what could be the problem, i have vibration during acceleration only....ease up on gas no vibration...

2001 LINCOLN TOWN CAR
150,000 MILES
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NORA.MALONE
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have replaced the brake rotors, brake pads, idler arms, shocks, ball joints, tie rods and still get vibration when i accelerate...what could be the problem...i just dont know what else to do to fix this problem...Please help!!!
Oct 8, 2011 at 6:06 AM
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CARADIODOC
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None of the things you mentioned will cause a vibration under acceleration. Only the brake rotors will cause a vibration but that won't be limited to acceleration. The most common cause is tight universal joints. A less common cause is a collapsed transmission mount that causes a change in the drive shaft angle. Sagged rear springs can do that too, but the vibration will generally occur while cruising, not just when accelerating.
Oct 8, 2011 at 6:17 AM
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RASMATAZ
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Have the tires/wheels and wheel alignment checked out-could also be the transaxles
Oct 8, 2011 at 6:19 AM
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NORA.MALONE
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Yes i had,new tires installed, a wheel alignment done and wheels balanced
Oct 8, 2011 at 6:49 AM
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MHPAUTOS
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Start checking the drive line for worn joints or a damaged shaft that may be out of balance.
Oct 8, 2011 at 7:38 AM