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Air Con
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TrueBlue
 


Member Since: 01 Sep 2008
Location: North Britain
Posts: 90

Scotland 2006 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3
Air Con

Hello guys

can anyone tell me what may be wrong with my air con, ive had it at kwik fit and they charged it, found no leaks but could only get the temp down another 3 degrees to around 18, its no worky Sad

Hopefully this wont be anything major, but any help would be greatfully appreciated, im hoping its not going to be a dear one but do fear the worst

Anyone had similar problems?

Cheers
TrueBlue
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Post #6565194th Jun 2010 11:22 am
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discoBizz
 


Member Since: 20 Sep 2008
Location: Manchester
Posts: 1416

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3
Re: Air Con

TrueBlue wrote:
...but could only get the temp down another 3 degrees to around 18...


How cold do you want it to be, "it's a car Jim not a fridge" Shocked Laughing
 ==> Guide - Inexpensive AV Modification
==> Guide - Extend the multimedia of your Discovery III (September 2011, v1.2 uploaded)  
Post #6565284th Jun 2010 11:31 am
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TrueBlue
 


Member Since: 01 Sep 2008
Location: North Britain
Posts: 90

Scotland 2006 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3
Re: Air Con

Maybe 18 degrees is cold where you are but its certainly not considered cold here
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Post #6565394th Jun 2010 11:48 am
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J@mes
 


Member Since: 10 Nov 2008
Location: Bomber County
Posts: 4547

England 2014 Discovery 4 3.0 SDV6 XS Auto Corris GreyDiscovery 4

What exactly did KF do?

They should:

Remove any old gas
Pull a vacuum on the system
Charge it with OFN (oxygen free nitrogen)
Leave it for an hour to see if it holds the pressure
dump the OFN
Pull another vac on the system
Recharge with fresh gas.

If it is still not cold after that, you need to check the condenser is clean and that any cabin filters (if they have them, I'm not sure) are clear too.

Failing that, it could be that your compressor is not working correctly or that an electrical issue with the Heating Ventilation and Air Conditioning (HVAC) panel is preventing it from cooling correctly.
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Post #6565434th Jun 2010 11:55 am
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TrueBlue
 


Member Since: 01 Sep 2008
Location: North Britain
Posts: 90

Scotland 2006 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Unnecessary quote removed


I had to leave the car with them as they said it would take over an hour so i reckon they did what was required, as i feared this sounds expensive but thank you for your response Sad
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Post #6565454th Jun 2010 11:59 am
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J@mes
 


Member Since: 10 Nov 2008
Location: Bomber County
Posts: 4547

England 2014 Discovery 4 3.0 SDV6 XS Auto Corris GreyDiscovery 4

No problem - a lot of "air con repairers" just dump more gas in (which is actually illegal) without testing for leaks first.

If it wasn't holding pressure, they wouldn't have regassed it. I think your problem may be something slightly more expensive (or possibly something even more simple Very Happy )
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Post #6565484th Jun 2010 12:13 pm
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discoBizz
 


Member Since: 20 Sep 2008
Location: Manchester
Posts: 1416

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3
Re: Air Con

TrueBlue wrote:
Maybe 18 degrees is cold where you are but its certainly not considered cold here


Sorry, was only being funny... Rolling Eyes

So what should the temperature reading be on a freshly charged aircon set to minimum temperature?
 ==> Guide - Inexpensive AV Modification
==> Guide - Extend the multimedia of your Discovery III (September 2011, v1.2 uploaded)  
Post #6565554th Jun 2010 12:26 pm
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TrueBlue
 


Member Since: 01 Sep 2008
Location: North Britain
Posts: 90

Scotland 2006 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3
Re: Air Con

[quote="Biz"]
TrueBlue wrote:
Maybe 18 degrees is cold where you are but its certainly not considered cold here


Sorry, was only being funny... Rolling Eyes

So what should the temperature reading be on a freshly charged aircon set to minimum temperature?[/quot

sorry dude i wasnt being curt, in answer to you question i have no idea but it has to be well below 18 Sad
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Post #6565604th Jun 2010 12:41 pm
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TrueBlue
 


Member Since: 01 Sep 2008
Location: North Britain
Posts: 90

Scotland 2006 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

[quote="J@mes"]No problem - a lot of "air con repairers" just dump more gas in (which is actually illegal) without testing for leaks first.

