VW Golf manuals

Volkswagen Golf Service & Repair Manual: Test prerequisites

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.
   
Checking systems with an expansion valve and reservoir (without regulated air conditioner compressor)
...

Checking
Switch off ignition. –  Connect manifold gauge (air conditioner service station). –  Read pressure gauge. ...

Other materials:

Information on the air conditioning system
First read and observe the introductory information and safety warnings The cooling system for the vehicle interior only works when the engine is running and the blower is switched on. The air conditioning system operates most effectively with the windows and the panorama tilting roof clos ...

Flat spots caused by storage or handling
What is a flat spot? The terms flat area and flats are also used for the term flat spot. Flat spots caused by storage or handling also cause vibration in the same way as incorrectly balanced wheels do. It is import ...

Additional safety instructions for curtain airbag
Inspect trims for damage prior to installing them.   Always renew damaged pillar trims; never repair.   Ensure proper seating of trims when installing them.   When performing r ...

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