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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Transmission >> Transfer Case - AAM >> Diagnostic Information and Procedures >> Intermittent Noise

Intermittent Noise

Cause Correction
Inspect for the proper transaxle and gear oil levels prior to performing system diagnosis.
Incorrect gear oil in the transfer case. Replace the gear oil. Refer to Adhesives, Fluids, Lubricants, and Sealers .
Transfer case bearing or rear drive axle clutch module.
A chatter or ratcheting type noise during hard acceleration on tight turns.
Confirm noise is coming from the transfer case or the rear drive axle clutch module. Repair as required.