Contents: Refrigeration unit* ⬇ Additional heaters ⬇
Type, volume and characteristics of antifreeze and coolant — see Specifications to Chapter 1
Opening pressure of the valve in the expansion tank cap, bar — 1.4 - 1.6
Pressure for checking the cooling system for leaks, bar - 1.0
Refrigeration unit*
Refrigerant type - R134a
Amount of refrigerant (when refueling, all compressors), g — 525±25
Type of refrigeration oil (according to VW specification)
- Compressor Denso - G 052 300 A2
- Delphi and Sanden compressors - G 052 154 A2
Total volume of refrigeration oil**, cm³
- Compressor Denso 1 KO 820 859 S — 140±10
- Compressor Denso 1 KO 820 859 T — 90±10
- Compressor Sanden 1 KO 820 859 F(Q) — 110±10
- Compressor Delphi (Sanden) 5N0 820 803 — 110±10
Distribution shares of refrigeration oil among refrigeration unit components***
- Compressor - 50%
- Capacitor - 10%
- Suction hose - 10%
- Evaporator - 20%
- Receiver - 10%
* Information about the type and amount of refrigerant used in a specific vehicle is also indicated on a sticker in the front left corner of the engine compartment.
** This volume is contained in the replacement compressor and corresponds to the total volume.
*** Oil is automatically distributed from the compressor in the appropriate proportions after the first engine start.
Additional heaters
Note: The basic data of the additional heater are indicated on the nameplate located on its body and duplicated on the front panel of the engine compartment. Consumption of the metering fuel pump V54, ml per 2 min 22-28
Resistance of the fuel metering pump V54, Ohm - 5.2