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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> ENGINE MECHANICAL - 4.8L, 5.3L, AND 6.0L (3 Of 4) >> Off-Vehicle Repair Instructions (Part 2) >> Valve Rocker Arm Cover Removal - Right

Valve Rocker Arm Cover Removal - Right

    IMPORTANT:
    • Do not remove the ignition coils from the valve rocker arm cover, unless required.
    • Do not remove the oil fill tube from the cover, unless service is required.
    • If the oil fill tube has been removed from the cover, install a NEW tube during assembly.
  1. Remove the ignition coil bracket studs from the rocker arm cover, if required.
  2. Remove the ignition coil and bracket assembly from the cover.
    Fig 1: View Of Ignition Coil, Bracket Assembly & Bolts (Right)
    GM260090Courtesy of GENERAL MOTORS CORP.
  3. Remove the valve rocker arm cover bolts.
  4. Remove the valve rocker arm cover.
    Fig 2: View Of Valve Rocker Arm Cover & Bolts (Right)
    GM260084Courtesy of GENERAL MOTORS CORP.
  5. Remove the gasket (504) from the right cover.
    Fig 3: View Of Valve Rocker Arm Cover Gasket
    GM1272820Courtesy of GENERAL MOTORS CORP.
  6. Discard the gasket.

    The bolt grommets may be used again if they are not damaged.

  7. Remove the oil fill cap from the oil fill tube.
  8. Remove the oil fill tube, if required.
    Fig 4: View Of Oil Fill Cap & Tube
    GM260110Courtesy of GENERAL MOTORS CORP.
  9. Discard the oil fill tube.
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