Volkswagen Polo Service & Repair Manual: Refrigerant Circuit with Expansion Valve and Evaporator

Refrigerant Circuit Design

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Refrigerant Circuit with Restrictor and Reservoir

1 -  A/C Compressor 2 -  Condenser 3 -  Restrictor 4 -  ...

Other materials:

Run-Flat Tire, Retrofitting/Conditions for use of Run-Flat Tires
  Caution Using run-flat tires on vehicles is permitted only if the run-flat tire is supplied with the vehicle either as standard equipment or as an option. Because pressure ...

Checklist
The following steps should always be carried out in the specified order before working in the engine compartment : Park the vehicle on a level and stable surface. Depress and hold the brake pedal until the engine has stopped. Apply the handbrake firmly Braking, stopping and p ...

Water Content
Only very small amounts of water are soluble in liquid refrigerant. On the other hand, refrigerant vapor and water vapor mix in any ratio. Only a small drop of water may get into the refrigerant circuit. The dryer, dryer bag or dryer car ...