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Fig. 69: View Of Water Pump, Housing & O-Ring 1. Remove the O-ring from the water pump and discard. 2. Remove the water pump to water pump housing bolts. 3. Remove the water pump from the water pump housing.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
4. Remove the O-ring from the water pump housing and discard. Fig. 70: View Of Water Pump Inspection Areas 5. Clean the water pump assembly.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 71: View Of Water Pump, Housing & O-Ring 12. Install a new O-ring to the water pump housing. 13. Lubricate the O-ring with engine coolant. 14. Install the water pump to the water pump housing.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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