Operation CHARM
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Chevrolet
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1987
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Astro Van M V6-262 4.3L
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Valve Clearance
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Specifications
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Valve Clearance Specifications
Valve Clearance Specifications
This engine uses hydraulic lifters. To properly set lifter plunger, turn rocker arm stud nut until valve lash is eliminated, then tighten one additional turn.