GM Service Manual Online
For 1990-2009 cars only

Exhaust Manifold Installation Left Side


    Object Number: 54301  Size: SH
  1. Install the exhaust manifold gasket.
  2. Install the exhaust manifold.
  3. Install the exhaust manifold nuts.
  4. Tighten
    Tighten the exhaust manifold nuts to 16 N·m (12 lb ft).

    Refer to

    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.

    in General Information.


    Object Number: 60831  Size: SH
  5. Install the exhaust manifold heat shield.
  6. Install the exhaust manifold heat shield nuts.
  7. Tighten
    Tighten the exhaust manifold heat shield nuts to 10 N·m (89 lb in).

Exhaust Manifold Installation Right Side


    Object Number: 66185  Size: SH
  1. Install the exhaust manifold gasket.
  2. Install the exhaust manifold. Loosely, install the heat shield at this time.
  3. Install the exhaust manifold nuts.
  4. Tighten
    Tighten the exhaust manifold nuts to 16 N·m (12 lb ft).

    Refer to

    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.

    in General Information.


    Object Number: 54707  Size: SH
  5. Install the exhaust manifold heat shield.
  6. Install the exhaust manifold heat shield nuts.
  7. Tighten
    Tighten the exhaust manifold heat shield nuts to 10 N·m (89 lb in).

  8. Install the converter heat shield to the body.
  9. Install the exhaust pipe to the converter flange.
  10. Install the heated oxygen sensor.

  11. Object Number: 54282  Size: SH
  12. Install the crossover pipe to the exhaust manifolds.

  13. Object Number: 54366  Size: SH
  14. Install the crossover heat shield.

  15. Object Number: 54670  Size: SH
  16. Install the EGR pipe to the exhaust manifold.