VW Golf manuals

Volkswagen Golf Service & Repair Manual: Evaporator

The liquid refrigerant evaporates in the tubes of the evaporator. The latent heat of evaporation is taken from the air streaming past the evaporator fins. The air cools. The refrigerant evaporates and is drawn into the air conditioning system compressor carrying with it the heat it has absorbed.
A restrictor or an expansion valve allows a defined quantity of refrigerant to flow to the evaporator. In systems with an expansion valve, the flow is regulated such that only gaseous refrigerant exits the evaporator.
 

Evaporator

Condenser
The condenser transfers heat from the compressed refrigerant gas to the surrounding air. This allows the refrigerant gas to condense into liquid ...

Reservoir
The reservoir collects the vaporised and gaseous mixture coming from the evaporator to ensure the air conditioner compressor receives only gaseous refrigerant. Gaseou ...

Other materials:

Information stickers and plates
First read and observe the introductory information and safety warnings Safety certificates, stickers and plates showing important vehicle operation information are factory-fitted in the engine compartment and on certain parts such as the tank flap, front passenger sun visor, the driver door ...

Catalytic converter
First read and observe the introductory information and safety warnings The catalytic converter is used for exhaust gas post-treatment and helps to reduce exhaust emissions. To help ensure long-term functionality in the exhaust system and the catalytic converter: Use unleaded petrol onl ...

Cigarette lighter -U1-
The following descriptions apply to the rear left cigarette lighter -U3-, rear right cigarette lighter -U7-, rear cigarette lighter -U9-, 12 V socket 2 -U18-, 12 V socket 3 -U19-, 12 V socket 4 -U20-, cigarette lighter 2 -U25- and 12 V socket 5 -U26- so ...

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