Pinpoint test A: Increased transmission noise
1. Road test the vehicle to determine the load and speed at which the noise occurs.
2. Estimate the noise level at different included gears.
Does the noise occur in different gears at the same vehicle speed?
Yes
INSTALL a new rear drive axle/differential assembly. For more information refer to: Differential box (205-02 Rear drive axle / differential, Removal and installation). CHECK the system is working properly.
No
For more information refer to: Engine (303-00 Engine - General information, Diagnostics and checks) / Diagnostics (307-01 Automatic transmission / transmission in the block with the leading axle, Diagnostics and checks).
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