K 3500 Truck 4WD V8-6.6L DSL Turbo VIN 1 (2001)
8. Remove the water pump bolts. Note the location of the bolts. The bolts are three different lengths.
9. Remove the water pump assembly.
10. Remove the water pump outlet pipe gasket.
Inspection and Repair Procedure
1. Remove the O-ring from the water pump.
2. Remove the water pump to water pump housing bolts.
3. Remove the water pump from the water pump housing.
4. Remove the O-ring from the water pump housing.
5. Clean the water pump assembly.
6. Clean the water pump mating surfaces.
7. Inspect the water pump gear for damage.
8. Inspect the water pump mating surfaces for damage.
9. Inspect the water pump shaft for looseness.
10. Inspect the water pump assembly for damage.
11. Replace the water pump if any damage is found.