2. Drain the refrigerant using a special installation.
3. On a cold engine, drain the coolant from the radiator.
4. Remove the cover (A) expansion valve.
5. Loosen the screws (A) and remove expansion valve (IN) from the evaporator core.
Seal or cap lines immediately after disconnecting them to prevent moisture and dirt from entering them.
Note: Tightening torque: 7.8 - 11.7 Nm.
6. Disconnect the inlet (WITH) and graduation (D) hoses from the heater block.
Attention. After disconnecting the hoses, coolant will flow out, collect it in a clean container. Keep coolant away from electrical parts and paintwork. Otherwise, wash it off immediately.
7. Remove the dashboard.
8. Disconnect the temperature control actuator, mode select actuator, and evaporator temperature sensor connectors.
9. Remove the hood cross member assembly.
10. Turn away three bolts of fastening and remove the block of a heater and the fan.
11. Remove the three screws and remove the block (IN) fan from the heater block.
12. Loosen the fixing screw and remove the cover (A) heater core.
13. Remove the bottom (A) heater housing by unscrewing the screw.
14. Remove core (A) evaporator.
15. Remove the heater core, being careful not to kink the inlet and outlet tubes.
16. Install in the reverse order of removal.
17. Pay attention to the following points:
A. When installing a new evaporator, add compressor oil (ND-OIL8).
B. Replace the O-rings with new ones on each fitting; Apply a thin coat of oil to them before installation. Be sure to use O-rings designed for R-134a refrigerant to prevent leaks.
C. Immediately after using the oil, place the lid on the container and tighten it tightly to prevent moisture from entering.
D. Avoid getting compressor oil on the vehicle as it may damage the paintwork. Otherwise, wash off the oil immediately.
E. Apply sealant to seals.
F. Check for air leakage.
G. Prime the system and check its performance.
H. Do not confuse the heater inlet and outlet hoses, fasten the clamps securely.
I. Add coolant.