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GMC Truck
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1989
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G 3500 1 Ton Van V8-454 7.4L
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Repair and Diagnosis
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Maintenance
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Fluids
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Fluid - A/T
Fluid - A/T
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Service and Repair
3L80/3L80HD (400/475) Automatic Transmission
Adding Fluid to Fill Dry Transmission & Converter
Checking & Adding Fluid
Fluid Change
4L60 (700-R4) Automatic Transmission
Changing Oil
Fluid Change Intervals
Specifications
Technical Service Bulletins
