Volkswagen Polo Service & Repair Manual: Special Tools

Replacing Reservoir, No Contaminants, No Loss of Refrigerant

  Discharge the refrigerant circuit. –  Replace the restrictor depending on the vehicle. –  Rem ...

Commercially Available Tools and Materials

  Note This list outlines the testers, tools and materials required for expert refrigerant circuit repair work.   ...

Other materials:

A/C Service Station, Emptying
  Caution If it is suspected that chemicals were added to the refrigerant circuit to seal leaks, do not connect the A/C service station and do not extract the refrigerant. ...

Changing a wheel
Fig. 170 Changing the wheel: removing the wheel bolts with the screwdriver handle First read and observe the introductory information and safety warnings Removing the wheel Read the checklist . Loosen the wheel bolts . Jack up the vehicle . Using the hexagonal socket ...

Tires, Rolling Noises, General Information
Rolling noise perceived by the human ear is caused by vibrations transmitted from the noise source to the ear via the air. Here we are interested in noises created by certain characteristics of the tires as well as the effects of rolling ...