Volkswagen Golf Service & Repair Manual: Dismantling and assembling heater and air conditioning unit

Volkswagen Golf Service & Repair Manual / Heating, air conditioning / Air conditioner / Front heater and air conditioning unit / 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.

Dismantling and assembling heater and air conditioning unit

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 Nm

5 -	Left holder

For heater and air conditioning unit

Removing and installing → Chapter.

6 -

Nut

4.5 Nm

7 -

Nut

4.5 Nm

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 Nm

Removing and installing heater and air conditioning unit

Special tools and workshop equipment required Torque wrench -V.A.G 1331/- (5…50 Nm) & ...

Removing and installing air distribution housing

Note The illustration shows a left-hand drive vehicle. The removal and installation procedure is identical for both versions. ...

Other materials:

Repairs to contact housings using cut and clamp technique
Note For technical reasons, the contact housings for cut and clamp technique can only be supplied with the cut and clamp contacts inserted. These contacts can be removed just l ...

Removing and installing speed sensor on rear axle -G44-/-G46-, vehicles with front-wheel drive
Note Removal and installation is described for the rear left speed sensor. Removal and installation of the rear right speed sensor is analogous. Rear left speed sensor -G46--1-: ...

Balancing wheel, checking radial and lateral run-out on wheel rim
– Attach rim to wheel balancing machine. – Use the centring system for wheel balancing machines -VAS 5271-. – Preload tyre gauge approx. 2 mm. – Tu ...