Torrent AWD V6-3.4L VIN F (2006)
Brake Caliper: Customer Interest
Brakes - Front End Rattles on Bumps/Rough Roads
Bulletin No.: 05-05-23-005A
Date: January 23, 2006
TECHNICAL
Subject:
Rattle Noise from Front of Vehicle at Slow Speeds on Rough Surfaces When Brake Pedal Is Not Applied (Install New Caliper Pin Bushing)
Models:
2005-2006 Chevrolet Equinox
2006 Pontiac Torrent
2002-2006 Saturn VUE
Attention:
Fixed Operations Manager and Technician
Supercede:
This bulletin is being revised to add additional models and model years. Please discard Corporate Bulletin Number 05-05-23-005 (Section 05 - Brakes).
Condition
Some customers may comment on a rattle noise coming from the front of the vehicle while driving at slow speeds over rough road surfaces when the
brake pedal is not applied.
Cause
This condition may be caused by the interface of the front brake caliper guide pins and the front brake caliper bracket.
Correction
Verify the customer concern. To isolate the brake caliper guide pins as a potential source of the noise, apply the brakes when the noise is apparent. If the
noise stops when the brakes are applied and comes back when the brakes are released, then the brake caliper guide pin bushings are the most likely
source of the concern.
If the brake caliper guide pin bushings have been identified as the source of the noise, then replace the front brake caliper guide pin bushings on the
lower pin on the brakes on both sides of the vehicle. Refer to the service procedure in this bulletin.
Service Procedure
Caution:
Avoid taking the following actions when you service wheel brake parts:
^
Do not grind brake linings.
^
Do not sand brake linings.
^
Do not clean wheel brake parts with a dry brush or with compressed air.
Some models or aftermarket brake parts may contain asbestos fibers which can become airborne in dust. Breathing dust with asbestos fibers may cause
serious bodily harm. Use a water-dampened cloth in order to remove any dust on brake parts. Equipment is available commercially in order to perform
this washing function. These wet methods prevent fibers from becoming airborne.
Caution:
Brake fluid may irritate eyes and skin. In case of contact, take the following actions:
^
Eye contact--rinse thoroughly with water.
^
Skin contact--wash with soap and water.
^
If ingested--consult a physician immediately.
