Dismantling and assembling heater and air conditioning unit

Note There are different designs and makes of heater and air conditioning unit. The individual components of the various heaters and air conditioning units are similar but not identical. The combined fitting of different makes of component is therefore not permissible → Electronic Parts Catalogue. The following illustrations show a “Valeo” heater/air conditioning unit, distinguishing features with respect to other makes → Chapter. Note The illustration shows a left-hand drive vehicle. Dismantling and assembling is basically identical.

1 -	Air distribution housing

Different versions

The combined fitting of different makes of component is not permissible

The following illustrations show the heater unit from “Valeo”.

Depending on vehicle equipment with or without auxiliary air heater element -Z35- with auxiliary air heater control unit -J604-.

Distinguishing makes → Chapter.

2 -	Wiring harness

Different versions. Refer to → Electronic Parts Catalogue.

3 -	Evaporator housing

Note On vehicles without air conditioning system, a flow rate limiter is fitted in place of the evaporator.

4 -

Bolt

Qty. 3.

1 N·m

5 -	Left holder

For heater and air conditioning unit

Removing and installing → Chapter.

6 -

Nut

4,5 N·m

7 -

Nut

4,5 N·m

8 -	Right holder

For heater and air conditioning unit

Removing and installing → Chapter.

9 -	Air intake box

Different versions. Refer to → Electronic Parts Catalogue.

10 -

Bolt

Qty. 2.

1 N·m