GM Service Manual Online
For 1990-2009 cars only

Valve Rocker Arm Cover Replacement V8 Right

Removal Procedure

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the battery negative cable. Refer to Battery Cable Replacement in Engine Electrical.
  2. Remove the engine cover. Refer to Engine Cover Replacement in Interior Trim.

  3. Object Number: 183395  Size: SH
  4. Remove the screw retaining the oil fill tube to the generator bracket.
  5. Remove the oil fill tube from the engine.
  6. Remove the oil level indicator and tube. Refer to Oil Level Indicator and Tube Replacement .
  7. Use the following procedure in order to gain access to the right side valve cover:
  8. • Disconnect the ignition control module (ICM) electrical connector.
    • Open the engine electrical harness retainer.
    • Reposition the engine electrical harness over the ignition coil.
  9. Disconnect the spark plug wires from the right side of the distributor cap. Refer to Spark Plug Wire Harness Replacement in Engine Electrical.
  10. Remove the crankcase vent tube from the right side valve cover.

  11. Object Number: 68709  Size: SH
  12. Remove the right valve cover from the engine.
  13. Clean all sealing surfaces. Refer to Valve Rocker Arm Cover Clean and Inspect

Installation Procedure


    Object Number: 68709  Size: SH
  1. Install the right valve cover to the engine. Refer to Valve Rocker Arm Cover Installation (Right)
  2. Install the crankcase vent tube to the right side valve cover.
  3. Connect the spark plug wires to the right side of the distributor cap. Refer to Spark Plug Wire Harness Replacement .
  4. Use the following procedure in order to reposition the engine electrical harness:
  5. • Reposition the engine electrical harness into the harness retainer.
    • Close the engine electrical harness retainer.
    • Connect the ignition control module (ICM) electrical connector.

    Object Number: 183395  Size: SH
  6. Install the engine oil fill tube to the engine.
  7. Install the oil level indicator and tube. Refer to Oil Level Indicator and Tube Replacement .
  8. Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  9. Install the battery negative cable. Refer to Battery Cable Replacement in Engine Electrical.
  10. Install the screw to the generator bracket.
  11. Tighten
    Tighten the screw to 10 N·m (88 lb in).

  12. Install the engine cover. Refer to Engine Cover Replacement in Interior Trim.

Valve Rocker Arm Cover Replacement V8 Left

Removal Procedure

  1. Remove the engine cover. Refer to Engine Cover Replacement in Interior Trim.
  2. Disconnect the spark plug wires from the left side of the distributor cap. Refer to Spark Plug Wire Harness Replacement in Engine Electrical.
  3. Remove the PCV valve from the valve cover and set it aside.
  4. Disconnect the coolant sender electrical connector.
  5. In order to gain access, remove the A/C compressor, if equipped. Refer to Air Conditioning Compressor Replacement in HVAC.
  6. Remove the power steering pulley from the power steering pump. Refer to Power Steering Pump Replacement in Steering.

  7. Object Number: 68709  Size: SH
  8. Remove the left valve cover from the engine.
  9. Clean all sealing surfaces Refer to Valve Rocker Arm Cover Clean and Inspect

Installation Procedure


    Object Number: 68709  Size: SH
  1. Install the left valve cover to the engine. Refer to Valve Rocker Arm Cover Installation (Left)

  2. Object Number: 188373  Size: SH
  3. Install the power steering pump pulley to the power steering pump. Refer to Power Steering Pump Replacement in Steering.
  4. Connect the electrical connector to the power steering pump.
  5. Install the A/C compressor, if equipped. Refer to Air Conditioning Compressor Replacement in HVAC.
  6. Connect the coolant sender electrical connector.
  7. Install the PCV valve to the valve cover.
  8. Connect the spark plug wires to the left side of the distributor cap. Refer to Spark Plug Wire Harness Replacement in Engine Electrical.
  9. Install the engine cover. Refer to Engine Cover Replacement in Interior Trim.