Vacuum Brake Booster Check Valve: Service and Repair

Vacuum Brake Booster Check Valve and/or Hose Replacement

Removal Procedure
1. Remove the vacuum brake booster check valve from the vacuum brake booster.
2. Remove the vacuum brake booster hose clamp at the check valve.
3. Remove the vacuum brake booster check valve from the hose.
4. Remove the manifold sight shield (4.8L, 5.3L, 6.0L).





5. Disconnect the vacuum brake booster hose at the engine (4.8L, 5.3L, 6.0L).





6. Disconnect the vacuum brake booster hose at the engine (4.3L).
7. Remove the vacuum brake booster hose from the vehicle.

Installation Procedure





1. Connect the vacuum brake booster hose at the engine (4.8L, 5.3L, 6.0L).





2. Connect the vacuum brake booster hose at the engine (4.3L).
3. Install the manifold sight shield (4.8L, 5.3L, 6.0L).
4. Install the vacuum brake booster check valve to the hose.
5. Install the vacuum brake booster hose clamp to the check valve.
6. Install the vacuum brake booster check valve to the vacuum brake booster.