Volkswagen Polo Service & Repair Manual: A/C Service and Recycling Units

Pressure Gauge, Tests and Measurements

Indicators on pressure gauge 1 -  Temperature scale for refrigerant R134a CF3–CH2F or CH2F–CF3. 2 -&nb ...

Extraction System Group Classifications

At this time, A/C service units for extracting, cleaning and filling refrigerant for motor vehicle A/C systems are available from various manufacturers. ...

Other materials:

Pressures, Checking
  Note Check cooling performance. The A/C system is functioning correctly when the air flowing from the instrument panel vents has a temperature of 70C or lower. Setting on Climatronic “LO”. ...

Tires, Bringing to Mounting Temperature
  Caution There is a risk of damaging tires with strong heat. Never heat the tires with a heater or a hot air gun. Warm tires with warm water or warm ...

Flat Spots
What is a Flat Spot From Standing? Terms like flat portion, flattening, are also used as a term for flat spots from standing. Flat spots from standing cause vibration, like an incorrectly balanced wheel. It is important ...