Optima L4-2.4L (2001)
Brake Shoe: Customer Interest
Brakes - Rear Drum Brake Noise
VOLUME
3
GROUP
Chassis
MODEL
Optima
NUMBER
009
DATE
April 2002
SUBJECT
Optima Rear Drum Brake Noise
This bulletin provides information relating to a change in Optima rear drum brakes to reduce operational noise. From 11/1/01 production, stiffeners were
added to the brake shoes and a dust ring was added to the backing plate. These changes reduce incidence of rear brake squeal/squeak noise. These new
parts may be used as a field fix for in-use complaint vehicles built before 11/1/01.
* NOTICE
For in-use complaint vehicles, both the backing plates and brake shoes must be replaced to be effective.
REPAIR PROCEDURE:
1.
Raise and support vehicle on hoist.
2.
Remove rear wheel.
3.
Remove brake drum retaining screw and brake drum.
4.
Remove brake shoes from backing plate.
5.
Disconnect and cap brake hydraulic line.
* NOTICE
