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:

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  Note There are different designs and makes of heater and air conditioning unit. The individual components of the various heaters and air conditioning units are similar but not identical (distinguishing features → Chapter). The c ...

Removing and installing head restraint guide
  Note 2 commercially available screwdrivers with a blade height of 0.4 mm and a blade width of 8 mm are required for removal.     Removing –  Remove rear ...

Identification
Engine number, engine data Engine code CJZA CJZB CYVA CYVB CHPA CMBA Emission standards EU 5 plus EU 5 plus EU 6 EU 6 EU 5, ULEV 2 EU 5 Capacity l 1.2 1.2 1.2 1.2 1.4 1.4 Output ...

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