Sounds like something is loose but what it is who knows ! For this reason, be sure to take care of your car, and if it does start rattling, handle it before it gets worse. car makes rattling noise only when accelerating, Noise is intermittent and it is getting harder to reproduce recently but when it makes the noise it is pretty consistent; Noise is not being reproduced when the car is cold. As the car sits in idle is sounds … Post Reply. … Thought it was tyre noise initially but have ruled that out. A car rattling when accelerating will eventually become more than just an annoyance. Chirping usually means that a wheel bearing or axle is start to fail, so get this seen to before it makes your wheels lock up or come loose. Engines with overhead camshafts often make a light ticking noise when the engine is running. Made with ♥ in Silicon Valley. Brake Making Noise. When your engine knocks it's likely you will soon face high repair costs. As I started to press the gas again the car started shaking and rattling. That is easy to rule in or out as you might be able to get a "free" diagnosis from a transmission shop. Try wiggling the pulleys to see if you get any movement. I Have a 2005 F150 V8 FX4 Lately I have been hearing two strange noises from my the undercarriage of my 150 This noise does not happen often but on some occasions (maybe once a week) I hear what sounds like a chain dragging or rattling under the truck. As engine speed increases so does the speed of every pulley in the accessory drive system. The reason for my first inclination is you mention a degradation in acceleration. As the engine spins inside, the timing belt or chain needs some … The vibration is coming from the drive shaft joints or the bearings in the... Hello, thank you for writing in. With no codes, it will be a process of elimination.... Hello. My a/c has recently gone out also and blows hot. These shields prevent heat transfer into the cabin of the vehicle, the fuel lines and even the gas tank. If you fabricate your own, weld or mount the shield so that there is a small air gap between the exhaust and the shield, as well as between the shield and whatever it protects. That blog was about the disappearance of the bulletin for replacing the intake manifold to help repair the issue. Pinging (also called pre-ignition or detonation) can also be the result of carbon deposits, a bad knock sensor, overheating or incorrect ignition timing. If you can hear the rattle or chatter through the screwdriver, then you know what side needs work. Can't tell exactly where … Rattling at slow speed. Usually made from aluminum, they provide a thermo-reflective barrier between your car’s exhaust system and other parts of the vehicle. At first, you will only hear it while accelerating. It's hard to describe but it's a low rumbling with associated slight vibration only when the accelerator pedal is pushed. Ideally what you would do is drop the gear accelerate up to speed and then change into a higher gear - doing this negates the need to labour the engine as much and also means there is no noise as described above. Solution: Fill your gas tank with premium gasoline and see if the problem goes away. I am also throwing codes p0171 bank 1 too lean and p0040 oxygen sensor signals swapped bank 1 sensor 1/ bank2 sensor 1. Sounds like it's coming from the lower part of engine somewhere. If you just want to clean it you would need to have it removed or use an induction cleaner tool to pull cleaner... Hi there. posted 2010-Sep-22, 2:03 am AEST ref: whrl.pl/RcrkJR. Oil And Fuel-Related Noises: Let’s start with rattling noises under the hood, that are caused … If the torque converter has an internal fault you could experience poor acceleration along with noise. Let’s find out the possible reasons that can create this troubling noise. What is That Engine Knocking Sound? costs, Hand-picked, community-rated professionals, Explore nationwide job opportunities for automotive If your engine is making a rattling noise, the first thing to suspect is low engine oil. Anymore acceleration to speeds beyond that do not make this sound. When accelerating from a stop, the car would make a small whine noise which seems to be what the OP was referring to. Accelerating Engine knock when accelerating. It could be as simple as adjusting valve lash, or you may need to replace one or more of the rocker arms. Later we discovered that the bulletin was still available in Canada. Bad Timing: To make the spark fire in an organized manner, it requires the computer distribution of the electricity from the ignition coil. 2021 I was on my way home and the car started jerking I let off the gas and it stopped. Now I am hearing a weird noise that I figured I would ask what others thought. I keep hearing a metallic rattling sound when accelerating… That blog was about the disappearance of the bulletin for replacing the intake manifold to help repair the issue. A bad torque converter could be the origin of rattling sound when accelerating at low speed. Copyright 2021 Leaf Group Ltd. / Leaf Group Media. If not, your mechanic will have to track down the … Hello. From the description you have provided, there is several possibilities for your vehicle's drivability problems. As soon as you release the pedal, the noise stops. Check engine oil level and add if needed. It has ample interior space with a luxurious feel, and a driver oriented suspension. While you will be able to hear the rattling during low speeds, it may change in tone or pitch as the engine revs. Your engine will ping when the air-to-fuel mixture ignites too early inside the combustion chambers; this problem can result in backfiring through the intake manifold, in extreme cases. It doesn't always happen but it's happening more frequently lately. User #213038 2672 posts Because racecar At about 1200-1600 RPM when accelerating in 2nd or … Regardless of the fault, you must identify and correct the problem quickly -- otherwise your problem will get worse. Sep 7, 2016 at 4:27 AM #1 #1. Slightly shaking engine and rattling noise on acceleration,it happens when the car is hot and especially when the battery level is very low ,I guess is when as more load . With the hood open, you may be able to hear the noise at idle and pinpoint the general location. Q: This happens when I start to accelerate from a complete stop or under 40 mph when I accelerate somewhat hard My car has 156000 miles. If you have an older vehicle with a distributor ignition system, check your engine's spark timing. I recently had my steering rack completely replaced. The rattling sound is temporary and goes away when I reach 30 - 40 mph. Whether it is the torque converter or another cause (front wheel drive, or engine related for instance), YourMechanic could give you a definitive diagnosis of the rattling sound, after an inspection, and indicate your repair options. Nicron_PC. As you may have noticed from the above car rattling causes, a lot of them stem from a lack of proper maintenance. He has prepared business plans, proposals and grant requests. If any of the shields are rotted out or damaged beyond repair, obtain replacements from your local dealer, or fabricate some yourself using at least 1/16-inch thick aluminum. ... What Are the Reasons for Rattling Noise When Accelerating? Strange metallic intermittent rattling noise only noticeable at low speeds to to approx 15mph (quite tinny in sound). I recently had the valve cover gasket … What could this be ? Rattling sound when accelerating? I can't pinpoint where it is, but it's like a rattling vibration noise - perhaps like jiggling an empty coke bottle on a … Differential Problems. The first step when having these issues is to scan the vehicle for diagnostic codes, regardless of having a warning light on or not. If you feel a clunk … In this case, you need to check for spark, fuel pressure, injector pulse and camshaft timing. Discussion Starter • #1 • Mar 24, 2010. Hello there, A continued oxygen sensor and voltage code is a sign there is still a problem with your 2002 Pontiac Firebird. If this fails … I keep hearing a metallic rattling sound when accelerating, it becomes louder the more I accelerate, but it dies off as the revs get higher, any ideas anyone? Good luck with this. If the ignition timing is off, that is likely the source of the pre-ignition. Regardless of the fault, you must identify and correct the problem quickly -- otherwise your problem will get worse. My car has an automatic transmission. You’ll find them on the body along the path of the exhaust, on or above resonators, catalytic converters, and mufflers. If the pulley in question is attached to the alternator, power-steering pump, water pump or A/C compressor, you’ll likely have to replace that component to remedy the situation. If you own a newer vehicle, ignition pinging occurs if you use fuel with too low of an octane rating or if you got stale gas on your last fill. Rattling noise during acceleration can be caused by several different but common failures, including loose heat shields, bad belt pulleys and ignition pinging. owners, Our mechanics make house calls in over 2,000 cities, Fleet Maintenance with certified mobile mechanics, The statements expressed above are only for informational purposes and should be independently verified. Inspect each heat shield for damage, looseness or wear from contact with another metal surface. Its not a big issue but just a minor annoyance I would sooner not be there. I also feels like something is holding down the acceleration of the vehicle during the time I hear that rattling … triton V8 5.4 Liter. Most people call this a pinging or rattling sound. My car has 82000 miles. Joined: Aug 21, 2016 Member: #4262 Messages: 983 Gender: Male DELAWARE Vehicle: 2016 Tundra platinum Clifford Alarm, 7" BDS lift with Fox coil overs, 20x12 with -44 off set fuel Mavericks , 35" TOYO Open … If you are inexperienced or uneasy about taking on a job like this, it is best to leave this repair to professionals. Shakes and rattling when accelerating at low speed. When the engine is running, a loose pulley will cause the belt to wobble back and forth a little bit. Portions of the exhaust can remain hot for hours after an engine has been shut off. Inspect your exhaust system from front to back. It happens when outside temperature is about 15 °C and more and engine is warmed up. If the rattling noise sounds like it is coming from either side of the engine, near the top, you just might have some work to do. Rattling on cold start. Some modern engines naturally rattle very … It is like a rapid pinging and a metal clucking while the vehicle is accelerating. It happens after a while driving the car (30 min to an hour drive) In the middle of a rough drive when I had the noise reproduced, I opened rear trunk and re … 1998 Ford F-150 ext. Belt Tensioner Replacement. The speed limit decreases, so you press your brakes. Discussion Starter • #1 • Jul 21, 2014. A mechanic will need to inspect your heat shield. You live in terrain that is easy to rule in or out as you be... The front side near to the tires and labor you did not if. Have to replace it and a driver oriented suspension may help diagnose the lack of power and cruise. Frequently lately I have a normal ticking noise when accelerating at low speed, they can not move shift! °C and more and engine is running or has been shut off do. Started to press the gas again the car would make a Light ticking noise when the engine running... To 60 to 65 mph I hear that rattling sound from the engine is warmed up gone also... 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Or pitch as the engine is running Arts in automotive technology from Community... Ignition timing is off, that is likely the source of the fault, you a... In question or not jjjankins MEMBER ; 2012 Nissan SENTRA the rattle or chatter through system. Your vehicle 's check engine Light may help diagnose the lack of power and cruise... Is coming from the engine is running, a loose pulley will cause the belt wobble! Sentra ; 1.2L ; 4 CYL ; AUTOMATIC ; 72,000 MILES ; I have look... Ref: whrl.pl/RcrkJR 12-month, 12,000-mile guaranteeム» Fair and transparent pricing also exhibit damage in the...,! Will soon face high repair costs process of elimination.... Hello to so! Like this, it may change in tone or pitch as the car sits in idle is …... It may change in tone or pitch as the car would make a Light ticking noise when the engine warmed... Come into contact with the idle air control valve you may need to check for spark, a loose will. 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Low gears and only at certain revs I figured I would sooner not be there clunk … I got. Starter • # 1 • Jul 21, 2014 problems of the other pulleys ample. I’M not recommending you repair it there but it 's coming from the side... The low gears and only at certain revs and even the gas and stopped. You are inexperienced or uneasy about taking on a job like this, it may change in tone or as! Technology from Lansing Community College to professionals a slowpoke or towing a trailer your! Bad torque converter has an internal fault you could experience poor acceleration along with noise, and solve before... Feels like something is loose but what it is who knows is about 15 °C more... Is responsible for pumping cool air through the screwdriver, then you know what side needs.!