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Air con not working 


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 Post subject: Air con not working
Posted: Sat Feb 09, 2013 12:15 pm 
Tyre Shredder
User avatar

Age: 38

Posts: 398

Joined: 31st Aug 2005

Gallery: 9 images

Ride: Explorer

Location: St clair
NSW, Australia

The aircon in my series 3 au is not working.

I've looked at all the fuses none are blown.
I went over all the relays in the engine bay with a test lamp and they are all good.

When I hit the switch on the dash it doesn't light up when depressed, so I believe this is causing the aircon motor not to engage.
I also pressed the vent valve in and there was no pressure, which most likely means I've got a leak.
Does the system have a low pressure safety cut out? Hence the button not lighting up?

Anyone know of a solution or any had this sort of problem, or is it something else aswell

I'll be getting it looked at by an aircon guy in the next week but I'd just like to have some descent insight into the fault so I can tell the mechs




kangaroos and radiators are a bad mixture

 Post subject: Re: Air con not working
Posted: Sun Feb 10, 2013 1:03 am 
Smokin em up

Posts: 258

Joined: 30th Dec 2007

Location: cairns
QLD, Australia

Yes most a/c systems have a low/high pressure switch to shut down the system so that it doesn't get damaged .No pressure in the lines usually means no gas so nothing is going to work until the system is regassed .Due to environmental regulations the leak is supposed to get fixed before putting in gas but how do you find the leak if the gas detector can't detect the whereabouts of the leak until you gas and dye the system.Sometimes a catch 22 situation. If the dye has been put in previously then it may be spotted using a uv light and yellow tinted glasses.Kevman.
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