GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 36660-A Torque Angle Meter
    • J 42385-200 Thread Repair Kit

Removal Procedure


    Object Number: 871567  Size: SH
  1. Remove the generator bracket. Refer to Generator Bracket Replacement .
  2. Remove the coolant air bleed pipe. Refer to Coolant Air Bleed Pipe Assembly Replacement.
  3. Remove the left exhaust manifold. Refer to Exhaust Manifold Replacement - Left Side .
  4. Remove the pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
  5. If equipped, remove the auxiliary air conditioning (A/C) bracket bolt  (5).

  6. Object Number: 832957  Size: SH

    Important: The cylinder head bolts are NOT reusable.

  7. Remove and discard the cylinder head bolts (1, 2, 3).

  8. Object Number: 832958  Size: SH

    Notice: After removal, place the cylinder head on 2 wood blocks in order to prevent damage to the sealing surfaces.

  9. Remove the cylinder head.

  10. Object Number: 832962  Size: SH
  11. Remove and discard the cylinder head gasket.
  12. Clean and inspect the cylinder head. Refer to Cylinder Head Cleaning and Inspection .

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 871567  Size: SH
  1. If equipped, install the auxiliary A/C bracket bolt (5).
  2. Tighten
    Tighten the bolt to 20 N·m (15 lb ft).

  3. Install the pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
  4. Install the left exhaust manifold. Refer to Exhaust Manifold Replacement - Left Side .
  5. Install the coolant air bleed pipe. Refer to Coolant Air Bleed Pipe Assembly Replacement.
  6. Install the generator bracket. Refer to Generator Bracket Replacement .