Operation CHARM
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Chevy Truck
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1993
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Suburban 3/4 Ton 2WD V8-454 7.4L
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Tune-up and Engine Performance Checks
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Valve Clearance
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Adjustments
Valve Clearance: Adjustments
These models have a through bolt instead of a stud and adjusting nut. No adjustment is necessary on these engines.