Heating and Ventilation System, Assembly

CAUTION!
Before beginning repairs on the electrical system:
- Obtain the antitheft radio security code.
- Switch the ignition off.
- Disconnect the battery Ground (GND) strap.
- After reconnecting battery, recode and check operation of anti-theft radio. Also check operation of clock and power windows.


1 - Heating and ventilation controls
- With fresh air blower switch -E9- and switch for fresh air blower and recirculating air -E184-
- Removing and installing
- Assembly
- Installing and adjusting cables
2 - Dust and pollen filter
- Removing and installing
3 - Side window air outlet
- Removing. Refer to "Air Outlets, Removing" Service and Repair
4 - Side air outlets
- Removing. Refer to "Air Outlets, Removing" Service and Repair
5 - Center air outlet console
- Removing. Refer to "Air Outlets, Removing" Service and Repair
6 - Instrument panel cross member
- Loosening and tightening, refer Fig. 5.
7 - Servo motor for fresh/recirculating air door -V154-
- Removing and installing A/C Refrigerant System, Servicing
8 - Fresh air blower -V2-
- Removing, refer Fig. 4
9 - Fresh air blower series resistance with fuse -N24-
- Removing, refer Fig. 4, Fresh air blower -V2-, removing
10 - Intermediate duct
11 - Cables
- Installing and adjusting, A/C Refrigerant System, Servicing
12 - Rear footwell air outlet duct
13 - Gasket
14 - Connecting duct
- With front footwell air outlet
- Removing Service and Repair
15 - Heating and ventilation unit
- Removing:
- Remove instrument panel
- Carefully pinch off both coolant hoses to heater core and disconnect hoses.
- Loosen instrument panel cross member refer Fig. 5
- Remove unit
- Disassembly and assembly
16 - Heater core
- Always use new coolant after replacement
- Replacing
17 - Heater core/bulkhead seal
- Note installation position, refer Fig. 2 in Heating and Ventilation Unit, Assembly
18 - Defroster duct
- Replacing:
- Remove instrument panel
- Loosen instrument panel cross member, refer Fig. 5
19 - Instrument panel
- Removing and installing
20 - Center air outlet duct
21 - Defroster air outlet panel
- Removing

Fig. 4 Fresh air blower -V2-, removing







1 - Heating and ventilation unit
2 - Fresh air blower -V2-
3 - Cover
4 - Screws
5 - Fresh air blower series resistance with fuse -N24-

Removing
- Remove glovebox.
- Remove screws -4- and remove cover -3-
- Remove cover containing series resistor -5- and disconnect electrical connector.
- Disconnect electrical connector from fresh air blower -2-.
- Remove fresh air blower series resistor -5-.
- Pull fresh air blower out downwards.

Fig. 5 Instrument panel cross member, loosening and tightening







- Remove securing bolts -arrows-.
- Tightening torque 25 Nm (18 ft lb)

To access or remove heating and ventilation unit, lift cross member in direction of -arrow A- and support.


NOTE:
- To prevent damage to the steering column, work should be done with aid of another technician.
- If removed component(s) are not to be re-installed immediately, secure the cross member to the bulkhead.
- Any wiring harnesses released from their retainers must be secured again at the same point, using the same method of securing.