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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Chevy Truck
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1986
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Suburban 1/2 Ton 2WD V8-305 5.0L
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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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Excessive Loss of Speed on Incline
Excessive Loss of Speed on Incline
1.
Check vacuum system for leaks and repair as needed.
2.
Test check valve, if equipped, and replace as needed.