Volkswagen Polo Service & Repair Manual: A/C Technology Basic Principles

Additional Information Sources

Technical Service Handbook outlining action to be taken to rectify current problems. For the repair manual for model-specific repair work. Refe ...

Physical Principles

The four known states of water also apply to air conditioning system refrigerants. 1 -  gaseous (invisible) 2&n ...

Other materials:

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 ...

Wire Break with Dual Repair Point
Repair point with intermediate wire section –  Free up wire intended for repair at two points (approximately 20 cm to both sides of respective repair points). –  If required, remove wiring harness wra ...

Two-Part HS Hardener
Definition: Two-Part HS Hardener -LHA 009 041 A3- Two-Part HS Hardener, Short -LHA 021 004 A3- Two-Part HS Hardener, Extra Short -LHA 009 046 A2- Two-Part HS Hard ...