Tools Required

J 43181 Quick Connect Connector Removal Tool

1. Drain the engine coolant. Refer to Cooling System Draining and Filling in Engine Cooling.
2. If equipped remove the auxiliary battery. Refer to Auxiliary Battery Replacement in Engine Electrical.



3. Using the J 43181 disconnect the inlet heater hose from the heater core.

3.1.	Install the J 43181 to the heater core pipe.

3.2.	Close the tool around the heater core pipe.

3.3.	Firmly pull the tool into the quick connect end of the heater hose.

3.4.	Firmly grasp the heater hose. Pull the heater hose forward in order to disengage the inlet hose from the heater core.

4. Using the J 43181 disconnect the surge tank outlet hose from the heater core.

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 surge tank outlet hose from the heater core.

5. Remove the accumulator. Refer to Air Conditioning Accumulator Replacement .
6. Remove the instrument panel carrier. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gages and Console.
7. Remove the HVAC module drain hose.
8. Disconnect the electrical harnesses and the ground connections from the HVAC module.



9. Remove the nuts (4) from the HVAC module (2).
10. Remove the bolts (3) from the HVAC module (2).
11. Remove the HVAC module (2) from the vehicle (1).

1. If replacing the HVAC module, transfer the components from the old HVAC module as necessary.
2. Install the HVAC module (2) to the vehicle (1).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

3. Install the nuts (4) to the HVAC module (2).

Tighten
Tighten the nuts to 9 N·m (80 lb in).

4. Install the bolts (4) to the HVAC module (2).

Tighten
Tighten the bolts to 4 N·m (35 lb in).

5. Connect the electrical harnesses and the ground connections.
6. Install the HVAC module drain hose.
7. Install the instrument panel carrier. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gages and Console.
8. Install the accumulator. Refer to Air Conditioning Accumulator Replacement .



9. Install the surge tank outlet hose to the heater core.

Firmly push the quick connect onto the heater core pipe until you hear an audible click.

10. Install the inlet heater hose to the heater core.

Firmly push the quick connect onto the heater core pipe until you hear an audible click.

11. Fill the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.