GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 CTS 🢒 Engine 🢒 Engine Mechanical - 5.7L 🢒 Valve Rocker Arm Cover Replacement - Right Side

Removal Procedure

    Object Number: 1392497 Size: SH
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .

    2. Object Number: 1392083 Size: SH
  2. Remove the positive crankcase ventilation (PCV) tube from the throttle body and rocker arm cover.

    3. Object Number: 74069 Size: SH
  3. Disconnect the spark plug wires from the ignition coils.
    4. • Twist the spark plug wire boot 1/2 turn.
    • Pull only on the boot in order to remove the wire from the ignition coil.
  4. Disconnect the ignition coil wire harness main electrical connector.

    5. Object Number: 697216 Size: SH
  5. Remove the ignition coil bracket studs.
  6. Remove the ignition coil bracket.

    7. Object Number: 260084 Size: SH
  7. Loosen the valve rocker arm cover bolts.
  8. Remove the valve rocker arm cover.

    9. Object Number: 490696 Size: SH
  9. Remove the gasket (1) from the rocker cover. Discard the OLD gasket.

    10. Object Number: 260110 Size: SH
  10. Remove the oil fill cap from the oil fill tube.
  11. DO NOT remove the oil fill tube, unless replacement is necessary due to signs of leakage.
  12. Clean and inspect the valve rocker arm cover. Refer to Valve Rocker Arm Cover Cleaning and Inspection .

Installation Procedure

Important: 

   • All gasket surfaces should be free of oil and other foreign material during assembly.
   • DO NOT reuse the valve rocker arm cover gasket.
   • The valve rocker arm cover bolt grommets may be reused.
   • If the oil fill tube has been removed from the rocker arm cover, install a NEW fill tube during assembly.


    Object Number: 260110 Size: SH
  1. Lubricate the O-ring seal of the NEW oil fill tube with clean engine oil, if removed.
  2. Insert the NEW oil fill tube into the rocker arm cover, if necessary.

    3. Rotate the tube clockwise until locked in the proper position.

  3. Install the oil fill cap into the tube.

    4. Rotate the cap clockwise until locked in the proper position.


    Object Number: 490696 Size: SH
  4. Install a NEW gasket (1) into the valve rocker cover lip.

    5. Object Number: 260084 Size: SH
  5. Install the valve rocker arm cover onto the cylinder head.

    6. Notice: Refer to Fastener Notice in the Preface section.

  6. Tighten the rocker arm cover bolts.

    7. Tighten
    Tighten the valve rocker arm cover bolts to 12 N·m (106 lb in).


    Object Number: 697216 Size: SH
  7. Install the ignition coil bracket.
  8. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489), or equivalent, to the threads of the bracket studs.
  9. Install the ignition coil bracket studs.

    10. Tighten
    Tighten the ignition coil bracket studs to 12 N·m (106 lb in).


    Object Number: 74069 Size: SH
  10. Connect the ignition coil wire harness main electrical connector.
  11. Install the spark plug wires to the ignition coils.

    12. Object Number: 1392083 Size: SH
  12. Install the PCV tube to the throttle body and rocker arm cover.

    13. Object Number: 1392497 Size: SH
  13. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .