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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Mechanical - 8.1L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Valve Lifter Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: If a new camshaft is installed, replace all the valve lifters.
  1. Coat the valve lifter rollers with lubricant GM U.S. P/N 12345501, Canada P/N 992704, or equivalent.
    IMPORTANT: If reusing the valve lifters, install the lifters in their original location. The valve lifter guide retainer must contact all of the valve lifter guides. If the lifter guide retainer is bent, the valve lifter guide retainer must be replaced.
  2. Install the valve lifters.
    Fig 1: View Of Valve Lifters
    GM470996Courtesy of GENERAL MOTORS CORP.
  3. Install the valve lifter guides over the flats on the valve lifters, making sure the rollers of the valve lifters are properly aligned with the camshaft lobes.
  4. Install the valve lifter guide retainer.
    Fig 2: View Of Valve Lifter Guide Retainer & Bolts
    GM470994Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  5. Install the valve lifter guide retainer bolts.

    Tighten:  Tighten the valve lifter guide retainer bolts to 25 N.m (18 lb ft).

  6. Install the valve rocker arms and pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .

    Install the intake manifold. Refer to Intake Manifold Replacement .

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