noisy air con

[Jmac]

If you feel it is dragging it could well be the compressor mate

[h100vw]

Got one if it's needed.

Gavin

[bujna]

Thanks heaps Gavin.

I will see how things go at the mechanic tomorrow and i'll let you know.

Dan.

[GTIputih]

any progress on this? I have similar problem on my mk4..

Thx

[bujna]

Well i took it to a mechanic who was unable to repeat the issue in his workshop. This makes sense since it only does it after the car has been driven for 20 minutes or so, and the car needs to be revved for the noise to occur. It doesn't make noise at idle.

He suggested taking the car straight to him if i'm in the area and the car is making the noise. I will do that, but i haven't had much time to repeat the issue lately.

The only problem now is that my new somewhat louder exhaust is hiding the noise from my ears for the most part, although i'm sure it's still happening on the very hot days.

So in short, no fix yet...

[GTIputih]

Hmm, try driving it in hot weather like yesterday..
it happens on my mk4 only when the temprature outside is greater than 30C

[goodfella]

while we're on the topic of aircon issues...whenever I have my AC, i can feel extra vibrations thru the floor and pedals. The thing is I really cant remember it happening before, just started to notice after my drive back from Coffs 3 weeks ago. It is mostly noticable at idle.

[bujna]

Just a quick update. I took the golf for a fairly long drive to the beach and back, and the aircon was playing up a bit again. It was about 35 degrees outside and, apart from it making the usual noise accelerating/decelerating in first/second, i did find that the car idled at 1500rpm for a few seconds before dropping down to the usual ~800rpm. This happened at a few sets of lights, and doesn't ever occur with the air con off. Would this add weight to the bearing theory, or am i just best off saving for the whole compressor anyway?

[bujna]

Another update.

I got the car checked for fault codes and the climate control module threw one (blend door was out of calibration). The mechanic performed a recalibration on it and the car is fault code free.

I don't think this will help my original problem, but at least it's something i suppose...