GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the manifold sight shield (4.8L, 5.3L, 6.0L). Refer to Upper Intake Manifold Sight Shield Replacement in Engine Mechanical 4.8L, 5.3L, 6.0L.

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

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