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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 40 (Engine Mechanical - 6.6L - Off Vehicle Repair Instructions (1 Of 3)) >> Off-Vehicle Repair Instructions (Part 1) >> Valve Rocker Arm, Shaft, and Push Rod Removal

Valve Rocker Arm, Shaft, and Push Rod Removal

WARNING: This page is about a different variant/trim than selected.
  1. Loosen the valve clearance lock nuts on each rocker arm.
    Fig 1: View Of Valve Clearance Adjusting Screw
    GM660481Courtesy of GENERAL MOTORS CORP.
  2. Loosen the valve clearance adjusting screw on each rocker arm to relieve tension on the valve train.
  3. Remove the rocker arm shaft assembly bolts in the proper sequence.
    Fig 2: Identifying Rocker Arm Shaft Bolt Loosening Sequence
    GM660486Courtesy of GENERAL MOTORS CORP.
  4. Remove the rocker arm shaft assembly from the cylinder head.
  5. Remove the valve bridge pins.
  6. Remove the valve bridges.
  7. Remove the pushrods.
    Fig 3: View Of Pushrods, Valve Spring Caps & Valve Lifter Bridges
    GM660488Courtesy of GENERAL MOTORS CORP.
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