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Home >> Pontiac >> 2008 >> Grand Prix GXP >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical - 3.8L) >> Repair Instructions - Off Vehicle >> Valve Lifters and Guides Cleaning and Inspection

Valve Lifters and Guides Cleaning and Inspection

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Valve Lifter Inspection Areas
    GM178485Courtesy of GENERAL MOTORS CORP.
  1. Keep the valve lifters in order so they can be installed in their original position.
    2. 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)
  3. Inspect the valve lifter guides for cracks or damage.
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