GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2005 🢒 Yukon Denali 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Power Brake Booster Vacuum Check Valve and 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). Refer to Upper Intake Manifold Sight Shield Replacement.

    5. Object Number: 382483 Size: SH
  5. Disconnect the vacuum brake booster hose at the engine (4.8L, 5.3L, 6.0L).

    6. Object Number: 346148 Size: SH
  6. Disconnect the vacuum brake booster hose at the engine (4.3L).
  7. Remove the vacuum brake booster hose from the vehicle.

Installation Procedure

    Object Number: 382483 Size: SH
  1. Connect the vacuum brake booster hose at the engine (4.8L, 5.3L, 6.0L).

    2. Object Number: 346148 Size: SH
  2. Connect the vacuum brake booster hose at the engine (4.3L).
  3. Install the manifold sight shield (4.8L, 5.3L, 6.0L). Refer to Upper Intake Manifold Sight Shield Replacement.
  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.