Noisy on Turns. Cadillac STS 2009

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2009 🢒 STS 🢒 Driveline/Axle 🢒 Rear Drive Axle 🢒 Noisy on Turns

Cause

Correction

Important:

•	Inspect for the proper gear oil levels prior to performing system diagnosis. Refer to Rear Axle Lubricant Level Inspection .

•	Operate the vehicle turning in tight circles in both left and right directions. A chatter type concern may indicate an incorrect type gear oil, lack of the friction modifier additive, or worn friction discs and/or plates.

DEFINITION: A noise is present only when the vehicle turns.

Worn or loose rear axle mount and/or bracket

Repair or replace as required.

Worn axle shaft constant velocity joints

Replace the constant velocity joints as required.

Worn wheel bearings

Replace the wheel bearings as required.

Incorrect gear oil

Fill to the proper level with the correct gear oil and friction modifier additive. Refer to Adhesives, Fluids, Lubricants, and Sealers and Rear Axle Lubricant Level Inspection .