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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1071 (Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, Or 7.0L (3 Of 5)) >> Off-Vehicle Repair Information (1 Of 3) >> Valve Rocker Arm and Push Rod Removal (RPO LY6/L76/L92)

Valve Rocker Arm and Push Rod Removal (RPO LY6/L76/L92)

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Offset Intake Rocker Arm & Non-Offset Rocker Arm
    GM1814082Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Place the valve rocker arms, valve pushrods, and pivot support, in a rack so they can be installed in the same location from which they were removed.
  1. Remove the valve rocker arm bolts.
  2. Remove the valve rocker arms.

    The intake rocker arms (1) have an offset design.

    3. Fig 2: View Of Valve Rocker Arm Pivot Support
    GM260141Courtesy of GENERAL MOTORS CORP.
  3. Remove the valve rocker arm pivot support.
    4. Fig 3: View Of Pushrods
    GM260142Courtesy of GENERAL MOTORS CORP.
  4. Remove the pushrods.
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