C 3500 Truck 2WD V8-6.6L DSL Turbo VIN 1 (2002)
IMPORTANT: Be careful not to damage any mating surfaces.
30. Remove fuel injection pump from the block using two screwdrivers to work the pump from the block towards rear of engine keeping the pump
straight.
31. Remove fuel injection pump.
PREPARING THE FUEL PUMP
1. Hold the fuel pump by the drive gear in a vice with copper jaw liners.
2. Loosen the gear nut until the nut is even with the end of the gear shaft.
3. Remove the gear from the tapered shaft of the pump.
4. Separate the pump and adapter by removing the three bolts and spacers.
5. Inspect the O-ring for damage on pump adapter and replace, if necessary. Lubricate the O-ring with clean engine oil.
6. Clean all mating surfaces.
7. Install the adapter on the pump.
NOTE: Refer to Fastener Notice in Service Precautions.
8. Using the three bolts and spacers, reassemble the pump.
Tighten
Tighten the bolts to 20 N.m (15 lb ft).
9. Replace gear and nut.
