FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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GMC Truck
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1983
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C 3500 1 Ton Pickup 2WD V8-350 5.7L VIN M 4-bbl
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Repair and Diagnosis
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Cruise Control
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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Diagnosis By Symptom - Cruise Master
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Excessive Loss of Speed on Incline
Excessive Loss of Speed on Incline
1.
Loose throttle linkage. Adjust throttle linkage.
2.
Vacuum hose from source to transducer restricted. Remove restriction or replace hose.