Hyundai Santa Fe (2006 year). Manual — part 667
HA -46
HEATING, VENTILATION AND AIR CONDITIONING
COMPONENTS
E057B840
1
2
3
4
5
6
7
8
10
9
11
12
13
1. Mode control actuator
2. Mode cam
3. Heater & Evqporator (R)
4. Defrost door
5. Vent door
6. Temp control door (Single type)
7. Temp control door (Dual type)
8. Lower case
9. Water temperature sensor
10. PTC heater
11. Heater core cover
12. Temp control actuator
SCMHA6142L
HEATER
HA -47
1
2
3
4
5
6
7
8
1. Evaporator case seal
2. Evaporator core
3. Evaporator temprature sensor
4. Frame duct seal
5. Heater & Evaporator opper case
6. Temp control actuator
7. Heater & Evaporator case (R)
8. Lower case
SCMHA6143L
HA -48
HEATING, VENTILATION AND AIR CONDITIONING
REPLACEMENT
EBA719FC
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.
A
B
SCMHA6144D
5.
Disconnect the inlet (C) and outlet (D) heater hoses
from the heater unit.
C
D
SCMHA6145D
CAUTION
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.
7.
Remove the cowl cross bar assembly.
8.
Disconnect the connectors from the temperature con-
trol actuator, the mode control actuator and the evap-
orator temperature sensor.
9.
Remove the heater & blower unit after loosening 3
mounting bolts.
SCMHA6146D
10. Remove the blower unit (B) from heater unit after loos-
ening 3 screws.
B
SCMHA6147D
HEATER
HA -49
11. Remove the self-tapping screws (A) and remove the
PTC heater unit (B) or cover. (In case of PTC heater)
B
SCMHA6148D
12. Remove the water temperature sensor. (Refer to HA
- Water temp sensor)
13. Remove the heater core (B) after remove the cover
(A).
A
B
SCMHA6149D
14. Loosen a screw and then remove the heater unit
cover(A).
A
SCMHA6150D
15. Remove the evaporator core(A).
A
SCMHA6151D
16. Be careful that the inlet and outlet pipe are not bent
during heater core removal, and pull out the heater
core.
17. Install the heater core in the reverse order of removal.
18. Installation is the reverse order of removal, and note
these items :
-
If you’re installing a new evaporator, add refriger-
ant oil (ND-OIL8).
-
Replace the O-rings with new ones at each fit-
ting, 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.
-
Immediately after using the oil, replace the cap
on the container, and seal it to avoid moisture
absorption.
-
Do not spill the refrigerant oil on the vehicle ; it
may damage the paint ; if the refrigerant oil con-
tacts the paint, wash it off immediately
-
Apply sealant to the grommets.
-
Make sure that there is no air leakage.
-
Charge the system and test its performance.
-
Do not interchange the inlet and outlet heater
hoses and install the hose clamps securely.
-
Refill the cooling system with engine coolant.
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