Volkswagen Polo Service & Repair Manual: Refrigerant R134a

Refrigerant R134a Vapor Pressure Table

The vapor pressure table for every refrigerant is published in literature for refrigeration system engineers. This table makes it possible to determine the vapor pres ...

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 ref ...

Other materials:

Test after driving for 10 minutes
First read and observe the introductory information and safety warnings Reconnect the tyre filler hose and check the tyre pressure on the tyre pressure display ⑥. 1.3 bar (19 psi / 130 kPA) and lower: Do not drive on! The tyre cannot be sealed adequately with the breakdown set. ...

Maintenance Test, Performing
  WARNING Do not check or charge batteries that have a visual indicator that is bright yellow. Jump starting must not be used! There is a risk of explosion during testing, cha ...

Removing the ball coupling
First read and observe the introductory information and safety warnings Unhitch the trailer . Remove the cover from the lock on the handwheel. Insert the key ⑧ into the lock and turn it clockwise. Hold the ball coupling tightly in your left hand . Use your right ha ...