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Home >> GMC >> 1983 >> Forward Control 5.7 M, Automatic, 400/M40 >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 5.7L V8 - VIN [L] >> Overhaul >> Hydraulic Valve Lifters

Hydraulic Valve Lifters

  1. Disassemble lifters and thoroughly clean. Inspect all components for wear and damage. If any components are worn or damaged, complete lifter assembly must be replaced. Also, do not interchange parts between lifters.
  2. If push rod seat or lifter body wear is noted, inspect mating engine components for wear. Prior to installing, lubricate bases of lifters with Molykote (or equivalent). See Fig 1.
Fig 1: Cutaway View of Valve Lifter Assembly
G91188Courtesy of GENERAL MOTORS CORP.
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