Rear vibration

2007 CHEVROLET EQUINOX
210,000 MILES • 3.4L • 6 CYL • 4WD • AUTOMATIC
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COWBOYDG
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  • 2 POSTS
after starting out going five or six miles the rear end starts making a noise and starts vibrating then gets worse like thumping. if I stop at a stop sign and start up again it goes away, but comes back. I replaced the rear driveshaft with a new one.
Mar 18, 2018 at 9:22 AM
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MHPAUTOS
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  • 31,937 POSTS
You will have to check that you do not have a tire out of round, a buckled rim, all rear suspension components are tight and the replaced drive shaft is installed correctly. i would be leaning towards a tire as sometimes as they heat up they can deform and cause a thumping noise.
Mar 19, 2018 at 2:55 AM
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COWBOYDG
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  • 2 POSTS
rotated tires and still vibrating. checked driveshaft, it is okay.
Mar 19, 2018 at 5:54 PM
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MHPAUTOS
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  • 31,937 POSTS
Check for worn rear suspension components and check rear tail shaft and differential support bushes, if all looks good get a four wheel alignment.
Mar 19, 2018 at 11:17 PM