Heating and Ventilation System, Assembly
Heating And Ventilation System, Assembly
CAUTION:
Before beginning repairs on the electrical system:
- Obtain the anti-theft radio security code.
- Switch off all electrical consumers.
- Switch off ignition and remove ignition key.
- Disconnect negative (-) battery terminal.
- When disconnecting and reconnecting battery terminals, observe all applicable Notes and torque specifications, as well as instructions on performing OBD program and electrical system function checks as specified.
1 - Heating and ventilation controls
- With Fresh Air Blower Switch E9 and Fresh Air Blower/Recirculated Air Switch E184
- Assembly
- Installing and adjusting cables
2 - Dust and pollen filter
3 - Side window air outlet
4 - Side air outlets
5 - Center air outlet console
6 - Instrument panel cross member
- Loosening and tightening
7 - Fresh/Recirculating Air Door Motor V154
8 - Fresh Air Blower V2
9 - Fresh Air Blower Series Resistor With Fuse N24
- First remove Fresh Air Blower V2
10 - Intermediate duct
11 - Cables
- Installing and adjusting
12 - Rear footwell air outlet duct
13 - Gasket
14 - Connecting duct
- With front footwell air outlet
15 - Heating and ventilation unit
- Remove instrument panel
- Carefully pinch off both coolant hoses to heater core and disconnect hoses.
- Loosen instrument panel cross member
- Remove unit
- Disassembly and assembly
16 - Heater core
- Always use new coolant after replacement
- Replacing
17 - Heater core/bulkhead seal
- Note installation position
18 - Defroster duct
- Remove instrument panel
- Loosen instrument panel cross member
19 - Instrument panel
20 - Center air outlet duct
21 - Defroster air outlet panel
Fresh Air Blower V2, removing and installing
1. Heating and ventilation unit
2. Fresh Air Blower V2
3. Cover
4. Screws
5. Fresh air blower series resistance with fuse Fresh Air Blower Series Resistor With Fuse N24
Removing
- Remove glove box.
- 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.
Installing
- Install in reverse order of removal.
Instrument panel cross member, loosening and tightening
- Remove 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 reinstalled 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.
Connecting duct, removing and installing
1. Bolt
2. Connecting duct
3. Rear duct
4. Retainer
5. Cover
6. Bolt
Removing
First do the following:
- Remove glove box.
- Remove steering column trim.
- Remove center air outlet console.
- Remove center console.
- Remove retainer -4-.
- Remove cover -5-.
- Pull connecting piece out towards the drivers side footwell - arrow A -.
Installing
Install in reverse order of removal.