CTS RWD V6-3.6L (2008)
Vacuum Brake Booster Check Valve: Service and Repair
Vacuum Brake Booster Check Valve and/or Hose Replacement (LLT) VIN V W/ Direct Fuel
Injection
Vacuum Brake Booster Check Valve and/or Hose Replacement (LLT)
Removal Procedure
1. Apply the brake pedal several times until the pedal becomes firm to deplete the vacuum reserve in the brake booster.
2. Remove the check valve (1) from the vacuum brake booster.
3. Remove and discard the vacuum hose clamp (1).
4. Remove the vacuum hose (2) from the vacuum port on the LH side of the intake manifold.
