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:

Draining refrigerant circuit using air conditioner service station
  WARNING High-voltage on high-voltage system. Danger of electric shock on air conditioner compressor! Models with a high-voltage system: now de-energise the high-voltage system ...

Safety precautions when working on high-voltage system
Danger to life due to high voltage The high-voltage system is under high voltage. There is a risk of severe or fatal injury due to electric shock. –  Persons with life-preserving or other electronic medical devices in or on their body must not perf ...

Charging battery in refresh charge mode with battery charger -VAS 5903-
  WARNING Danger of injury! Observe warning notices and safety regulations → Chapter!   WARNING It is not permissible ...

© 2016-2021 Copyright www.vwgolf.org