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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 39 (Engine Mechanical - 6.6L - Off Vehicle Repair Instructions (3 Of 3)) >> Off-Vehicle Repair INSTRUCTIONST (Part 3) >> Valve Rocker Arm, Shaft, and Push Rod Installation

Valve Rocker Arm, Shaft, and Push Rod Installation

WARNING: This page is about a different variant/trim than selected.
    IMPORTANT: Install the valve bridge with the expansion side of bridge away from the injector.
    Fig 1: Identifying Valve Bridge Setup
    GM1342411Courtesy of GENERAL MOTORS CORP.
  1. Install the valve bridge.
  2. Install the valve bridge pins.
  3. Install the pushrods.
    Fig 2: View Of Pushrods, Valve Spring Caps & Valve Lifter Bridges
    GM660488Courtesy of GENERAL MOTORS CORP.
  4. NOTE: The pushrods must be correctly seated in the valve lifter and valve rocker arms before the rocker arm shaft assembly is torqued into place. Improper seating of the pushrods can cause damage to the pushrods or the valve rocker arm shaft assembly components.
    Fig 3: View Of Rocker Arm Shaft Assembly
    GM663833Courtesy of GENERAL MOTORS CORP.
  5. Install the rocker arm shaft assembly.
  6. NOTE: Refer to FASTENER NOTICE .
    Fig 4: Identifying Rocker Arm Shaft Bolt Tightening Sequence
    GM721463Courtesy of GENERAL MOTORS CORP.
  7. Install the rocker arm shaft assembly bolts.

    Tighten:  Tighten the rocker arm shaft assembly bolts in the proper sequence. Tighten the rocker arm shaft bolts to 41 N.m (30 lb ft).