K 3500 Truck 4WD V8-6.6L DSL Turbo VIN 1 (2001)
Heater Hose: Service and Repair
Heater Hose Replacement - Outlet
TOOLS REQUIRED
J 43181 Quick Connect Connector Removal Tool
REMOVAL PROCEDURE
1. Drain the cooling system. Refer to Draining and Filling Cooling System.
2. Remove the air intake tube.
3. Remove the heater and surge tank hoses from the mounting clip.
4. Using the J 43181 disconnect the heater hoses from the heater core inlet and outlet.
4.1. Install the J43181 to the heater core pipes.
4.2. Close the tool around the heater core pipes.
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 nut (2) from the engine.
Discard the nut.
6. Remove the outlet heater hose bolt (3) from the engine.
Discard the bolt.
7. Remove the auxiliary outlet heater hose if equipped.
8. Remove the outlet heater hose from the outlet pipe assembly.
9. Remove the heater hose.
