GM Service Manual Online
For 1990-2009 cars only

Scraping Noise CTS

Checks

Action

DEFINITION: A scraping noise occurs when driving the vehicle at various speeds.

The pinion flange deflector or the center bearing is rubbing.

Correct the interference as necessary.

Scraping Noise CTSV

Checks

Action

DEFINITION: A scraping noise occurs when driving the vehicle at various speeds.

The pinion flange deflector or the center bearing is rubbing.

Correct the interference as necessary.

The heat shield is rubbing.

Correct the interference as necessary.