2008 Holden Commodore Airconditioner Problem

2008 HOLDEN COMMODORE
135,000 MILES • 6.0L • V8 • RWD • AUTOMATIC
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KEVIN442
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When I turn on the Air Con it's only Blowing Heat towards the windscreen and when I turn it to go towards the Front , Feat , & Back nothing is coming out. & the Air Con has Gas in it. Would you know what could be the Problem.My Electrician Had a look and there's no leak .
Regards ,
Kevin
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Jan 13, 2014 at 6:53 PM
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MHPAUTOS
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You will have to check the vacuum supply to the switch, if no vacuum to operate it will go to default screen setting. check vacuum line from manifold going through fire wall, switches also pack it in but these are hard to access and check,
Jan 14, 2014 at 3:30 PM