GM Service Manual Online
For 1990-2009 cars only

Cylinder Head Replacement - Right Side RHD

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.

  1. Disconnect the battery ground cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement.
  3. Remove the engine covers. Refer to Engine Cover Replacement.
  4. Remove the right camshaft cover. Refer to Camshaft Cover Replacement - Right Side.
  5. Remove the left bank secondary timing chain. Refer to Secondary Camshaft Drive Chain Replacement - Left Side.

  6. Object Number: 1958067  Size: SH
  7. Remove the wiring harness ground to cylinder head retaining bolts (1).
  8. Remove the wiring harness ground (2) from the side of the cylinder head (3).
  9. Remove the coolant inlet pipe. Refer to Engine Coolant Inlet Pipe Replacement.

  10. Object Number: 1958063  Size: SH
  11. Remove the engine wiring harness bracket to cylinder head retaining bolts (1). 
  12. Remove the catalytic converter. Refer to Catalytic Converter Replacement - Right Side.
  13. Remove the cylinder head with the exhaust manifold..

  14. Object Number: 1958070  Size: SH

    Important: Cylinder head gaskets must be discarded whenever the cylinder head has been removed from the cylinder block

  15. Remove and discard the cylinder head gasket (1).
  16. Discard the gasket

  17. Clean and inspect the cylinder head and the cylinder block sealing surfaces. Refer to Cylinder Head Cleaning and Inspectionand Engine Block Cleaning and Inspection.
  18. If necessary, perform the following steps:
  19. • Remove the exhaust manifold from the cylinder head. Refer to Exhaust Manifold Removal - Right Side.
    • Disassemble the cylinder head. Refer to Cylinder Head Disassemble.

Installation Procedure

  1. If necessary, perform the following steps:
  2. • Assemble the cylinder head. Refer to Cylinder Head Assemble.
    • Install the exhaust manifold to the cylinder head. Refer to Exhaust Manifold Installation - Right Side.

    Object Number: 1958070  Size: SH
  3. Install a NEW cylinder head gasket (1).
  4. Install the cylinder head with the exhaust manifold to the engine..
  5. Install the catalytic converter to the exhaust manifold. Refer to Catalytic Converter Replacement - Right Side.

  6. Object Number: 1958063  Size: SH
  7. Install the engine wiring harness bracket to cylinder head retaining bolts (1). 
  8. Notice: Refer to Fastener Notice in the Preface section.

  9. Install the wiring harness bracket to cylinder head retaining bolts (1).
  10. Tighten
    Tighten the bolt to 10 N·m (89 lb in).


    Object Number: 1958067  Size: SH
  11. Install the wiring harness ground to the side of the cylinder head.
  12. Install the wiring harness ground to right cylinder head retaining bolt (3).
  13. Tighten
    Tighten the bolt to 10 N·m (89 lb in).

  14. Install the coolant inlet pipe. Refer to Engine Coolant Inlet Pipe Replacement.
  15. Install the right camshaft cover. Refer to Camshaft Cover Replacement - Right Side.
  16. Install the left bank secondary timing chain. Refer to Secondary Camshaft Drive Chain Replacement - Left Side.
  17. Install the engine covers. Refer to Engine Cover Replacement.
  18. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement.
  19. Connect the battery ground cable. Refer to Battery Negative Cable Disconnection and Connection.

Cylinder Head Replacement - Right Side LHD

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.

  1. Disconnect the battery ground cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement.
  3. Remove the engine covers. Refer to Engine Cover Replacement.
  4. Remove the right camshaft cover. Refer to Camshaft Cover Replacement - Right Side.
  5. Remove the left bank secondary timing chain. Refer to Secondary Camshaft Drive Chain Replacement - Left Side.

  6. Object Number: 1958067  Size: SH
  7. Remove the wiring harness ground to cylinder head retaining bolts (1).
  8. Remove the wiring harness ground (2) from the side of the cylinder head (3).
  9. Remove the coolant inlet pipe. Refer to Engine Coolant Inlet Pipe Replacement.

  10. Object Number: 1961770  Size: SH
  11. Remove the engine wiring harness bracket to cylinder head retaining bolts (1). 
  12. Remove the catalytic converter. Refer to Catalytic Converter Replacement - Right Side.
  13. Remove the cylinder head with the exhaust manifold. Refer to Cylinder Head Removal - Right Side.

  14. Object Number: 1958070  Size: SH

    Important: Cylinder head gaskets must be discarded whenever the cylinder head has been removed from the cylinder block

  15. Remove and discard the cylinder head gasket (1).
  16. Discard the gasket

  17. Clean and inspect the cylinder head and the cylinder block sealing surfaces. Refer to Cylinder Head Cleaning and Inspectionand Engine Block Cleaning and Inspection.
  18. If necessary, perform the following steps:
  19. • Remove the exhaust manifold from the cylinder head. Refer to Exhaust Manifold Removal - Right Side.
    • Disassemble the cylinder head. Refer to Cylinder Head Disassemble.

Installation Procedure

  1. If necessary, perform the following steps:
  2. • Assemble the cylinder head. Refer to Cylinder Head Assemble.
    • Install the exhaust manifold to the cylinder head. Refer to Exhaust Manifold Installation - Right Side.

    Object Number: 1958070  Size: SH
  3. Install a NEW cylinder head gasket (1).
  4. Install the cylinder head with the exhaust manifold to the engine. Refer to Cylinder Head Installation - Right Side.
  5. Install the catalytic converter to the exhaust manifold. Refer to Catalytic Converter Replacement - Right Side.

  6. Object Number: 1961770  Size: SH
  7. Install the engine wiring harness bracket to cylinder head retaining bolts (1). 
  8. Notice: Refer to Fastener Notice in the Preface section.

  9. Install the wiring harness bracket to cylinder head retaining bolts (1).
  10. Tighten
    Tighten the bolt to 10 N·m (89 lb in).


    Object Number: 1958067  Size: SH
  11. Install the wiring harness ground to the side of the cylinder head.
  12. Install the wiring harness ground to right cylinder head retaining bolt (3).
  13. Tighten
    Tighten the bolt to 10 N·m (89 lb in).

  14. Install the coolant inlet pipe. Refer to Engine Coolant Inlet Pipe Replacement.
  15. Install the left bank secondary timing chain. Refer to Secondary Camshaft Drive Chain Replacement - Left Side.
  16. Install the right camshaft cover. Refer to Camshaft Cover Replacement - Right Side.
  17. Install the engine covers. Refer to Engine Cover Replacement.
  18. Install the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement.
  19. Connect the battery ground cable. Refer to Battery Negative Cable Disconnection and Connection.