Removal and Replacement

Heater Core and Evaporator Core Housing, Removal and Installation

REMOVAL

All Vehicles

1. Disconnect the battery ground cable.

2. Carry out the air conditioning recovery procedure.


Right-hand vehicles without supercharger

3. Remove the heater hose.

Left-hand vehicles and vehicles with supercharger





4. Drain the cooling system.

5. Disconnect the heater hoses from the heater core and evaporator housing.

Vehicles with supercharger

6. Remove the throttle body.

All vehicles





7. NOTE: Cap the air conditioning ports.
Disconnect the expansion valve manifold and tube assembly.
- Remove and discard the O-ring seals.





8. Remove the heater core and evaporator core housing retaining nut.





9. Remove the heater core and evaporator core housing retaining nut.





10. Remove the heater core and evaporator core housing retaining nut.

11. Remove the instrument panel.





12. Detach the rear footwell ducts.
- Remove the pin-type retainers.
- Detach the rear footwell ducts.





13. Remove the engine control module (ECM) retaining bracket.





14. Remove the heater core and evaporator core housing retaining bolt.





15. Disconnect the heater core and evaporator core housing electrical connector.





16. NOTE: The heater core and evaporator core housing will still contain coolant. Protect the interior of the vehicle from any spillages.
Remove the heater core and evaporator core housing.

INSTALLATION

All vehicles





1. Install the heater core and evaporator core housing.

2. Connect the heater core and evaporator core housing electrical connector.





3. Install the heater core and evaporator core housing retaining bolt.
- Tighten to 7 Nm.





4. Install the ECM retaining bracket.





5. Attach the rear footwell ducts.
- Install the pin-type retainers.

6. Install the instrument panel.





7. Install the heater core and evaporator core housing retaining nut.
- Tighten to 7 Nm.





8. Install the heater core and evaporator core housing retaining nut.
- Tighten to 7 Nm.





9. Install the heater core and evaporator core housing retaining nut.
- Tighten to 7 Nm.





10. NOTE: Uncap the air conditioning ports.
Connect the expansion valve manifold and tube assembly.
- Install new O-ring seals.
- Tighten to 8 Nm.

Vehicles with supercharger

11. Install the throttle body.

Left-hand drive vehicles and vehicles with supercharger





12. Connect the heater hoses to the heater core and evaporator core housing.

13. Carry out the cooling system filling and bleeding procedure.

Right-hand drive vehicles without supercharger

14. Install the heater hose.

All Vehicles

15. Carry out the air conditioning evacuation and charge procedure.
16. Connect the battery ground cable.