Sierra Classic 2500 4WD V8-8.1L (2007)
Heater Hose: Service and Repair
Heater Outlet Hose Replacement (L18)
Heater Outlet Hose Replacement (L18)
Tools Required
J 43181 Quick Connect Connector Removal Tool
Removal Procedure
1. Drain the cooling system. Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (w/RPO HP2) Draining
and Filling Cooling System (Vac-N-Fill).
2. Remove the radiator outlet hose from the radiator.