VW Golf Plus - heating and cooling the interior - Granny Seaside

Had our Golf Plus from new, now nearly six years old, regularly serviced at main dealer or accredited garage and is running very well. Only problem - the heater/cooler switches off after 28 - 30 minutes, only works when blower switch manipulated and eventually on a long journey stops working altogether. Two VW accredited garages tested and said all was well. Third put more gas into the system but thought this unnecessary. Did it because he was out of ideas too. Has anybody else had this problem?

Granny Seaside

VW Golf Plus - heating and cooling the interior - JohnM{P}

If you are saying that the aircon stops working and you have to fiddle with the flan switch, then get the fan switch and fan unit checked, as the aircon won't work unless the fan is on.

If the blower continues to work, but aircon no longer does, then contact an aircon specialist.HJ, in the GolfV review, reports of problems with the aircon compressor (though I had no problems with my 2005 Golf during 160k miles from new)