Volkswagen Polo Service & Repair Manual: Checking with Expansion Valve and Receiver/Dryer, without Regulated A/C Compressor

Checking with Expansion Valve and Receiver/Dryer, with Internally Regulated A/C Compressor

  Note Connecting service station. Refer to → Chapter „Connecting Service Station“. Observe test requirements ...

Test Requirements

Radiator and condenser are clean (clean if necessary). The ribbed belt for the A/C compressor and alternator tensioned correctly. ...

Other materials:

Refrigerant R134a Physical Data
Vehicle air conditioning systems make use of the vaporization and condensation process. In this case, one works with a substance which boils easily, designated as refrigerant. The refrigerant employed is tetrafluoroethane R134a, which bo ...

Tire Sidewall Swelling
A swelling in the flank of the tire indicates that the substructure of the carcass has been damaged.     Typical causes for such damage include, for example, driving over curbs at a sharp angle. ...

Handling Pressure Vessels
Secure vessels to prevent them falling over! Secure upright cylinders to stop them falling over and cylinders lying flat to stop them rolling away. Do not throw vessels! If dropped, the vessels cou ...