This page lists the required conditions before this pressure check: clean radiator and condenser, a correctly tensioned V-belt for the compressor and alternator, and intact, properly installed air ducts, covers and seals.
| Radiator and condenser must be clean (clean them if
necessary). |
| The V-belt for air conditioner compressor and alternator is
correctly tensioned. |
| All air ducts, covers and seals are OK and properly
installed. |
| The flaps reach their end positions. |
| The engine is at operating temperature. |
| The evaporator and heating do not draw any uncooled air at
highest fresh air blower speed. |
| With the engine running and the air conditioning system set
to full power, check the following points: |
| The fresh air blower is running |
| The radiator fan is running or is switched on. |
| The fresh air and air recirculation flap is set to “recirculate”. |
| The ambient temperature is more than 15oC. |
| The temperature switch for evaporator -E33- is correctly
fitted and its switching temperatures are correct. |
|
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Questions & answers
Test prerequisites — Volkswagen Golf Mk7
What extra prerequisites apply to Golf Mk7 AC systems without regulated compressor?
Check the V-belt for the AC compressor is in good condition and correctly tensioned, in addition to the standard clean radiator/condenser requirement.
Switch off ignition.
–
Connect manifold gauge (air conditioner service station).
–
Read pressure gauge. ...
