Question about 2004 Pontiac Grand Prix
There are a bunch of possibilities that it could be, so you will have to better diagnose this before spending money on repairs.
The car shaking can be from a long list of faulty or worn equipment.
1. Check the wheel balance. Your wheels can make your whole car vibrate if they are not balanced.
2. Check your wheel bearings. (Both 1, and 2 will increase with the speed of the car, not the engine.)
3. Motor and Transmission mounts (This will usually be with the RPMs of the engine)
4. CHeck your brakes.
5. You may need a transmission service too. (sometimes a fluid change will iron everything out)
Posted on Oct 11, 2010
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Posted on Jan 02, 2017
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