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Morepower
Member Since: 18 May 2012
Location: Somerset
Posts: 166
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Hi all
I called into see my D3 today, the dealer is doing a few little jobs under warrantyšš» The problem is the air con, it blows cold but not very cold, they have looked at it and the compressor is working (starting up ok) itās full of gas but they canāt get it to blow any colderš± anyone got any ideas what it could be, are there any known faults, itās an HSE with the rear heating/air con.
Cheers
Graham
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9th Nov 2017 9:40 pm |
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Bodsy
Site Sponsor
Member Since: 06 Nov 2006
Location: In the Clubhouse
Posts: 21361
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If thereās no leak and the compressor is working fine, then try changing the heater control module.
Itās behind the lower glovebox, held into the plastic ducting with two screws. Bodsys Brake Bible
D4/D3 Remote FBH heat kits
BAS Remaps/ EGR Blank
Transmission Flush
Software updates/enabling
Clock/ SNOTM /3Flash / 4x4Info /BT Update /Service Reset/Error Codes / Gearbox Reset
See It Here
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9th Nov 2017 9:46 pm |
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Morepower
Member Since: 18 May 2012
Location: Somerset
Posts: 166
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Got the car back now, all seems ok except Iām not sure the compressor is actually working, how/what is the best things to check, is there any known faults?
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11th Nov 2017 8:57 am |
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lynalldiscovery
Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274
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Has it got rear roof mounted a/c vents?
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11th Nov 2017 10:07 am |
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Morepower
Member Since: 18 May 2012
Location: Somerset
Posts: 166
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Yep got vents in the rear and controls on the roof?
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11th Nov 2017 11:04 am |
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lynalldiscovery
Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274
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I would still go for low gas pressure, you can have gas but not enough.
Its quite common for the under body air con pipes to rot out near their joins and leak the gas out, mine took weeks before it lost pressure, in the end had to pressurise the system and get the squirty soapy water bottle out to find the pin hole.
Pipe section was about 160 quid and its been fine ever since.
If you look underneath the pipes are attached to the insides of the sills, right hand side of the car is two coolant pipes and left hand side is the two air con pipes.
I know its stating the obvious but cars with rear a/c hold more gas than std motors.
The a/c compressor is not the straight forward on/off type of old, google variable displacement air con compressor.
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11th Nov 2017 6:41 pm |
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Morepower
Member Since: 18 May 2012
Location: Somerset
Posts: 166
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Thanks for this, Iāll get under and have a look when the rain stops āļøā”ļø
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12th Nov 2017 9:17 am |
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