Avalanche 2500 4WD V8-8.1L VIN G (2003)
Heater Hose: Service and Repair
Heater Hose Replacement - Outlet (Avalanche/XLT L18)
TOOLS REQUIRED
J 43181 Quick Connect Connector Removal Tool
REMOVAL PROCEDURE
1. Drain the cooling system.
2. Remove the air intake tube.
3. Remove the heater and surge tank hose from the mounting clip.
4. Using the J 43181 disconnect the heater hoses from the heater core outlet.
4.1.
Install the J 43181 to the heater core pipe.
4.2.
Close the tool around the heater core pipe.
4.3.
Firmly pull the tool into the quick connect end of the heater hose.
4.4.
Firmly grasp the heater hose. Pull the heater hose forward in order to disengage the hose from the heater core.
5. Remove the outlet heater hose from the radiator.
6. Remove the outlet heater hose (1).
INSTALLATION PROCEDURE
