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Old 11-10-2016, 06:14 PM   #269
7rank
 
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Drives: '16 Camaro 2SS, '13 Sierra SLT
Join Date: Jul 2016
Location: N.B.
Posts: 62
Took mine in for 5k oil change, 1st one... and I had the same groaning from the rear, and I told the dealership service department about it, the technician said he had heard of this before and didn't even hesitate and changed out the rear end fluid without question... its been quiet ever since, hopefully it will stay that way... but at least the dealership has it on record in case of any problems down the road.

Frank
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