Volkswagen Polo Service & Repair Manual: Electrical Components Not on Refrigerant Circuit

A/C Compressor Regulator Valve -N280

  Note For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit. ...

A/C Programmer -J127

This programmer switches the refrigerant flow direction through the second evaporator if the temperature on the cooling fins on the second evaporator lowers to the fr ...

Other materials:

Tire Wear, Center
This wear pattern is found on drive wheels on high-powered vehicles that often drive long stretches at high speed. At high speeds, the centrifugal force increases the tire diameter at the center of the tread more than at the shoulders of ...

Test Requirements
  Note The A/C system is functioning correctly when the air flowing from the instrument panel vents has a temperature of 70C or lower. Setting on Climatronic “LO”. Setting on A/C system ...

Wear Spots
  A wear spot is a flat spot on the tread of the tires that can be caused by extreme braking maneuvers on subsurface such as asphalt. At the same time a tire during the braking maneuver is rubbed at selective points which ...