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TSB Document:

Affected Component: SUSPENSION:REAR

Summary
13360A - SERVICE UPDATE (REVISED EXPIRATION DATE). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO CHECK THE REAR DIFFERENTIAL FLUID LEVEL ON CERTAIN VEHICLES. THE REAR DIFFERENTIAL ASSEMBLY FOR THESE VEHICLES MAY HAVE BEEN SHIPPED FROM THE SUPPLIER WITH INSUFFICIENT FLUID. IF THE FLUID IS LOW, DEALERS ARE TO ADD FLUID AND TEST DRIVE THE VEHICLE. IF A LOUD WHINE, GEAR, OR BEARING NOISE IS OBSERVED DURING THE TEST DRIVE, DEALERS ARE TO CONTACT THE GM PRODUCT QUALITY CENTER (PQC) FOR ADDITIONAL INSTRUCTIONS.

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Date Published
OCT 29, 2014
NHTSA TSB #
10090447
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