Heating and Ventilation Unit, Assembly

Heating And Ventilation Unit, Assembly







1. Heater core
- Always replace coolant after removal/replacement
- Replacing:
- Remove instrument panel.
- Loosen instrument panel cross member see Instrument panel cross member, loosening and tightening
- Carefully pinch off both coolant hoses to heater core and disconnect hoses.
- Seal off heater core to prevent coolant from running out

CAUTION: The cooling system is pressurized when the engine is warm. Wear gloves and other protection and carefully release system pressure if necessary, before performing repairs.

- Partially remove heating and ventilation unit.
- Press retainer clips and remove heater core.

2. Self tapping screw
- Use if retainer clips break
3. Air distribution housing
4. Servo motor for fresh/recirculating air door -V154-
5. Self tapping screw
6. Fresh air blower -V2-
- Removing see Fresh air blower -V2-, removing
7. Cover
8. Self tapping screw
9. Series resistor -N24-
- Removing see Fresh air blower -V2-, removing
10. Sheet metal screw
11. Central flap lever
- Installing and adjusting see Fig. 1
12. Temperature flap lever
13. Base plate
14. Heater core/bulkhead seal
- Installation position see Fig. 2

Fig. 1 Central flap lever, installing and adjusting







The central flap pinion has an adjustment mark.

- Install the lever so that the notches on the lever and the pinion align -arrows-.

Fig. 2 Heater core/bulkhead seal, installation position







The seal between the heater core and the bulkhead has a positioning mark.

- Install seal -1- so that the notches on the seal and the base plate -2- align -3-.

Servo motor for fresh/recirculating air door -V154-, removing and installing

Removing
- Remove glove box.







- Disconnect electrical connector -1-.
- Remove screw -3-.
- Swing motor -2- downward.
- Disconnect motor -2- from fresh air/recirculating air flap lever.

Installing
- Engage flap motor -2- with fresh air/recirculating air lever.
- Position fresh air/recirculated air flap lever by hand depending on position of flap motor.
- Install screw -3-.