Vibration help???

Bigblockcheyenne · 07-19-2008, 08:21 PM

Got another question this one has me stumped. I have a 95 impala with 150 thousand miles . Win you are driving down the road at a constant speed it shakes real bad. You can feel it in the seats but not in steering wheel. If you give it gas it stops , same win you let off the gas. I have already rotated the tires and pulled the drive shaft to check u-joints. Everything looks fine. Thanks for any ideas.

ImpalaMan · 07-31-2008, 10:27 AM

I would bet that your driveshaft is bent. Try disconnecting the driveshaft from the rear end, rotate the driveshaft 180 degrees and reconnect it and see if that solves your problem. If it doesn't, then you have either a bent driveshaft or bad U-joints.

-ImpalaMan

Bigblockcheyenne · 08-15-2008, 06:52 PM

Thanks for the ideas again but,I have already tried this as well as checking motor mounts any other ideas are appreciated.

ImpalaMan · 09-30-2008, 05:58 AM

You said you've checked your U-joints, but have you had your driveshaft checked at a shop for balance? It doesn't cost much, average price for a driveshaft balance is around $40-60.

RMC · 09-30-2008, 06:59 PM

Swap front and rear tires and see if problem is now felt in front wheels.

07-19-2008, 08:21 PM	#1 (permalink)
Bigblockcheyenne Junior Member View My Garage Join Date: Jun 2008 Location: Lafayette Ga. Posts: 11	Vibration help??? Got another question this one has me stumped. I have a 95 impala with 150 thousand miles . Win you are driving down the road at a constant speed it shakes real bad. You can feel it in the seats but not in steering wheel. If you give it gas it stops , same win you let off the gas. I have already rotated the tires and pulled the drive shaft to check u-joints. Everything looks fine. Thanks for any ideas.

07-31-2008, 10:27 AM	#2 (permalink)
ImpalaMan Junior Member Join Date: Jul 2008 Location: Sugar Land, TX Posts: 9	I would bet that your driveshaft is bent. Try disconnecting the driveshaft from the rear end, rotate the driveshaft 180 degrees and reconnect it and see if that solves your problem. If it doesn't, then you have either a bent driveshaft or bad U-joints. -ImpalaMan __________________ 1996 Impala SS BBB - 198k Miles & Still Rockin' Hard!!!

09-30-2008, 05:58 AM	#4 (permalink)
ImpalaMan Junior Member Join Date: Jul 2008 Location: Sugar Land, TX Posts: 9	You said you've checked your U-joints, but have you had your driveshaft checked at a shop for balance? It doesn't cost much, average price for a driveshaft balance is around $40-60. __________________ 1996 Impala SS BBB - 198k Miles & Still Rockin' Hard!!!

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08-15-2008, 06:52 PM	#3 (permalink)
Bigblockcheyenne Junior Member View My Garage Join Date: Jun 2008 Location: Lafayette Ga. Posts: 11	Thanks for the ideas again but,I have already tried this as well as checking motor mounts any other ideas are appreciated.

09-30-2008, 06:59 PM	#5 (permalink)
RMC Member Join Date: Apr 2008 Posts: 44	Swap front and rear tires and see if problem is now felt in front wheels.

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