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Author Topic: Aircon not working :(  (Read 2280 times)

Offline jimbo19

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Aircon not working :(
« on: July 04, 2014, 10:37:53 am »
Had my car serviced at VW last Friday , did oil and pollen filter.
Since then I have noticed when i put the aircon on I get a hissing sound through the vents, I don't see any diff in the temp of air coming through with having the aircon on or off.
Would the aircon light come on and sound change if the fuse for aircon was blown ? If so anyone know which fuse it is ?
Should the revs drop slightly when aircon switched on and compressor cuts in ??
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Offline jimbo19

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Re: Aircon not working :(
« Reply #1 on: July 04, 2014, 06:59:22 pm »
Good Old stealers yes we will look at it for you £138
local regas £39 has fixed it  :P
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Offline Monkey10

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Re: Aircon not working :
« Reply #2 on: July 05, 2014, 09:05:44 pm »
Yes, but did they do all the necessary checks or just regass it. £138 is a bit on the expensive side though !
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Offline DamoP

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Re: Aircon not working :
« Reply #3 on: July 06, 2014, 01:42:10 pm »
Quote from: Monkey10 on July 05, 2014, 09:05:44 pm
Yes, but did they do all the necessary checks or just regass it. £138 is a bit on the expensive side though !
sounds like one hours labour.... for investigation
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Offline Nickellis1

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Re: Aircon not working :(
« Reply #4 on: July 07, 2014, 06:31:18 pm »
I had my aircon regarded the other week and was hissing turned out the whole lot leaked out if the pressure sensor valve... Common fault apoarantly
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Offline VidalsGTI

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Re: Aircon not working :(
« Reply #5 on: July 15, 2014, 11:45:04 pm »
My Aircon wasn't working, Turned out to be compressor, Replaced with a 2nd hand one. Works now, but i can constantly hear a hissing noise even when its not on.
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Offline Tim144

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Re: Aircon not working :(
« Reply #6 on: July 16, 2014, 03:59:16 pm »
Anyone know where the persure sensor valve is located?
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Offline doylebros

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Re: Aircon not working :(
« Reply #7 on: July 16, 2014, 05:53:39 pm »
In case it's of help to anyone:-

From 01/03/2013

1K0 959 126E.   Price £59.80 full retail

Seal for fitting. 8E0 260 749. Price £0.68


This sensor is on the left hand side looking into the engine bay at the front (about the top of the cooling fans for a hight position) - very common problem that the sensor plastic top becomes porous that's why it was rev E in the parts listing!
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Offline J400uk

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Re: Aircon not working :(
« Reply #8 on: July 16, 2014, 07:05:22 pm »
Can be tricky to access without the right tools, you need a crow-foot spanner ideally.
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Offline Markyed30

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Re: Aircon not working :(
« Reply #9 on: July 17, 2014, 07:19:28 pm »
Lol last Friday I heard a band followed by hissing and thought great my radiator popped, it burst the plug right off the pressure sensor and dumped all the gas in about 40 seconds my eyes were nipping  :confused:
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Offline martin@gti.co.uk

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Re: Aircon not working :(
« Reply #10 on: July 17, 2014, 11:43:53 pm »
Needs new o ring seal that is why its hissing
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