GM Service Manual Online
For 1990-2009 cars only

Cylinder Head Replacement Right

Removal Procedure

Tools Required

J 36660-A Torque Angle Meter

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.


    Object Number: 74059  Size: SH
  1. Disconnect the negative battery cable.
  2. Drain the coolant system. Refer to Cooling System Draining and Filling in Engine Cooling.
  3. Remove the valve rocker arm cover. Refer to Valve Rocker Arm Cover Removal .
  4. Remove the valve rocker arms, pedestals and pushrods. Refer to Valve Rocker Arm, Push Rod, and Pivot Removal .
  5. Remove the RH exhaust manifold from the cylinder head. Refer to Exhaust Manifold Replacement .
  6. Remove the intake manifold. Refer to Intake Manifold Replacement .
  7. Remove the coolant air bleed pipe from the engine. Refer to Coolant Air Bleed Pipe Removal .
  8. Remove the RH cylinder head from the engine. Refer to Cylinder Head Removal .

Installation Procedure


    Object Number: 100173  Size: SH
  1. Install the cylinder head to the engine. Refer to Cylinder Head Installation .
  2. Install the exhaust manifold. Refer to Exhaust Manifold Installation .
  3. Install the valve rocker arms, pedestal, and valve pushrods. Refer to Valve Rocker Arm, Push Rod, and Pivot Installation .
  4. Install the valve rocker arm cover. Refer to Valve Rocker Arm Cover Installation .
  5. Install the coolant air bleed pipe to the engine. Refer to Coolant Air Bleed Pipe Installation .
  6. Install the intake manifold. Refer to Intake Manifold Replacement .
  7. 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.

  8. Connect the negative battery cable.
  9. Tighten
    Tighten the bolt to 15 N·m (11 lb ft).

  10. Fill the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.
  11. Program the transmitters. Refer to Transmitter Programming/Synchronization in Keyless Entry.
  12. Inspect for any leaks.

Cylinder Head Replacement Left

Tools Required

    • J 36660-A Torque Angle Meter
    • J 25034-C Pump Pulley Remover
    • J 25033-C Pump Pulley Installer

Removal Procedure


    Object Number: 74059  Size: SH

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.
  2. Remove the valve rocker arms, pedestal, and valve pushrods. Refer to Valve Rocker Arm, Push Rod, and Pivot Removal .
  3. Remove the LH exhaust manifold from the cylinder head. Refer to Exhaust Manifold Replacement .
  4. Remove the intake manifold. Refer to Intake Manifold Replacement .
  5. Remove the vapor vent pipe. Refer to Vapor Vent Pipe Replacement .

  6. Object Number: 65347  Size: SH
  7. Remove the power steering pump pulley using J 25034-C . Refer to Power Steering Pump Pulley in Power Steering.

  8. Object Number: 65354  Size: SH
  9. Remove power steering pump mounting bolts.
  10. Remove the power steering reservoir bracket bolts and reposition the pump and reservoir assembly.
  11. Remove the lower accessory mounting bracket bolts.
  12. Remove the accessory mounting bracket.
  13. Remove the ground wire bolt from the rear of the cylinder head.
  14. Remove the LH cylinder head. Refer to Cylinder Head Removal .

Installation Procedure


    Object Number: 64878  Size: SH
  1. Install the LH 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 wire and bolt to the rear of the head.
  4. Tighten
    Tighten the ground wire bolt to 32 N·m (24 lb ft).

    Important: Install the upper accessory mounting bracket bolts loosely to the bracket to insure proper alignment when tightening.

  5. Install the accessory mounting bracket to the engine.
  6. Install the lower accessory mounting bracket bolts.
  7. Tighten
    Tighten the accessory mounting bracket bolts to 50 N·m (37 lb ft).


    Object Number: 65354  Size: SH
  8. Install the power steering pump to the accessory mounting bracket.
  9. Install the power steering pump bolts.
  10. Tighten
    Tighten the pump mounting bolts to 25 N·m (18 lb ft).

  11. Install the power steering reservoir and bolts to the accessory mounting bracket.
  12. Tighten
    Tighten the power steering reservoir bolts to 50 N·m (37 lb ft).


    Object Number: 65348  Size: SH
  13. Install the power steering pump pulley to the pump using J 25033-C . Refer to Power Steering Pump Pulley in Power Steering.
  14. Install the exhaust manifold. Refer to Exhaust Manifold Replacement .
  15. Install the valve rocker arms, pedestal, and valve pushrods. Refer to Valve Rocker Arm, Push Rod, and Pivot Installation .
  16. Install the vapor vent pipe. Refer to Vapor Vent Pipe Replacement .
  17. Install the intake manifold. Refer to Intake Manifold Replacement .
  18. Connect the negative battery cable.
  19. Tighten
    Tighten the bolt to 15 N·m (11 lb ft).

  20. Program the Transmitters. Refer to Transmitter Programming/Synchronization in Keyless Entry.
  21. Inspect for any leaks.