Volkswagen Polo Service & Repair Manual: Refrigerant Circuit, Detecting Leaks

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 ...

Searching for Refrigerant Circuit Leaks with Compressed Air or Nitrogen

  Note This repair manual describes different methods for detecting leaks in the refrigerant circuit. These methods have been tested and result in ...

Other materials:

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 ...

Heel and Toe Wear
Heel-and-toe wear is step-like wear of individual tread blocks, due to which an increased rolling noise can develop. The heel-and-toe wear is caused by the uneven distortion of the tread blocks in the contact patch. Heel-and-toe wear appears in more extr ...

Checklist
Always carry out the following actions for changing a bulb in the given order : Park the vehicle on a firm and level surface at a safe distance from the flow of traffic. Apply the handbrake firmly Braking, stopping and parking Brakes Parking . Turn the light switch to positi ...