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:

7-Pin« Trailer Socket
If more electrical consumers need to be connected than the »7-pin« socket allows, a second »7-pin« socket must be installed. Pin assignment must conform to DIN ISO 1724: 1 - Left turn signal 2 - Tail ...

Vibration, Road Test, Performing Before Balancing
If a vehicle comes to the workshop with the complaint “vibration”, a road test must be performed before balancing the wheels. That way, information about the type of vibration can be obtained. Obser ...

Introduction
The purpose of this Repair Manual is to provide foremen and mechanics with the basic knowledge needed to ensure expert working.   Note Expert knowledge is achieved by one who has taken part successfully in instructiona ...