Engine rattle?
#1
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Hey guys. Recently I have been noticing a engine rattling sound under heavy acceleration only. It only happens for a few seconds and then is gone? I cannot narrow it down, I have been under the car and nothing seems loose.
Has any of you experienced this and what was the conclusion when you figured out the problem?
It's hard to explain the sound it's just a Metal rattle coming from the engine bay lol? I dunno any suggestions?
Has any of you experienced this and what was the conclusion when you figured out the problem?
It's hard to explain the sound it's just a Metal rattle coming from the engine bay lol? I dunno any suggestions?
#2
![Default](/forum/images/icons/icon1.gif)
Hey guys. Recently I have been noticing a engine rattling sound under heavy acceleration only. It only happens for a few seconds and then is gone? I cannot narrow it down, I have been under the car and nothing seems loose.
Has any of you experienced this and what was the conclusion when you figured out the problem?
It's hard to explain the sound it's just a Metal rattle coming from the engine bay lol? I dunno any suggestions?
Has any of you experienced this and what was the conclusion when you figured out the problem?
It's hard to explain the sound it's just a Metal rattle coming from the engine bay lol? I dunno any suggestions?
#6
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#8
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Does it only make the noise under load, or will it do it in Park or Neutral as well? If it does in while the vehicle is stationary have someone give it some throttle and you might be able to pinpoint the location of the rattle a little better. Something I always do is have someone ride with me when I replicate the scenario. A second set of ears does wonders.
I dont think it would be coming from the valvetrain, because the rattle/knock is usually pretty consistent at all RPMs, and usually more noticeable at idle.
I dont think it would be coming from the valvetrain, because the rattle/knock is usually pretty consistent at all RPMs, and usually more noticeable at idle.
#10
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Mine knocks a little under heavy acceleration for about 3 seconds then goes away; it sounds a little like something is rattling. It's done it religiously since I bought the car. The dealer said the car is fine and the engine management system will adjust quickly while accelerating to stop whatever causes the sound. I've had the fuel injector service done by the dealer (at their recommendation) and that didn't change anything. Clearly I'm not a mechanic, and my explanation isn't very detailed (in the technical sense) however my issue sounds a bit like yours. It doesn't do it when siting still and revving the engine - only when I get on the throttle.
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