gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

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Transfer Case - Hops Out of 4H, No Drive in 2 or 4H|Page 7945 > < Transfer Case - Hops Out of 4H, No Drive in 2 or 4H

K 3500 Truck 4WD V8-454 7.4L VIN N TBI (1995)

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Inspect the oil pump on 4470 model transfer cases. This pump is driven by the main shaft using a flat. The pump should be inspected for the presence of
this flat (Figure 1). It this flat is missing, the pump should be replaced.

Service Procedure

Transfer Case - Hops Out of 4H, No Drive in 2 or 4H|Page 7945 > < Transfer Case - Hops Out of 4H, No Drive in 2 or 4H