VW Golf manuals

Volkswagen Golf Service & Repair Manual: Schematic diagram - coolant hoses, Golf and Golf Estate

  Note
The schematic diagram for the entire coolant circuit can be found in the repair group 19 → Rep. gr.19.
Topping up coolant and bleeding coolant circuit → Rep. gr.19 and → Chapter
   
  Note
The -arrows- indicate the direction of coolant flow.

Schematic diagram - coolant hoses, Golf and Golf Estate

1 -  Heat exchanger for heater in heater and air conditioning unit
Incorporation in coolant circuit → Rep. gr.19.
2 -  Auxiliary heater
Removing and installing → Chapter.
3 -  Circulation pump -V55-
The circulation pump -V55- is integrated in the hose assembly of the auxiliary heater.
Removing and installing → Chapter
  Note
For this vehicle (only selected engine types), a Start/Stop system is offered as an optional equipment.
On vehicles equipped with a Start/Stop system, the circulation pump -V55- of the auxiliary heater can be actuated by the auxiliary heater control unit -J364- while the stop function is active. To achieve this, the auxiliary heater control unit -J364- receives a command from the air conditioning system operating unit, the Climatronic control unit -J255- and the air conditioning system control unit -J301- via the data bus to switch on the circulation pump -V55-; vehicle diagnostic tester in “Guided fault finding” mode.
4 -  Coolant supply from engine
Incorporation of auxiliary/supplementary heater in engine coolant circuit → Rep. gr.19.
5 -  Coolant return to the engine
Incorporation of auxiliary/supplementary heater in engine coolant circuit → Rep. gr.19.
Coolant circuit with auxiliary heater
...

Schematic diagram - coolant hoses, Golf GTE
  Note Currently, only the auxiliary heater function is available. At the moment the auxiliary heater is not intended to be operated as a supplemen ...

Other materials:

O-ring
These O-rings seal the joints between the individual components of the refrigerant circuit. Use only seals that are resistant to refrigerant R134a and its associated refrigerant oils. This is assured by using genuine replacement parts. ...

Removing and installing fog light, GTI and GTD
  Note Removal and installation are described for the left side. Removal and installation on the right side are carried out in the same way. Removing –  Switch off ignition. ...

Radiator fan control unit -J293
  Note Available in various designs, sometimes separately.     This control unit switches the magnetic clutch and thus the air conditioner compressor on and off. It controls the radiator fan, an ...

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