Sierra 1500 2WD V8-5.3L VIN Z Flex Fuel (2006)
Important: All gaskets surfaces are to be free of oil or other foreign material during assembly.
1. Install the water pump and NEW gaskets.
Notice: Refer to Fastener Notice in Service Precautions.
2. Install the water pump bolts.
1. Tighten the bolts a first pass to 15 Nm (11 ft. lbs.).
2. Tighten the bolts a final pass to 30 Nm (22 ft. lbs.).
3. Install the heater inlet hose to the water pump.
4. Position the heater inlet hose clamp at the water pump.
5. Install the surge tank outlet hose to the water pump.
6. Position the surge tank outlet hose clamp at the water pump.