If it wasn't holding pressure, they wouldn't have regassed it. I think your problem may be something slightly more expensive (or possibly something even more simple Very Happy )[/quote


please be simple and cheap Very Happy
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Post #6565624th Jun 2010 12:43 pm
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caverD3
 


Member Since: 03 Jul 2006
Location: Oberon, NSW
Posts: 6922

Australia 2012 Discovery 4 3.0 SDV6 SE Auto Fuji WhiteDiscovery 4

Temp coming out og the vents should be five degrees C or lower.
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Post #6565634th Jun 2010 12:44 pm
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discoBizz
 


Member Since: 20 Sep 2008
Location: Manchester
Posts: 1416

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

caverD3 wrote:
Temp coming out og the vents should be five degrees C or lower.


Cheers! Thumbs Up
 ==> Guide - Inexpensive AV Modification
==> Guide - Extend the multimedia of your Discovery III (September 2011, v1.2 uploaded)  
Post #6565974th Jun 2010 2:16 pm
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TrueBlue
 


Member Since: 01 Sep 2008
Location: North Britain
Posts: 90

Scotland 2006 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

The cabin filter/pollen filter housed in the glove compartment, can someone confirm the direction of air flow with regd this please ie top to bottom or bottom to top, i reckon the latter but i aint no tech type, can anyone tell me as its not in the manual and i cant find anything on the web

cheers again
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Post #6566174th Jun 2010 3:10 pm
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TrueBlue
 


Member Since: 01 Sep 2008
Location: North Britain
Posts: 90

Scotland 2006 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

TrueBlue wrote:
The cabin filter/pollen filter housed in the glove compartment, can someone confirm the direction of air flow with regd this please ie top to bottom or bottom to top, i reckon the latter but i aint no tech type, can anyone tell me as its not in the manual and i cant find anything on the web

cheers again



Just found this on another site which means im wrong, off to phone a dealer Embarassed

I was at my Land Rover dealer yesterday and purchased a new pollen filter, (part number JKR500020 $61.31 Canadian plus tax). They said the air flow is down into the fan which to me makes sense. More interestingly, what that there is a bit of a trick to installing the filter. Yes, it just slides in, but then one has to tip the near side, (edge nearest to filter door), of the filter upwards to friction fit into a rectangular opening where it is supposed to reside, (friction fit). That surprised me as the filter I removed, (the upside down one), was just sitting horizontally in the space and seemed to fit farily well there. It appears however that the instructions I received from the dealer were correct as when tipped the long edge of the filter upwards, it did lodge into place at an angle, (via friction fit). I will keep an eye on it as other than friction, nothing actually holds the filter in place. There did however seem to be a use for the little tab of filter paper that the arrow markings are on. Once the filter is lodged up in place, it is that tab of paper that you latch onto to remove the filter. Other than that, you would be scratching with your fingernails to pull out the filter. Any commments would be appreciated as I am still somewhat uncertain of all this - maybe too easy, but still a bit tricky - not obvious in any way to my mind, and nothing in the Owner manuals either other than to say that vehicles with certain packages have a pollen filter.
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Post #6566204th Jun 2010 3:22 pm
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TrueBlue
 


Member Since: 01 Sep 2008
Location: North Britain
Posts: 90

Scotland 2006 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

doh Whistle

air flow does go down
Smile


On another note i just phoned kwik fit who said my car took 560g of refrigerant and passed the vacum and leak tests so looks like the problem lies elsewhere Sad
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Post #6566224th Jun 2010 3:41 pm
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Q86ARR
 


Member Since: 23 Feb 2010
Location: Jersey
Posts: 378

United Kingdom 2012 Discovery 4 5.0 V8 HSE Manual Bali BlueDiscovery 4

Have you got rear aircon? If so you need 835g of gas. And check the pipe along the NS underneath by the front wheelarch. The pipe fractures on the clamp.
  
Post #6571456th Jun 2010 3:20 pm
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