Diesel Data: Automotive Repair

Vacuum Brake Booster Check Valve: Service and Repair



Vacuum Brake Booster Check Valve and/or Hose Replacement

Removal Procedure





1. Disconnect the brake booster vacuum hose from the brake booster vacuum check valve.
2. Remove the vacuum check valve from the brake booster, if replacing the check valve.




3. Remove the intake manifold, if replacing the brake booster vacuum hose. Refer to Intake Manifold Replacement (Service and Repair) .
4. Disconnect the brake booster vacuum hose from the intake manifold and remove the hose.



Installation Procedure





1. Connect the brake booster vacuum hose to the intake manifold, if disconnected previously.
2. Install the intake manifold, if removed previously. Refer to Intake Manifold Replacement (Service and Repair) .




3. Install the vacuum check valve to the brake booster, if removed previously.
4. Connect the booster vacuum hose to the brake booster check valve.