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GMC Truck
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1989
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C 3500 Truck 2WD V8-350 5.7L
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Repair and Diagnosis
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Transmission and Drivetrain
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Automatic Transmission/Transaxle
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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No Engine Braking In Low Range
No Engine Braking In Low Range
1. Low-reverse check ball may be missing from control valve assembly.
2. Rear servo may have damaged oil seal ring, bore or piston; leaking, apply
3. Rear
band
broken, burned or not engaged on anchor pins or servo pin.