Removal and installation of a heater

Vehicles manufactured before 04.1992

1. Remove ground wire from battery.

Attention! At the same time, information in electronic storage devices is erased from memory.

2. Relieve pressure in the cooling system by unscrewing the expansion tank cap.

3. Clamp off the pipes for supplying coolant to the heater.

4. Disconnect two heating hoses from the branch pipes on the bulkhead, while coolant will flow from the heater, which must be collected in a vessel.

5. Drain as much coolant as possible from the heater core by blowing through it.

6. Remove the radiator hose plate and gasket from the bulkhead of the engine compartment.

7. Remove the center console and trim to provide access to the heater control cable.

8. Remove the instrument cluster from the instrument panel.

9. Remove the upper part from the instrument panel.

10. Disconnect the air duct from the heater housing.

11. Unscrew the two nuts securing the heater block. Pull the block into the car until the pipes come out of the engine compartment bulkhead, then move the block to the side.

12. Installation is made in sequence, return to removal.

13. Add fluid to the cooling system.

Vehicles manufactured since 04.1992

1. Remove ground wire from battery.

Attention! At the same time, information in electronic storage devices is erased from memory.

2. Drain the coolant from the cooling system.

3. Loosen the clamps and disconnect the supply and return hoses from the radiator.

4. Unscrew the two screws securing the radiator protection plate and remove the gasket from the bulkhead of the engine compartment.


5. Remove instrument panel.

6. Disconnect the instrument panel harness to access the defroster attachment latches.



7. Unscrew the screw with nut and disconnect each nozzle of the windshield defroster from the heater (the arrows indicate the attachments of the nozzles). Unscrew the two nuts and disconnect the central nozzle from the heater at eye level.

8. Unscrew the two nuts and then disconnect the right nozzle at eye level from the heater. Repeat the same steps for the left nozzle.



9. To disconnect the rear foot warmers from the heater, remove the axle (arrow) from the brace holding the nozzle while supporting the outside of the brace at the back.

Attention! If you do not support the bracket from behind, it will fall inside the attachment after the axle is removed. To get it later, you will need to remove the ventilation duct, for which you will have to remove the front seats and raise the rug.

10. Disconnect the connector from the heater control unit.

11. Unscrew the two nuts securing the heater to the bulkhead of the engine compartment and carefully remove the heater.

12. Installation is made in sequence, return to removal.

13. Add fluid to the cooling system.