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GMC R 2500 P/U 2WD V8-379 62L DSL VIN J FI Workshop Manuals

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Throttle Valve Assembly, A/T > < Drive Axle - Premature Wear

R 2500 P/U 2WD V8-379 62L DSL VIN J FI (1987) Speedometer Gear, A/T TSBs - Page 2560

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Speedometer Gear, A/T: Service and Repair

1.

Disconnect speedometer cable or P.M. generator electrical connector at transmission.

2.

Remove retainer bolt, retainer, P.M. generator if equipped, speedometer driven gear and O-ring seal.

3.

Reverse procedure to install, using new O-ring and adjusting fluid level.

Throttle Valve Assembly, A/T > < Drive Axle - Premature Wear