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

Volkswagen Golf Service & Repair Manual / Auxiliary heater / Aux. heater/heater booster / Coolant circuit with auxiliary heater / 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

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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:

Removing and installing rear centre console trim
Special tools and workshop equipment required Removing – Move front seats as far forwards as possible. Front-end hook -3370- ...

Assembly overview - belt pulley, Sanden air conditioner compressor
1 - Nut 25 Nm Note In order to protect the thread of the air conditioner compressor drive shaft an additional plastic cap is fitted (not shown in illustration). – To unfasten and tighten the hex ...

Checking inner constant velocity joint
The joint is to be dismantled to renew the grease if it is heavily soiled, or to check the running surfaces of the balls for wear and damage. Note The ball hub and joint body are paired. Mark position in relation to each o ...