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, One Sided
In many causes, this is caused by driving style, but sometimes it is also caused by incorrect axle adjustment.     Increased One-Sided Wear One-sided wear, in conjunction with scrub marks on ...

Checking
–  Turn off the ignition. –  Connect pressure gauge battery (A/C service station). –  Take pressure gauge readings. There are two possible results A and B.   &nbs ...

Refrigerant Still in Circuit
Discharge the refrigerant circuit. –  Remove malfunctioning component, flush with compressed air, collect escaping refrigerant oil. –  The new component is to be filled with the amount of refrig ...