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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1188 (Engine Mechanical - 5.7L) >> 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 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

Important:  Components that are to be used again must be marked, sorted or organized for assembly.

  1. Mark, sort, or organize the components for assembly. Refer to SEPARATING PARTS  .
  2. Clean the components in cleaning solvent.
    CAUTION: Refer to SAFETY GLASSES CAUTION .
  3. Dry the components with compressed air.
  4. Inspect the valve lifters for the following conditions:
    Fig 1: Inspecting Valve Lifters
    G01970912Courtesy of GENERAL MOTORS CORP.
    • Bent or broken clip (1)
    • Worn pushrod socket (2)
    • Scuffed or worn sides (3)

      If the valve lifter shows wear, inspect the engine block lifter bores for wear or damage.

    • Flat spots on the roller (4)
    • Loose or damaged pin (5)
    • Plugged oil hole (6)
    • Worn or damaged roller bearing

      The roller should rotate freely with no binding or roughness.

  5. Inspect the valve lifter guides for the following:
    • For cracks or damage
    • Excessive wear in the lifter mounting bores
    Fig 2: Inspecting valve lifter guides
    G01970913Courtesy of GENERAL MOTORS CORP.