GM Service Manual Online
For 1990-2009 cars only

Squeak Noise CTS

Checks

Action

DEFINITION: When driving the vehicle at various speeds a squeaking sound occurs.

One or more of the universal joints have lost lubricant.

Replace the driveshaft complete.

Squeak Noise CTSV

Checks

Action

DEFINITION: When driving the vehicle at various speeds a squeaking sound occurs.

The centering bushing is dry.

Remove the propshaft. Ensure that the centering bushing is lubed.

The center bearing is failing.

Replace the driveshaft complete.