Hyundai Venue: Heater / Heater Unit. Repair procedures

Hyundai Venue (QX) (2020-2024) Service Manual / Heating, Ventilation and Air Conditioning / Heater / Heater Unit. Repair procedures

Replacement
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.
(Refer to Engine Mechanical System - "Coolant")
4.
Remove the engine cover.
(Refer to Engine Mechanical System - "Engine Cover")
5.
Remove the bolts and the expansion valve (A) from the evaporator core.
6.
Remove the bolts and the expansion valve (A) from the evaporator core.
Tightening torque :
8.8 - 13.7 N.m (0.9 - 1.4 kgf.m, 6.5 - 10.1 Ib-ft)
Hyundai Venue. Heater Unit. Repair procedures   
•
Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination.
•
When installing, replace with a new O-ring.

Hyundai Venue. Heater Unit. Repair procedures
7.
Press the lock pin and separate the heater hoses (A) from the heater unit.
Hyundai Venue. Heater Unit. Repair procedures   
•
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.

Hyundai Venue. Heater Unit. Repair procedures
8.
Loosen the cowl cross member mounting bolts.

Hyundai Venue. Heater Unit. Repair procedures
9.
Remove both sides of the front pillar trim.
(Refer to Body - "Front Pillar Trim")
10.
Remove the floor console assembly.
(Refer to Body - "Floor Console Assembly")
11.
Remove the front air duct (A).

Hyundai Venue. Heater Unit. Repair procedures
12.
Remove the cowl side trim.
(Refer to Body - "Cowl Side Trim")
13.
Remove the shift lever assembly.
(Refer to Automatic Transmission System - "Shift Lever")
14.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
15.
Remove the steering column shroud lower panel.
(Refer to Body - "Steering Column Shroud Panel")
16.
Remove the steering wheel.
(Refer to Steering System - "Steering Wheel")
17.
Remove the multifunction switch.
(Refer to Body Electrical System - "Multifunction Switch")
18.
Lower the steering column after loosening the mounting bolts.
(Refer to Steering System - "Steering Column and Shaft")
19.
Remove the glove box.
(Refer to Body - "Glove Box")
20.
Disconnect the airbag control module (SRSCM) connector (A).

Hyundai Venue. Heater Unit. Repair procedures
21.
Disconnect the connectors (A) and the mounting clips in the front pillar.
[LH]

Hyundai Venue. Heater Unit. Repair procedures

[RH]

Hyundai Venue. Heater Unit. Repair procedures
22.
Disconnect the junction box connectors (A).

Hyundai Venue. Heater Unit. Repair procedures
23.
Disconnect the multi box connectors (A).
[LH]

Hyundai Venue. Heater Unit. Repair procedures

[RH]

Hyundai Venue. Heater Unit. Repair procedures
24.
Disconnect the heater & blower unit connectors.
[LH]
1)
Disconnect the PTC heater connector (A).

Hyundai Venue. Heater Unit. Repair procedures
2)
Disconnect the mode actuator connector (A).

Hyundai Venue. Heater Unit. Repair procedures
[RH]
1)
Disconnect the blower motor connector (A).

Hyundai Venue. Heater Unit. Repair procedures
2)
Disconnect the temperature control actuator connector (A) and power mosfet connector (B).

Hyundai Venue. Heater Unit. Repair procedures
3)
Loosen the blower unit mounting bolts and drain hose (A).

Hyundai Venue. Heater Unit. Repair procedures
25.
Loosen the bolts and remove the main crash pad and cowl cross bar assembly (A) together.

Hyundai Venue. Heater Unit. Repair procedures
26.
Press the lock pin and disconnect the intake actuator (A).

Hyundai Venue. Heater Unit. Repair procedures
27.
Loosen the heater & blower unit mounting bolt.
Tightening torque :
16.7 - 25.5 N.m (1.9 - 2.6 kgf.m, 12.7 - 18.8 Ib-ft)

Hyundai Venue. Heater Unit. Repair procedures
28.
Loosen the mounting nuts and remove the heater & blower unit (A) from the crash pad.
Tightening torque :
3.9 - 5.9 N.m (0.4 - 0.6 kgf.m , 2.9 - 4.3 lb-ft)

Hyundai Venue. Heater Unit. Repair procedures
29.
Loosen the mounting screw and separate the heater unit (B) from the blower unit (A).

Hyundai Venue. Heater Unit. Repair procedures
30.
Install in the reverse order of removal.

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