2003 Chevy C 1500 P/U HVAC Module Assembly Replacement

download REMOVAL PROCEDURE 1. Drain the engine coolant. 2. Using the J 43181 disconnect the inlet heater hose from the heater core. 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. [...]