Heater Core Case: Service and Repair

HEATER CORE AND EVAPORATOR CORE HOUSING

Removal and Installation
1. Recover the refrigerant. Service and Repair
2. Drain the engine coolant. Service and Repair
3. Remove the instrument panel. Refer to: Body and Frame, Interior Moulding/Trim, Dashboard/Instrument Panel, Service and Repair. Dashboard / Instrument Panel







4. Remove the right side cowl vent screen.







5. Remove the 2 screws and the water shield.







6. Disconnect the vacuum supply hose.
7. Disconnect the heater hoses from the heater core.
8. Disconnect the evaporator outlet spring lock coupling.
- Discard the O-ring seals.







9. Remove the 2 condenser-to-evaporator line bracket bolts.
- To install, tighten to 9 Nm (80 lb-in).

10. Disconnect the evaporator inlet spring lock coupling.
- Discard the O-ring seals.







11. Remove the 3 heater core and evaporator core housing nuts at the dash panel.
- To install, tighten to 7 Nm (62 lb-in).







12. Remove the 2 screws and the heater outlet floor duct.







13. Remove the bolt and nut.
- To install, tighten to 5 Nm (44 lb-in).

14. Remove the heater core and evaporator core housing.
15. To install, reverse the removal procedure.
- Lubricate the coolant hoses with plain water only, if needed.
- Install new O-ring seals.
- Lubricate the refrigerant system with the correct amount of clean PAG oil. Service and Repair

16. Fill the engine cooling system. Service and Repair
17. Evacuate, leak test and charge the A/C system. Service and Repair