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:

Current Draw Test
  WARNING Batteries that have a light yellow visual indicator do not have to be tested or charged. Jump starting must not be used! There is a risk of explosion during testing, ...

Hill Hold Assist
First read and observe the introductory information and safety warnings The Hill Hold Assist function actively holds the vehicle when pulling away on an incline. The Hill Hold Assist function is automatically activated if the following conditions are met Cond ...

Primary Lock
The primary lock is the locking mechanism of an individual crimp contact in the contact housing. If necessary, housing securing mechanisms (secondary locks) must be released or removed using specified tool before releasing the contacts. ...