Removal and Replacement

HEATER CORE AND EVAPORATOR CORE HOUSING

Part 1:

Part 2:

Removal and Installation

NOTE: If a heater core leak is suspected, the heater core must be leak tested before the heater core is removed. Component Tests and General Diagnostics

1. Drain the engine coolant. Service and Repair
2. Recover the refrigerant. Service and Repair
3. Remove the instrument panel. Service and Repair
4. Remove the thermostatic expansion valve (TXV) fitting nut and disconnect the fitting.
- Discard the gasket seals.
- To install, tighten to 15 Nm (11 lb-ft).

5. Release the clamps and disconnect the heater inlet and outlet hoses from the heater core.
6. Remove the 6 heater core and evaporator core housing nuts.
- To install, tighten to 9 Nm (80 lb-in).

7. Remove the heater core and evaporator core housing. Housing Assembly HVAC
1 Detach the heater core and evaporator core housing from the dash panel studs.
2 Rotate the RH side of the heater core and evaporator core housing toward the rear of the vehicle while pulling the housing toward the RH door opening to detach it from the rear footwell duct.
3 Remove the heater core and evaporator core housing.

8. Disassemble the heater core and evaporator core housing as needed. Service and Repair
9. To install, reverse the removal procedure.
- Install new gasket seals.
- Lubricate the refrigerant system with the correct amount of clean PAG oil. Specifications

10. Fill and bleed the engine cooling system. Service and Repair
11. Evacuate, leak test and charge the refrigerant system. Component Tests and General Diagnostics