| Subject: | Outside Rearview Mirror Vibration (Replace Mirror) | 
| Models: | 2004-2005 Buick Rainier | 
| 2004-2005 Chevrolet TrailBlazer Models | 
| 2004-2005 GMC Envoy Models | 
| 2004 Oldsmobile Bravada | 
Some customers may comment that the left or right outside rearview mirror vibrates while driving.
A loose stabilizing spring may cause this condition.
Replace the outside rearview mirror assembly. Refer to Mirror Replacement (SI Document ID #734659).
Refer to the GMSPO Parts Catalog for the specific mirror part number and application information.
Parts are currently available from GMSPO.
For vehicles repaired under warranty, use:
Labor Operation  | Description  | Labor Time  | 
|---|---|---|
B4156  | Mirror, Outside Rear View-Left - Replace  | Use published labor operation time  | 
B4155  | Mirror, Outside Rear View-Right - Replace  |