Silverado 3500 2WD V8-6.6L DSL Turbo VIN 2 (2004)
Heater Hose: Service and Repair
Heater Hose Replacement - Inlet (With RPO Code HP2 Rear)
HEATER HOSE REPLACEMENT - INLET (W/ HP2 REAR)
TOOLS REQUIRED
J 43181 Quick Connect Connector Removal Tool
REMOVAL PROCEDURE
1. Drain the cooling system. Refer to Draining and Filling Cooling System (with HP2)Draining and Filling Cooling System (without HP2) in Cooling
System.
2. Using the J 43181 disconnect the heater hose from the heater core inlet.
2.1.
Install the J 43181 to the heater core pipe.
2.2.
Close the tool around the heater core pipe.
2.3.
Firmly pull the tool into the quick connect end of the heater hose.
2.4.
Firmly grasp the heater hose. Pull the heater hose forward in order to disengage the hose from the heater core.
3. Reposition the inlet heater hose clamp (2) from the auxiliary water pump (1).
4. Remove the inlet heater hose (3) from the auxiliary water pump (1).
INSTALLATION PROCEDURE
