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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Engine Mechanical - 4.3L) >> 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: Valve Lifters & Guides
    GM188118Courtesy of GENERAL MOTORS CORP.
  1. Mark, sort, and organize the components for assembly.
    2. CAUTION: Refer to SAFETY GLASSES CAUTION .
  2. Clean the components in cleaning solvent.
  3. Dry the components with compressed air.
    4. Fig 2: Valve Lifter Pushrod Guides
    GM334500Courtesy of GENERAL MOTORS CORP.
  4. Inspect the valve lifter pushrod guides for excessive wear.
  5. Inspect the valve lifter pushrod guides for cracks or damage.
    6. Fig 3: Inspecting Areas Of Valve Lifters
    GM178485Courtesy of GENERAL MOTORS CORP.
  6. Inspect the valve lifter for the following:
    • Broken or damaged clip (1)
    • Worn pushrod socket (2)
    • Scuffed or worn lifter body (3)

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

    • Worn roller (4)
    • Loose or damaged pin (5)
    • Plugged oil hole (6)
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