VW Golf manuals

Volkswagen Golf Service & Repair Manual: Removing and installing coolant valve for high-voltage battery -N688-

Volkswagen Golf Service & Repair Manual / Heating, air conditioning / Air conditioner / Coolant circuit / Removing and installing coolant valve for high-voltage battery -N688-

Special tools and workshop equipment required
   
Hose clamps, up to 25 mm -3094-
 

Removing and installing coolant valve for high-voltage battery -N688-

Hose clip pliers -VAS 6362-
Removing
 

Removing and installing coolant valve for high-voltage battery -N688-

–  Observe safety precautions → Chapter „Safety precautions when working on the cooling system“.
–  Disconnect electrical connector -2-.
  Note
Place a cloth underneath to absorb escaping coolant.
–  Unscrew bolts -arrows-.
When the engine is warm, the cooling system is under pressure. Danger of scalding due to steam and hot coolant. There is a risk of injury to the skin and parts of the body due to scalding.Always wear safety gloves.Always wear safety goggles.Proceed as follows to release the pressure: cover the cap of the coolant expansion tank with a cloth, and open it carefully.
–  Clamp off coolant hoses using hose clamps -3094-, and remove coolant hoses. To do this, release hose clips -3-.
–  Remove coolant valve for high-voltage battery -N688-.
Installing
Installation is carried out in the reverse order. When installing, note the following:
  Note
Secure hose connections with hose clips corresponding to the standard version of the equipment → Electronic Parts Catalogue.
–  Check coolant level → Rep. gr.19.
Specified torques
Assembly overview - coolant valves → Rep. gr.19.
 

Removing and installing coolant valve for high-voltage battery -N688-

Incorporation of heat exchanger for high-voltage battery into coolant circuit of high-voltage system
  Note Fill coolant and bleed coolant circuit → Rep. gr.19. The illustration below shows only some of the compone ...

Removing and installing coolant pump for high-voltage battery -V590-
Special tools and workshop equipment required     Hose clamps, up to 25 mm -3094-   ...

Other materials:

Bleeding fuel line to metering pump -V54- (filling with fuel)
  Note Air/fuel vapour in the fuel supply to the auxiliary heater can lead to malfunction when the auxiliary heater is in the sparking mode. To prevent air/fuel vapour from being drawn in by the metering pump -V54- and conveyed to the auxili ...

Assembly overview - rear brake caliper
When carrying out repairs, install all parts supplied in repair kit. Use only methylated spirits for cleaning the brake. New brake calipers are filled with brake fluid and are pre-bled.   ...

Removing and installing tank flap unit, e-Golf
Removing     –  Remove wheel housing liner → Chapter. –  Disconnect connector -2- for switch -3-.         –  ...

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