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:

Removing and installing front ashtray
Removing –  Remove front ashtray -1- upwards from centre console -2-. Installing Installation is carried out in reverse order.   ...

Necessity of wheel alignment, multi-link suspension
Wheel alignment is necessary if: The vehicle does not handle properly. Vehicle has been involved in an accident and components have been renewed. Axle components are removed or renewed. ...

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 ...

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