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Home >> GMC >> 1992 >> Forward Control 5.7 K, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 6.2L V8 Diesel - VIN [C] >> Removal & Installation >> Hydraulic Valve Lifters >> Inspection

Hydraulic Valve Lifters: Inspection

  1. Check for nicks, burrs or scoring on parts. Ensure lifter roller operates smoothly without excessive play and contains no flat spots.
  2. Measure lifter oil clearance. If oil clearance is not within specification, replace lifter with .010" ( mm) oversize lifter if resulting oil clearance is within specification. See VALVE LIFTERS table under ENGINE SPECIFICATIONS.
CAUTION: Prime new lifters in kerosene or diesel fuel before installation to prevent damaging lifter when engine is started. After installing guide plate clamps, rotate crankshaft by hand 2 complete turns to ensure free movement of lifters in guide plates.
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