Volkswagen Polo Service & Repair Manual: Refrigerant Circuit with Restrictor and Reservoir

Refrigerant Circuit with Expansion Valve and Evaporator

1 -  Evaporator 2 -  Expansion Valve 3 -  Valve for extracting, filling and measuring ...

Refrigerant Circuit Extraction and Filling Valves for Service Station Couplings

...

Other materials:

Flushing Circuit Block Diagrams
  Note The arrows in the following illustrations show the direction of refrigerant flow while flushing. During flushing, refrigerant flows in the opposite direction than during A/C system operation, therefore the high pressure side of A/C se ...

An economic driving style
First read and observe the introductory information and safety warnings Changing gear earlier In principle, the highest gear is always the most economical gear. A rule of thumb for most vehicles: at a speed of 30 km/h (19 mph) drive in 3rd gear, at 40 km/h (25 mph) in 4th gear and at 50 km/ ...

Tires, Dismounting, Run-Flat Tires and Ultra High Performance Tires
Only trained personnel can perform the assembly work on run-flat tires and ultra high performance tires. If equipped check the tire pressure monitoring sensor with the vehicle diagnostic tester and if necessary replace. ...