Chevrolet Silverado / GMC Sierra. Service manual — part 1667

Fig. 210: View Of Water Pump, Bolts & Gaskets
Courtesy of GENERAL MOTORS CORP.

18. Remove the water pump bolts (301).

19. Remove the water pump (300) and gaskets (309). Discard the gaskets.

Installation Procedure

NOTE:

DO NOT use cooling system seal tabs, or similar compounds,
unless otherwise instructed. The use of cooling system seal tabs,
or similar compounds, may restrict coolant flow through the
passages of the cooling system or the engine components.
Restricted coolant flow may cause engine overheating and/or
damage to the cooling system or the engine components/assembly.

IMPORTANT: All gaskets surfaces are to be free of oil or other foreign material

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 211: View Of Water Pump, Bolts & Gaskets
Courtesy of GENERAL MOTORS CORP.

1. Position the water pump (300) and NEW gaskets (306) to the engine block.

2. Install the water pump bolts (301).

Tighten:

1. Tighten the bolts a first pass to 15 N.m (11 lb ft).

2. Tighten the bolts a final pass to 30 N.m (22 lb ft).

during assembly.

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 212: View Of Heater Inlet Hose, Clamp & Waterpump
Courtesy of GENERAL MOTORS CORP.

3. Position and install the heater inlet hose (2) to the water pump.

4. Position the heater inlet hose clamp (1) at the water pump.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 213: View Of Radiator Surge Tank Outlet Hose, Clamp & Water Pump
Courtesy of GENERAL MOTORS CORP.

5. Position and install the radiator surge tank outlet hose (2) to the water pump.

6. Position the radiator surge tank outlet hose clamp (1) at the water pump.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado