Silverado 1500 2WD V6-4.3L (2007)
10. Remove the water pump bolts.
11. Remove the water pump.
12. Remove and discard the water pump gaskets.
13. Clean and inspect the water pump, if necessary. Refer to Water Pump Cleaning and Inspection.
Installation Procedure
1. If reusing the old fasteners, apply sealant GM P/N 12346004, (Canadian P/N 10953480), or equivalent to the threads of the water pump bolts.
2. Install NEW water pump gaskets and the water pump.
Notice: Refer to Fastener Notice.
3. Install the water pump bolts.
Tighten the bolts to 45 N.m (33 lb ft).
4. Using J 41240, hold the water pump pulley, install the water pump pulley bolts.
Tighten the bolts to 25 N.m (18 lb ft).
