belt fitted in modern cars, that drives all the accessories like the alternator, water pump, hydraulic steering, and A/C compressor. Advertisement. Seems awfully strange that two cars with completely different histories one two years newer have the exact same on the squeaking whenever accelerating at very low speed's and it's not a squeal is kind of a light chirp. I´m picky with my beemer and I want it perfect. Or the belt chirping somehow. If the belt is to tight, it make noise. Apply liberaly with engine off onto the belt and start the vehicle. Great, right! Well not so fast. Mine's been doing it for a little while now, but only in the first half mile or so of operation while the engine is still warming up. But starts again as soon as I press the gas again. Seems awfully strange that two cars with completely different histories one two years newer have the exact same on the squeaking whenever accelerating at very low speed’s and it’s not a squeal is kind of a light chirp. Belt noise can also come when one of the pulleys the belt is riding on starts to fail. To advertise, contact our sales department by calling (650) 948-9000 or email [email protected] This is a normal occurrence as the belt is a normal maintenance item. The belt looked fine, no cracks, right length, etc. The more likely thing is a dirty belt. The use of a stethoscope to listen for the location of the noise may help to isolate which component is causing the noise. best way to describe this "chirp" is the sound of a slipping belt. Took it in and a mechanic took it for a ride and thinks it is internal in the engine or gearboxHas anyone had similar issue??. the car will sometimes chirp at idle but it will squeal when accelerating all the time until the engine has fully warmed up then it will suddenly stop what. I have a 1998 Saturn and I realize it is older but runs great except I have noticed a chirping sound, kind of like a squeal, chirp but it disappears. The car is quick off the line and you won't chirp a tire due to the all wheel drive (And the rather large meaty tires in the rear, 295 x 30 x 18's), it's got tons of grip and handles like its on rails (Note: Once the car is warmed up, and with it having so much torque, the Tiptronic will start off in 2nd during normal driving mode, but shift. It goes away once my truck is warm enough, but when I hit the road and hit the accelerator it does that chirp noise. 6l explorer. Some component that the belt drives is not able to take the rapid change in RPM when you shift and it slips for an instant while it catches up. To clarify,the sound I am referring to is not the "whine" or "whistle" that all superchargers make under acceleration, but a gentle "bird chirp" just crusing along at a steady speed. Long story short, I found a bolt for the header that had lost it's nut and was jumping from the vibrations of accelerating. For 90K miles, my 92 Civic was noise free. A vehicle can make a chirping noise when a belt is loose or slipping. I have a 2007 Touareg with the 3. Chirping/squeaking noise when accelerating? When I accelerate in my 1998 Honda Civic, I hear a chirping/squeaking noise coming from the engine, or at least from the front left side of the car. It can be a result of a damaged pulley or an incorrectly installed pulley that was not correctly aligned. Upon leaving and it has been about a week, the car has developed a rattle type noise when between 1,500 and 2,000 RPM and is most pronounced going slow and only when accelerating from a slow position. I had no squeal with any pulleys or wheels. that is how i have found both of mine. Some customers may comment on a squeak / chirp noise coming from the accessory drive serpentine belt on vehicles built prior to vin breakpoint y2107225. RE: Acceleration "Chirp" My dealer silenced the chirp on my '04 SL55 AMG on the 2nd visit. Is this normal, or does something need to be tightened? Cheers. When I drive immediately afterwards it seems to come back lightly during acceleration points, but goes away completely after the car has been warmed up. Air is pulled in through the filter, down the tube and into the engine where it mixes with fuel. A squealing noise, often heard at engine startup, sudden acceleration, air conditioning turn-on, or during a U-turn is typically caused by belt slippage due to improper tension and/or a badly glazed belt. com > General Help > Common Questions & Troubleshooting: Chirp Fron Trans Or Intake?. After listening to it last night I'd say it sounds more like a metal to metal noise or maybe a squealy belt noise. I used these posts to do the simple Belt Squeak When Accelerating - Mazda3 Forums : The #1 Mazda 3 Forum. The chirp is fairly rhythmic when idling and under an easy accelerating, but gets sporadic when under a heavy acceleration or at highway speeds (60-70mph) The belt has been chirping since the change and is slowly getting worse. It has been chirping all the way to its current 9600 milage. If the belt is to lose, it makes noise. The belt may have gotten coolant on it and this will cause the chirp. Most modern vehicles come equipped with serpentine belts, though they may occasionally be called fan belts. The belt had no signs of wear, but he replaced it since it was the cheapest place to start and the sound vanished. It kind of sounds like an old belt of some sort but it is not a constant noise. I put an exact fit belt on and I got a little chirping from one of the pulleys. I thought it might be belt chirp but I tried the unthinkable by letting it get totally cold and running it a block without the belt to test this out. No change in the noise - it's still there when accelerating. I was convinced it was a belt issue. If the noise goes away, then it could have been due to the water pump or the belt tensioner.