GM Service Manual Online
For 1990-2009 cars only

Object Number: 1977971  Size: MF

Callout

Component Name

Warning: Refer to Brake Fluid Irritant Warning in the Preface section.

Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution in the Preface section.

Preliminary Procedure

Remove the brake master cylinder assembly with power brake booster and chassis control module. Refer to Brake Master Cylinder with Power Brake Booster and Chassis Control Module Replacement.

1

Power Brake Booster Accumulator

Caution: Refer to Fastener Caution in the Preface section.

Procedure

Discard the accumulator properly by cutting the accumulator in half and draining the brake fluid. Refer to Power Brake Booster Pump Fluid Accumulator Disposal.

Tighten
55 N·m (41 lb ft)

2

Power Brake Booster Pump Fluid Accumulator Seal

Tip
Lubricate with Delco®, GM P/N 12377967 (Canadian P/N 992667) or equivalent DOT-3 brake fluid from a clean, sealed brake fluid container.

3

Power Brake Booster Pump Fluid Accumulator Fitting Spring

4

Power Brake Booster Pump Fluid Accumulator Fitting