Heater Outlet Hose Replacement
Callout
Preliminary Procedure
1. Drain the cooling system. Refer to "Draining and Filling Cooling System (LY7 GE 47716 Fill)" "Draining and Filling
Cooling System (LY7 Static Fill)".
2. Remove the heater outlet hose clamp from the heater core.
3. Remove the heater outlet hose clamp from the engine.
4. Remove the heater outlet hose clamp from the auxiliary heater pipe.
5. Remove the heater outlet hose clamp from the surge tank.
Outlet heater hose.
1
Tip: The replacement hose is shipped as an assembly including hose connections, clamps and
assembly lubricant to be applied upon installation.
Component Name
Engine Cooling System:
1F-30