Heater Water Shutoff Valve Replacement

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedures Drain the cooling system. Cooling System Draining and Filling Heater Water Shutoff Valve Inlet Hose@Heater Water Shutoff Valve - Disconnect [2x] - Heater Water Shutoff Valve Inlet Hose Replacement Heater Water Auxiliary Pump Inlet Hose@Heater Water Shutoff Valve - Disconnect - Heater Water Auxiliary Pump Inlet Hose Replacement
1	Heater Water Shutoff Valve Bracket Bolt [2x] CAUTION: Fastener Caution Tighten 9N.m (80 lb in)
2	Heater Water Shutoff Valve Bracket Procedure Exhaust Hanger Insulator@Heater Water Shutoff Valve Bracket - Remove Engine Wiring Harness@Heater Water Shutoff Valve Bracket - Disconnect
3	Heater Water Shutoff Valve Procedure Electrical Connector@Heater Water Shutoff Valve Bracket - Remove Heater Water Shutoff Valve@Heater Water Shutoff Valve Bracket - Separate NOTE: When removing or replacing the heater shutoff valve, the retainer band clamp must not be separated from the valve assembly. If the retainer band clamp is accidentally released, it must be reinstalled in the position shown by the arrow in the graphic, with two teeth remaining to ensure a proper clamp force.