GM Service Manual Online
For 1990-2009 cars only

Cylinder Head Replacement - Right Side Rear

Tools Required

J 36660-A Torque Angle Meter

Removal Procedure

  1. Remove lower intake manifold. Refer to Lower Intake Manifold Replacement .
  2. Remove the exhaust crossover pipe. Refer to Exhaust Crossover Pipe Replacement in Engine Exhaust.
  3. Raise the support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Remove catalytic converter. Refer to Catalytic Converter Replacement in Engine Exhaust.
  5. Lower the vehicle.
  6. Remove the rocker arms and pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .

  7. Object Number: 52299  Size: SH
  8. Remove the cylinder head bolts.
  9. Remove the cylinder head.
  10. If replacing cylinder head, remove the following components:
  11. • Exhaust manifold. Refer to Exhaust Manifold Replacement - Right Side in Engine Exhaust.
    • Accessory studs.
    • Spark plugs
  12. Clean the mating surfaces on the following items:
  13. • The cylinder head
    • The cylinder block
    • The intake manifold
  14. Clean the cylinder block bolt threads.
  15. Clean the cylinder head bolts.

Installation Procedure

  1. If removed install the following components:
  2. • Exhaust manifold. Refer to Exhaust Manifold Replacement - Right Side in Engine Exhaust.
    • Accessory studs.
    • Spark plugs

    Object Number: 52299  Size: SH
  3. Place the cylinder head gasket in position over the dowel pins. Ensure that the THIS SIDE UP note is showing.
  4. Install the cylinder head.

  5. Object Number: 54295  Size: SH

    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.

  6. Install the cylinder head bolts.
  7. Tighten
    Tighten the bolts to 60 N·m (44 lb ft) in the sequence shown. Use the J 36660-A in order to tighten the bolts an additional 95 degrees.

  8. Install the intake gasket.
  9. Install the rocker arm bolts and the pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
  10. Install the intake manifolds. Refer to one of the following procedures:
  11. •  Upper Intake Manifold Replacement
    •  Lower Intake Manifold Replacement
  12. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  13. Install the catalytic converter. Refer to Catalytic Converter Replacement in Engine Exhaust.
  14. Lower the vehicle.

  15. Object Number: 54282  Size: SH
  16. Install the exhaust crossover pipe. Refer to Exhaust Crossover Pipe Replacement in Engine Exhaust.
  17. Fill the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.