Assembly overview - evaporator housing

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 illustration shows a “Valeo” evaporator housing, distinguishing features with respect to other makes of heater and air conditioning unit → Chapter. The illustration shows a left-hand drive vehicle.

1 -	Evaporator housing, lower part

2 -	Evaporator

Only if air conditioning system is fitted.

Check foam seals for damage and proper attachment

Removing and installing → Chapter.

3 -	Sealing ring

Only on vehicles with air conditioning system.

Renewing; for versions, refer to → Electronic Parts Catalogue.

Before fitting a seal, coat lightly with refrigerant oil

4 -	Retaining plate

Only if air conditioning system is fitted.

For securing refrigerant lines and expansion valve.

5 -	Expansion valve

Only if air conditioning system is fitted.

Removing and installing → Chapter.

6 -

Bolt

Only if air conditioning system is fitted.

Qty. 2.

10 N·m

7 -	Sealing and insulation

Heat insulation for expansion valve.

There is no opening for the expansion valve in the plenum chamber back wall seal or this is closed off by a foam pad on vehicles with no air conditioner

8 -	Sealing ring

Only on vehicles with air conditioning system.

Renewing; for versions, refer to → Electronic Parts Catalogue.

Before fitting a seal, coat lightly with refrigerant oil

9 -

Bolt

Qty. 8.

1,5 N·m

10 -	Evaporator housing, upper part

11 -	Flow rate limiter

Only on vehicles with no air conditioning system installed