GM Service Manual Online
For 1990-2009 cars only

Cylinder Head Replacement Right Side

Removal Procedure


    Object Number: 178557  Size: SH
  1. Remove the intake manifold. Refer to Intake Manifold Replacement .

  2. Object Number: 64139  Size: SH
  3. Remove the engine coolant air bleed pipe from the engine. Refer to Vapor Vent Pipe Replacement .

  4. Object Number: 178460  Size: SH
  5. Remove the right side exhaust manifold. Refer to Exhaust Manifold Replacement .

  6. Object Number: 64171  Size: SH
  7. Remove the valve rocker arms, pedestals and pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .

  8. Object Number: 100173  Size: SH
  9. Remove the right side cylinder head. Refer to Cylinder Head Removal .

Installation Procedure


    Object Number: 100173  Size: SH
  1. Install the right side cylinder head. Refer to Cylinder Head Installation .

  2. Object Number: 64171  Size: SH
  3. Install the valve rocker arms, pedestals and pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .

  4. Object Number: 178460  Size: SH
  5. Install the right side exhaust manifold. Refer to Exhaust Manifold Replacement .

  6. Object Number: 64139  Size: SH
  7. Install the engine coolant air bleed pipe to the engine. Refer to Vapor Vent Pipe Replacement .

  8. Object Number: 178557  Size: SH
  9. Install the intake manifold. Refer to Intake Manifold Replacement .
  10. Inspect for any leaks.

Cylinder Head Replacement Left Side

Removal Procedure

Tools Required

J 25034-C Pulley Puller Remover


    Object Number: 178557  Size: SH
  1. Remove the intake manifold. Refer to Intake Manifold Replacement .

  2. Object Number: 64139  Size: SH
  3. Remove the engine coolant air bleed pipe. Refer to Vapor Vent Pipe Replacement .

  4. Object Number: 354410  Size: SH
  5. Remove the power steering pump pulley using J 25034-C .

  6. Object Number: 450869  Size: SH
  7. Remove the power steering gear outlet hose (2) from the reservoir (1).

  8. Object Number: 450871  Size: SH
  9. Remove the power steering gear inlet hose (1) from the pump (2).

  10. Object Number: 220625  Size: SH
  11. Remove the power steering pump.

  12. Object Number: 220627  Size: SH
  13. Remove the power steering pump bracket.

  14. Object Number: 63205  Size: SH
  15. Remove the valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement .

  16. Object Number: 178462  Size: SH
  17. Remove the left side exhaust manifold. Refer to Exhaust Manifold Replacement .

  18. Object Number: 64171  Size: SH
  19. Remove the valve rocker arms, pedestal, and valve pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
  20. Remove the ground wires and bolts from the rear of the head.

  21. Object Number: 64878  Size: SH
  22. Remove the left side cylinder head. Refer to Cylinder Head Removal .

Installation Procedure

Tools Required

J 25033-C Pulley Pump Installer


    Object Number: 64878  Size: SH
  1. Install the left side cylinder head. Refer to Cylinder Head Installation
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the ground wires and bolts to the rear of the head.
  4. Tighten
    Tighten the ground bolt to 50 N·m (37 lb ft).


    Object Number: 64171  Size: SH
  5. Install the valve rocker arms, pedestal, and valve pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .

  6. Object Number: 178462  Size: SH
  7. Install the left side exhaust manifold. Refer to Exhaust Manifold Replacement .

  8. Object Number: 63205  Size: SH
  9. Install the valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement .

  10. Object Number: 220627  Size: SH
  11. Install the power steering pump bracket.
  12. Tighten
    Tighten the steering pump brackets to 50 N·m (37 lb ft).


    Object Number: 220625  Size: SH
  13. Install the power steering pump.
  14. Tighten
    Tighten the pump brace bolts to 25 N·m (18 lb ft).


    Object Number: 450871  Size: SH
  15. Install the power steering gear inlet hose (1) to the pump (2).
  16. Tighten
    Tighten the power steering gear inlet hose (1) fitting to 28 N·m (21 lb ft).


    Object Number: 450869  Size: SH
  17. Install the power steering gear outlet hose (2) to the reservoir (1).

  18. Object Number: 290557  Size: SH
  19. Install the power steering pump pulley using the J 25033-C .

  20. Object Number: 64139  Size: SH
  21. Install the engine coolant air bleed pipe. Refer to Vapor Vent Pipe Replacement .

  22. Object Number: 178557  Size: SH
  23. Install the intake manifold. Refer to Intake Manifold Replacement .
  24. Inspect for any leaks.