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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 88 (3.3L V6 CNG - VIN [J]) >> Overhaul >> Valve Train >> Valve Lifters

Valve Lifters

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, and 1995 Dodge Caravan. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect valve lifter roller for damage. Ensure valve lifter O.D., oil clearance and cylinder block bore diameter is within specification. See VALVE LIFTERS SPECIFICATIONS  table under ENGINE SPECIFICATIONS. Inspect valve lifter bore in cylinder block and outside surface of valve lifter for scoring.
  2. If scoring exists or bore diameter is not within specification, ream cylinder block bore for next oversize valve lifter. Oversize valve lifters are available in .001" (.02 mm), .008" (.20 mm) and .030" (.76 mm) sizes.
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