LEMON Manuals
: Even more car manuals for everyone: 1960-2025
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GMC
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1981
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Magnavan Automatic Trans, Trans Mfr CD 475/M40
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Repair and Diagnosis
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Engine Performance
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Tune-Up
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Tune-Up - V8
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Valve Clearance
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Notes
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Valve Clearance: Notes
Hydraulic Lifters
One turn down from zero lash.