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AIR CON
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scottymps
 


Member Since: 19 Aug 2015
Location: manchester
Posts: 44

United Kingdom 2005 Discovery 3 3.0 TDV6 HSE Auto Barolo BlackDiscovery 3
AIR CON

HI guys would like some help please as this is doing my nut in now Censored

went to have my air con regased a while back worked fine for a bout 4 hours and slowly became warm

I found the issue it was the common rad fault on lower left side so I have replaced this had it regassed and now it wont work a all

this thing is driving me round the bend now all I want is Censored air con !!!


when I press the air con button there is a voltage and engine rpm drop but no click to from the compressor clutch

I was working fine before I swopped the rad


any help or advise would be great thanks  
Post #167073121st Jun 2016 3:28 pm
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

Theres no clutch like old motors, its a variable displacement compressor (google it very interesting) so it runs all the time even when you switch it to eco mode.  
Post #167074621st Jun 2016 3:59 pm
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adam
 


Member Since: 20 Sep 2005
Location: Home and Happy
Posts: 6917

United Kingdom 

That was interesting  
Post #167075021st Jun 2016 4:10 pm
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scottymps
 


Member Since: 19 Aug 2015
Location: manchester
Posts: 44

United Kingdom 2005 Discovery 3 3.0 TDV6 HSE Auto Barolo BlackDiscovery 3

Any ideas on what to check next then ???  
Post #167077521st Jun 2016 4:46 pm
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

Is there still gas in it?
Did it work after they gassed it up?
Are the pipes to the compressor getting cold?
Maybe a fault code has been set in one of the ecus and its sulking?  
Post #167078921st Jun 2016 5:07 pm
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scottymps
 


Member Since: 19 Aug 2015
Location: manchester
Posts: 44

United Kingdom 2005 Discovery 3 3.0 TDV6 HSE Auto Barolo BlackDiscovery 3

Yeah it's full on gas and holding pressure

None of the pipes are going cold


I don't have a fault code reader to check Big Cry  
Post #167080121st Jun 2016 5:21 pm
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JMack
 


Member Since: 02 Aug 2014
Location: Edinburgh
Posts: 1517

Scotland 2006 Discovery 3 TDV6 Commercial Manual Java BlackDiscovery 3

Fuse?

Faulty pressure switch or wiring to/from pressure switch.  
Post #167083121st Jun 2016 5:44 pm
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scottymps
 


Member Since: 19 Aug 2015
Location: manchester
Posts: 44

United Kingdom 2005 Discovery 3 3.0 TDV6 HSE Auto Barolo BlackDiscovery 3

Checked fuse behind glove box that's ok


Is there a way I could test the pressure sensor or will I need a fault code reader for that  
Post #167083521st Jun 2016 5:49 pm
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