Transmission rumbling when accelerating.
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Joined: May 2016
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Transmission rumbling when accelerating.
1990 740 turbo. Rumbling and vibrating when accelerating. Automatic transmission. Universals are fine. Seems to be the transmission. Oil level was low due leakage at rear seal. I added fluid. No change.
Senior Member
Joined: Jan 2011
Posts: 1,210
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From: New York
Check the driveshaft center bearing and mounting donut. Also check the transmission mount as well as the motor mounts.
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92_240_sedan
Volvo 240, 740 & 940
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Jan 5, 2013 08:10 PM
