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:
Improvised Tools
Note
This list outlines the testers, tools and materials required
for expert refrigerant circuit repair work.
Caution
Non-approved tools or materials such as leak sealing
additiv ...
Special Tools
Special tools and workshop equipment
required
Torque Wrench 1331 5-50Nm -VAG1331-
Crimping Pliers, Complete -VAS1978/1A-
...
Positive and earth jump lead connection points
Fig. 190 In the engine
compartment: jump lead connection point, positive ⊕
First read and observe the introductory
information and safety warnings
The positive jump lead connection point is in the engine compartment. In
order to establish a suitable earth connection, screw towing eye into ...
