Removal Procedure
- With the engine OFF, apply and release the brake pedal several times until the brake pedal becomes firm to deplete the power vacuum brake booster vacuum reserve.
Courtesy of GENERAL MOTORS COMPANY
- Release the power brake booster vacuum rear pipe (1) from the retainer.
- Remove the power brake booster vacuum rear pipe vacuum check valve (2) from the power vacuum brake booster.
- Release the power brake booster vacuum rear pipe quick connect and disconnect the power brake booster vacuum pipe (3) .
- Remove the power brake booster vacuum rear pipe assembly.