GM Service Manual Online
For 1990-2009 cars only

Valve Rocker Arm Cover Replacement Right Side

Removal Procedure


    Object Number: 39114  Size: SH
  1. Disconnect the negative battery cable.
  2. Raise and suitably support the vehicle. Refer to SECTION 0A.
  3. Remove the accessory drive belt. Refer to Drive Belt Replacement .
  4. Remove the automatic transmission fluid level indicator tube bolt from the transmission housing, if equipped. Refer to SECTION 7A.
  5. Lower the vehicle.
  6. Remove the crankcase vent hose.
  7. Remove the generator and the rear generator brace. Refer to SECTION 6D3.

  8. Object Number: 39100  Size: SH
  9. Remove the secondary air injection pipe from the exhaust manifold.

  10. Object Number: 39119  Size: SH
  11. Remove the valve rocker arm cover bolts.
  12. Remove the valve rocker arm cover and the gasket.
  13. Clean the valve rocker arm cover and the cylinder head gasket surfaces.

Installation Procedure


    Object Number: 39119  Size: SH
  1. Install the valve rocker arm cover and gasket.
  2. Install the valve rocker arm cover bolts.
  3. Tighten
    Tighten the valve rocker arm cover bolts to 12 N·m (106 lb in).


    Object Number: 39100  Size: SH
  4. Install the secondary air injection pipe to the exhaust manifold.
  5. Tighten
    Tighten the secondary air injection pipe to 55 N·m (47 lb ft).

  6. Install the generator and the rear generator brace. Refer to SECTION 6D3.

  7. Object Number: 39114  Size: SH
  8. Install the crankcase vent hose.
  9. Raise and suitably support the vehicle. Refer to SECTION 0A.
  10. Install the transmission fluid level indicator tube bolt to the transmission housing, if removed.
  11. Install the accessory drive belt. Refer to Drive Belt Replacement .
  12. Lower the vehicle.
  13. Connect the negative battery cable.

Valve Rocker Arm Cover Replacement Left Side

Removal Procedure

  1. Disconnect the negative battery cable.
  2. Remove the brake booster vacuum hose.

  3. Object Number: 39100  Size: SH
  4. Remove the secondary air injection hose from the pump to the check valve.
  5. Remove the secondary air injector pipe from the exhaust manifold.
  6. Remove the accelerator control/cruise control servo cable adjuster, if equipped. Refer to SECTION 5E2.

  7. Object Number: 39119  Size: SH
  8. Remove the valve rocker arm cover bolts.
  9. Remove the valve rocker arm cover and gasket.
  10. Clean the valve rocker arm cover and the cylinder head gasket surfaces.

Installation Procedure


    Object Number: 39119  Size: SH
  1. Install the valve rocker arm cover and gasket.
  2. Install the valve rocker arm cover bolts.
  3. Tighten
    Tighten the valve rocker arm cover bolts to 12 N·m (106 lb in).

  4. Install the accelerator control/cruise control servo cable adjuster, if equipped. Refer to SECTION 5E2.

  5. Object Number: 39100  Size: SH
  6. Install the secondary air injection pipe to the exhaust manifold.
  7. Tighten
    Tighten the secondary air injection pipe to the exhaust manifold to 55 N·m (47 lb ft).

  8. Install the secondary air injection hose to the pump and the check valve.
  9. Install the brake booster vacuum hose.
  10. Connect the negative battery cable.