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Noise when press gas pedal

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Old 02-25-09, 12:24 PM   #1
rustylexus
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Default Noise when press gas pedal

when im coasting down the road and i press the gas pedal to accelerate a loud noise comes from under the car. i also hear it when im sitting still on the brakes and i shift the transmission from reverse to drive. anybody heard of this problem?
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Old 02-25-09, 12:35 PM   #2
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Old 02-25-09, 12:38 PM   #3
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what kind of noise? ticking? tapping? hissing? high-pitched? give us more info...
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Old 02-25-09, 12:43 PM   #4
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its like a hitting sound like a clunk. it sounds to me like something maybe a u-joint is loose. it doesnt make the sound if i very easily press the gas pedal to accelerate.
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Old 02-25-09, 01:27 PM   #5
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Is it a loud noise or something that you'll have to turn down the music to hear.
also is it noise or is it a thump that you "feel" when you press the accelerator ? is it comeing from the rear ?
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Old 02-25-09, 01:57 PM   #6
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Motor mounts
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Old 02-25-09, 06:11 PM   #7
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thats the engine going "vrooom"



xD


Seriously its probably the motor or tranny mounts
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Old 02-26-09, 10:19 AM   #8
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you can feel it when it happens even with the music up. its as if something was loose in the drivetrain somewhere. im just trying to see if its common and what it is
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Old 02-26-09, 07:35 PM   #9
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must be the tranny mounts...
cheap fix, albeit time consuming, if im not mistaken
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Old 03-23-09, 01:50 AM   #10
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it could be:

- the flex disc between the driveshaft and the transmission
- the flex disc between the driveshaft and the rear diff
- transmission mounts

inspect these rubber parts
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Old 03-23-09, 01:22 PM   #11
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Quote:
Originally Posted by Rocan View Post
must be the tranny mounts...
cheap fix, albeit time consuming, if im not mistaken
Nah the transmission mount is easy, it's the motor mounts that are a pita.
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Old 03-23-09, 02:28 PM   #12
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sitting still and u think it might be a u-joint? lmfao....problems like this are impossible to diagnose on forums, it could be something like a loose muffler or u could have ran a cat over and it squirming around under there trying to get free! take it to a shop and let someone put it on a rack and/or test drive it
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