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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1676 (Engine Mechanical - 3.8L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Valve Lifters and Guides Cleaning and Inspection

Valve Lifters and Guides Cleaning and Inspection

WARNING: This page is about a different car, the 2003 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Keep the valve lifters in order so they can be installed in their original position.
    IMPORTANT: When new valve lifters are installed, coat the valve lifters with camshaft and lifter prelube GM P/N United States 12345501, (GM P/N Canada 992704) or the equivalent.
  2. Inspect the following areas of the valve lifters:
    • The retaining clip (1)
    • The push rod socket for wear (2)
    • The valve lifter body for wear and scuffing (3)
    • The valve lifter bore for wear
    • The valve lifter roller assembly for wear (4)
    • The valve lifter roller pin for damage (5)
    • The oil hole for plugging (6)
    Fig 1: Locating Inspection Areas On Valve Lifter Guide
    G01969409Courtesy of GENERAL MOTORS CORP.
  3. Inspect the valve lifter guides for cracks or damage.
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