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
...
Removing and installing remote control receiver for auxiliary coolant heater
-R149-, Golf and Golf GTE
Note
If the remote control receiver for auxiliary coolant heater
-R149- is renewed, the remote control receiver for auxiliary
coolant heater -R149- needs to be adapted to the auxiliary and
supplementary heater using the vehicle diagnostic tester ...
Leaks or internal damage (e.g. noises or lack of power)
–
Drain refrigerant circuit.
–
Remove air conditioner compressor.
Note
In the event of internal damage (to air conditioner
compressor), purge with R134a refrigerant
→ ...