Auto Parts and Repairs
Car Shaking Problems

What might be the problem in a 1996 Pontiac Grand Am if it makes a kind of vibrating noise when in reverse but only when you hit the accelerator?


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Wiki User
2004-11-04 09:59:18
2004-11-04 09:59:18

Motor support porbably bad.


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It is probly your transmission.

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The accelerator in a car is meant to make the car move forward or backward depending on if the car is in drive or reverse.

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The accelerator cable is connected with a swivel nut on each end of the cable. Loosen the swivel nut, by turning it to the left. The accelerator cable will come off. Reverse the process to install the new accelerator cable.

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It's probably not a motor problem. What led up to the problem? Did it just appear or did someone work on the electrics and then the problem cropped up? Where do the sparks fly from? It may be a solenoid problem, but the symptoms reveal little.

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the only problem that you can repair yourself would be with the linkage. but if all other gears work except reverse then the problem is probably internal and should be inspected by a professional. it makes a big difference if the trans. is manual or automatic also.

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