VW Golf manuals

Volkswagen Golf Service & Repair Manual: Switch and sender in refrigerant circuit and related connections

  Note
See vehicle-specific refrigerant circuit for switching pressures, removing and fitting switches, together with switch arrangement and versions.
→ Rep. gr.87
   
High-pressure switch for air conditioning system -F23-
Function:
Switches radiator fan to next higher speed when pressure increases in refrigerant circuit (approx. 16 bar).
 

High-pressure switch for air conditioning system -F23

High-pressure switch for magnetic clutch -F118

Function:
In the event of excess pressure in the refrigerant circuit, switches the air conditioner compressor off (at approx. 32 bar).
 

High-pressure switch for magnetic clutch -F118

Extraction and charging valve, low-pressure side
  Note Torque wrench -V.A.G 1783- with 1/4" ratchet adapter -VAS 6234- Appropriate insert -T10364- to remove valve core ...

Low-pressure switch for air conditioning system -F73
Function: In the event of pressure loss in the refrigerant circuit, switches the air conditioner compressor off (at approx. 2 bar). ...

Other materials:

Refrigerant machine oil
Refrigerant machine oil is miscible (approx. 20%–40% depending on the type of air conditioner compressor and the quantity of refrigerant) in the refrigerant. It circulates continuously in the circuit and lubricates the moving parts. ...

Checking holding pressure, engine code CWVA
Special tools and workshop equipment required Removal wedge -3409- Pressure tester -VAS 6550- Connector cable -VAS 6550/3-3- Connector cable -VAS 6550/3-4- Vehicle diagnostic tester   ...

Repairing threaded connections
Special tools and workshop equipment required     VAG 1331   Note The use of penetrating fluid, contact spray or grease etc. is prohibited since the missing ad ...

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