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

Volkswagen Golf Service & Repair Manual / Heating, air conditioning / Heating / Heater unit / Dismantling and assembling heater unit

It is not necessary to extract the refrigerant and to remove or disassemble the expansion valve and the evaporator. Further procedure is identical with procedure for vehicles with air conditioning system → Chapter.

Checking auxiliary air heater element -Z35- with auxiliary air heater control unit -J604-

Checking is the same as for a vehicles with air conditioning system → Chapter.

Removing and installing auxiliary air heater element -Z35- with auxiliary air heater control unit -J604-

Removal and installation are identical with procedure for vehicles with air conditioning system → Chapter.

Removing and installing heat exchanger

Removal and installation are identical with procedure for vehicles with air conditioning system → Chapter.

Removing and installing baffle plate

Removal and installation are identical with procedure for vehicles with air conditioning system → Chapter.

Assembly overview – heater unit

Note There are different designs and makes of heater. The individual components of the various heaters are similar but not identical. The combine ...

Air duct

Assembly overview - air duct and air distribution in passenger compartment The assembly overview for air duct and air distribution is identical ...

Other materials:

Without needing to purge refrigerant circuit of contaminants (e.g. damage in an accident); no refrigerant has escaped and no moisture or dirt has entered refrigerant circuit
Drain refrigerant circuit. – Renew restrictor. Depending on vehicle – Remove receiver or reservoir. – Clean any dirt out of receiver or reservoir. ...

Working with the air conditioner service station
Caution If there is evidence to suggest that chemical substances have been added in the vehicle to seal leaks, do not connect the air conditioner service station and do not extract the refrigerant. ...

Removing and installing speed sensor on rear axle -G44-/-G46-, vehicles with four-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. Removing – Raise vehicle. &nbs ...