GM Service Manual Online
For 1990-2009 cars only

Cylinder Head Replacement Left

Removal Procedure


    Object Number: 188295  Size: SH
  1. Disconnect the battery negative cable. Refer to Battery Cable Replacement .
  2. Remove the engine cover. Refer to Engine Cover Replacement .
  3. Remove the fan shroud. Refer to Engine Coolant Fan Shroud Replacement .
  4. Remove the power steering pump mounting bracket. Refer to Accessory Mounting Brackets Replacement .
  5. Remove the power steering pump mounting bracket stud from the cylinder head.
  6. Remove the intake manifold. Refer to Intake Manifold Replacement .
  7. Remove the exhaust manifold. Refer to Exhaust Manifold Replacement .

  8. Object Number: 375408  Size: SH
  9. Remove the ground wires at the rear of the cylinder head.
  10. Remove the transmission control cable bracket.
  11. Remove the valve pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .

  12. Object Number: 5130  Size: SH
  13. Remove and discard the cylinder head bolts.
  14. Remove the cylinder head.
  15. Clean all sealing surfaces. Refer to Cylinder Head Cleaning and Inspection .

Installation Procedure


    Object Number: 5129  Size: SH
  1. Install the cylinder head. Refer to Cylinder Head Installation .
  2. Install the valve pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
  3. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 375408  Size: SH
  4. Install the ground wires and nut at the rear of the cylinder head.
  5. Tighten
    Tighten the ground wire nut to 10 N·m (88 lb in).

  6. Install the transmission control cable bracket and bolts at the rear of the cylinder head.
  7. Tighten
    Tighten the transmission control cable bracket bolts to 40 N·m (30 lb ft).

  8. Install the exhaust manifold. Refer to Exhaust Manifold Replacement .
  9. Install the intake manifold. Refer to Intake Manifold Replacement .

  10. Object Number: 188295  Size: SH
  11. Install the stud for the power steering pump mounting bracket to the cylinder head.
  12. Tighten
    Tighten the power steering pump mounting bracket stud to 20 N·m (15 lb ft).

  13. Install the power steering pump mounting bracket. Refer to Accessory Mounting Brackets Replacement .
  14. Install the fan shroud. Refer to Engine Coolant Fan Shroud Replacement .
  15. Fill the engine coolant system. Refer to Cooling System Draining and Filling .
  16. Connect the battery negative cable. Refer to Battery Cable Replacement .
  17. Install the engine cover. Refer to Engine Cover Replacement .

Cylinder Head Replacement Right

Removal Procedure


    Object Number: 196643  Size: SH
  1. Disconnect the battery negative cable. Refer to Battery Cable Replacement .
  2. Remove the engine cover. Refer to Engine Cover Replacement .
  3. Remove the engine fan shroud. Refer to Engine Coolant Fan Shroud Replacement .
  4. Remove the generator mounting bracket. Refer to Accessory Mounting Brackets Replacement .
  5. Remove the generator mounting bracket stud from the cylinder head.
  6. Remove the lower intake manifold. Refer to Intake Manifold Replacement .
  7. Remove the exhaust manifold. Refer to Exhaust Manifold Replacement .
  8. Remove the valve pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .

  9. Object Number: 375426  Size: SH
  10. Remove the ground wire from the rear of the cylinder head.

  11. Object Number: 5130  Size: SH
  12. Remove and discard the cylinder head bolts.
  13. Remove the cylinder head.
  14. Clean all sealing surfaces. Refer to Cylinder Head Cleaning and Inspection .

Installation Procedure


    Object Number: 5129  Size: SH
  1. Install the cylinder head. Refer to Cylinder Head Installation .
  2. Install the valve pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
  3. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 375426  Size: SH
  4. Install the ground wire stud and ground wire to the rear of the cylinder head.
  5. Tighten
    Tighten the ground wire stud to 10 N·m (88 lb in).

  6. Install the exhaust manifold. Refer to Exhaust Manifold Replacement .
  7. Install the intake manifold. Refer to Intake Manifold Replacement .

  8. Object Number: 196643  Size: SH
  9. Install the stud for the generator mounting bracket.
  10. Tighten
    Tighten the generator mounting bracket stud to 20 N·m (15 lb ft).

  11. Install the generator mounting bracket. Refer to Accessory Mounting Brackets Replacement .
  12. Install the fan shroud. Refer to Engine Coolant Fan Shroud Replacement .
  13. Fill the engine coolant system. Refer to Cooling System Draining and Filling .
  14. Connect the battery negative cable. Refer to Battery Cable Replacement .
  15. Install the engine cover. Refer to Engine Cover Replacement .