GM Service Manual Online
For 1990-2009 cars only

Valve Rocker Arm Cover Replacement Right

Removal Procedure

  1. Remove the engine cover. Refer to Engine Cover Replacement in Interior Trim.

  2. Object Number: 183395  Size: SH
  3. Remove the screw retaining the oil fill tube to the generator and drive belt tensioner bracket.
  4. Remove the oil fill tube from the engine.
  5. Disconnect the ignition control module (ICM) electrical connector. Refer to VCM Replacement/Programming in Engine Controls.
  6. Open the engine electrical harness retainer.
  7. Reposition the engine electrical harness over the ignition coil.
  8. Disconnect the spark plug wires from the distributor cap. Refer to Spark Plug Wire Harness Replacement in Engine Electrical.
  9. Remove AIR bypass hose assembly, if so equipped. Refer to Secondary Air Injection Check Valve and Check Valve Pipe Replacement in Engine Controls.

  10. Object Number: 183401  Size: SH
  11. Remove the crankcase vent tube from the right side valve rocker arm cover.

  12. Object Number: 182833  Size: SH
  13. Remove the valve cover from the engine.
  14. Clean all sealing surfaces.

Installation Procedure


    Object Number: 182833  Size: SH

    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.

  1. Install the right valve cover and gasket to the engine.
  2. Tighten
    Tighten the bolts to 12 N·m 106 lb in.


    Object Number: 183401  Size: SH
  3. Install the crankcase vent tube to the right side valve cover.
  4. Connect the spark plug wires to the distributor cap. Refer to Spark Plug Wire Harness Replacement in Engine Electrical.
  5. The wires and the distributor cap are numbered in order to aid assembly.
  6. Install AIR bypass hose assembly, if so equipped. Refer to Secondary Air Injection Check Valve and Check Valve Pipe Replacement in Engine Controls.
  7. Reposition the engine electrical harness into the harness retainer.
  8. Close the engine electrical harness retainer.
  9. Connect the ignition control module (ICM) electrical connector. Refer to VCM Replacement/Programming in Engine Controls.
  10. Install the engine oil fill tube to the engine.
  11. Install the engine cover. Refer to Engine Cover Replacement in Interior Trim.

Valve Rocker Arm Cover Replacement Left

Removal Procedure

  1. Remove the engine cover. Refer to Engine Cover Replacement in Interior Trim.

  2. Object Number: 317197  Size: SH
  3. Disconnect the spark plug wires from the distributor cap. Refer to Spark Plug Wire Harness Replacement in Engine Electrical.
  4. Remove the PCV valve from the valve rocker arm cover and set it aside.
  5. Disconnect the ECT sensor electrical connector. Refer to Engine Coolant Temperature Sensor Replacement in Engine Controls.
  6. Remove AIR bypass hose assembly, if so equipped. Refer to Secondary Air Injection Check Valve and Check Valve Pipe Replacement in Engine Controls.
  7. In order to gain access, remove the A/C compressor, if equipped. Refer to Air Conditioning Compressor Replacement in HVAC.
  8. Remove the power steering pulley from the power steering pump. Refer to Power Steering Pump Pulley Replacement in Steering.

  9. Object Number: 188295  Size: SH
  10. Remove the power steering pump mounting bracket. Refer to Accessory Mounting Brackets Replacement .
  11. Lay the power steering pump and the power steering pump bracket aside.

  12. Object Number: 68709  Size: SH
  13. Remove the left valve rocker arm cover and gasket from the engine.
  14. Clean all sealing surfaces.

Installation Procedure


    Object Number: 317197  Size: SH

    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.

  1. Install the left valve rocker arm cover and gasket to the engine.
  2. Tighten
    Tighten the bolts to 12 N·m 106 lb in.

  3. Install the power steering pump bracket . Refer to Accessory Mounting Brackets Replacement .
  4. Install the Power Steering Pump. Refer to Power Steering Pump Replacement in Power Steering.
  5. Install the A/C compressor, if equipped. Refer to Air Conditioning Compressor Replacement in Heating, Ventilation and Air Conditioning.
  6. Connect the ETC sensor electrical connector. Refer to Engine Coolant Temperature Sensor Replacement in Engine Controls.
  7. Install the PCV valve to the valve rocker arm cover.
  8. Install AIR bypass hose assembly, if so equipped. Refer to Secondary Air Injection Check Valve and Check Valve Pipe Replacement in Engine Controls.
  9. Connect the spark plug wires to the distributor cap. Refer to Spark Plug Wire Harness Replacement in Engine Electrical.
  10. Install the engine cover. Refer to Engine Cover Replacement in Interior Trim.