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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 721 (Engine Mechanical - 8.1L (On-Vehicle)) >> Repair Instructions >> Valve Lifter Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 GMC Yukon XL, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: If a new camshaft is installed, replace all the valve lifters.
    Fig 1: View Of Valve Lifters
    GM470996Courtesy of GENERAL MOTORS CORP.
    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.
  1. Coat the valve lifter rollers with lubricant GM U.S. P/N 12345501, Canada P/N 992704, or equivalent.
  2. Install the valve lifters.
  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. Fig 2: View Of Valve Lifter Guide Retainer & Bolts
    GM470994Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  4. Install the valve lifter guide retainer.
  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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