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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 480 (Engine Mechanical) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Valve Lifters Cleaning and Inspection

Valve Lifters Cleaning and Inspection

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Clean the valve lifters in cleaning solvent.
  2. Dry the valve lifters with compressed air.
  3. Inspect the valve lifters for the following:
    • Bent or broken clip (1)
    • Worn push rod 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.

    Fig 1: Inspecting Valve Lifters For Bent Clip And Worn Push Rod Socket
    G01500745Courtesy of GENERAL MOTORS CORP.
  4. 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 For Cracks And Excessive Wear
    G01500746Courtesy of GENERAL MOTORS CORP.
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