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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 273 (Engine Mechanical - 4.8L, 5.3L, 6.0L Or 6.2L (5 Of 5)) >> Off-Vehicle Repair Instructions (3 Of 3) >> Valve Rocker Arm Cover Installation - Right Side

Valve Rocker Arm Cover Installation - Right Side

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    Fig 1: View Of Valve Rocker Arm Cover Gasket
    GM1272820Courtesy of GENERAL MOTORS CORP.
    IMPORTANT:
    • All gasket surfaces should be free of oil or other foreign material during assembly.
    • DO NOT use the valve rocker arm cover gasket again.
    • The valve rocker arm cover bolt grommets may be used again if not damaged.
  1. Install a NEW gasket (504) into the valve rocker arm cover.
    2. Fig 2: View Of Oil Filler Cap & Tube
    GM1559860Courtesy of GENERAL MOTORS CORP.
  2. Install a NEW oil fill tube (423) to the valve rocker arm cover.
  3. Install the oil fill cap (424).
    4. Fig 3: View Of Valve Rocker Arm Cover & Bolts
    GM260084Courtesy of GENERAL MOTORS CORP.
  4. Install the valve rocker arm cover onto the cylinder head.
    5. NOTE: Refer to Fastener Notice .
  5. Install the cover bolts with grommets.

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

    6. Fig 4: View Of Bracket, Bolts, Coils & Wire Harness
    GM1402020Courtesy of GENERAL MOTORS CORP.
  6. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489), or equivalent, to the threads of the ignition coil bolts (723).
  7. Install the ignition coils (722), wire harness (721), and bolts (723) to the bracket (719).

    Tighten:  Tighten the ignition coil bolts to 10 N.m (89 lb in).

    8. Fig 5: Ignition Coils & Bracket
    GM1402028Courtesy of GENERAL MOTORS CORP.
  8. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489), or equivalent, to the threads of the ignition coil bracket studs (720).
  9. Install the ignition coil and bracket assembly (719) and studs (720).

    Tighten:  Tighten the bracket studs to 12 N.m (106 lb in).

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