| 1. |
Disconnect the negative (-) battery
terminal. |
| 2. |
Recover the refrigerant with a recovery/
recycling/ charging station. |
| 3. |
When the engine is cool, drain the engine
coolant from the radiator. |
| 4. |
Remove the bolts (A) and the expansion valve
(B) from the evaporator core.
Plug or cap the lines immediately after
disconnecting them to avoid moisture and dust
contamination.
Torque : 0.8 ~ 1.2Kg.m (7.84 ~ 11.76
N.m, 5.78 ~ 8.67 lb.ft)
|
|
| 5. |
Disconnect the inlet (C) and outlet (D)
heater hoses from the heater unit.
|
Engine coolant will run out when the
hoses are disconnected; drain it into a clean drip pan. Be
sure not to let coolant spill on electrical parts or painted
surfaces. If any coolant spills, rinse it off
immediately. | |
| 6. |
Remove the crash pad.
(Refer to BD group-Crash
pad) |
| 7. |
Remove the cowl cross bar
assembly.
(Refer to BD group-Crash
pad) |
| 8. |
Disconnect the connectors from the
temperature control actuator, the mode control actuator and the
evaporator temperature sensor. |
| 9. |
Remove the heater & blower unit after
loosening 3 mounting nuts.
|
| 10. |
Remove the blower unit (B) from heater unit
after loosening 3 screws.
|
| 11. |
Remove the heater core
cover(A).
|
| 12. |
Remove the heater core (A) from the heater
unit.
|
| 13. |
Remove the heater unit cover (A) after
loosening the screw.
|
| 14. |
Remove the evaporator core(A).
|
| 15. |
Be careful that the inlet and outlet pipe
are not bent during heater core removal, and pull out the heater
core. |
| 16. |
Install the heater core in the reverse order
of removal. |
| 17. |
Installation is the reverse order of
removal, and note these items :
| A. |
If you're installing a new evaporator,
add refrigerant oil
(ND-OIL8). |
| B. |
Replace the O-rings with new ones at
each fitting, and apply a thin coat of refrigerant oil before
installing them. Be sure to use the right O-rings for R-134a
to avoid leakage. |
| C. |
Immediately after using the oil,
replace the cap on the container, and seal it to avoid
moisture absorption. |
| D. |
Do not spill the refrigerant oil on
the vehicle ; it may damage the paint ; if the refrigerant oil
contacts the paint, wash it off
immediately. |
| E. |
Apply sealant to the
grommets. |
| F. |
Make sure that there is no air
leakage. |
| G. |
Charge the system and test its
performance. |
| H. |
Do not interchange the inlet and
outlet heater hoses and install the hose clamps
securely. |
| I. |
Refill the cooling system with engine
coolant. | | |
