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Henda
Member Since: 05 May 2016
Location: Gateshead
Posts: 473
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Hello , another daft question
Had the disco in for an aircon recharge and it failed the vacuum test so there is a leak somewhere
I've checked all the pipe work and everything looks to be in great condition with no corrosion so this leads to the condenser.
Pulled off the grill for an inspection and it looks in pretty good condition no obvious rot , but when I was touching the fins the top half seem quite solid but the bottom left ( the bit that's prone to rot ) when I touched the fins the seemed to start collapsing under finger pressure can I assume that that's the probable cause of the leak or is that quite normal
I've a groupon voucher for the aircon refill so it seems daft to me to pay for another regas to find out the cause maybe the condenser and then go and buy a new one
Any ideas anyone
The condenser seems to be the weak point All transmission oil replaced
3 flash indicators
All timing belts changed
EPB serviced
De cat fitted
Wind deflectors
De-tango done
Tints fitted
Egr blanked
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3rd Jul 2018 10:04 am |
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Advanced Factors
Site Sponsor
Member Since: 27 Nov 2012
Location: Southampton
Posts: 2648
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Needs leak testing using a mix of Hydrogen/Nitrogen and a sniffer to detect exactly where the leak is coming from, 99% of the time a stone hitting the Condenser causes this, but without the right equipment you won't find it, you could potentially fit a new one and still have a leak, my advice is get it leak tested. Paul Redding
+44 (0)23 8052 2774
Order Parts Online at www.advancedfactors.co.uk
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3rd Jul 2018 10:20 am |
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Henda
Member Since: 05 May 2016
Location: Gateshead
Posts: 473
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Cheers mate will do All transmission oil replaced
3 flash indicators
All timing belts changed
EPB serviced
De cat fitted
Wind deflectors
De-tango done
Tints fitted
Egr blanked
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3rd Jul 2018 10:22 am |
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PROFSR G
Member Since: 06 Mar 2017
Location: Lost
Posts: 4580
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Normally a die is used when filling with gas which shows up under ultra violet light to determine the point of the leak.
This means of course you have to do the gas refill, but it can then be easily recovered from the system by the service operator, there and then, once they have identified the leak. Generally speaking its usually the condenser but not always. Sometimes its possible to identify the area as it can be wet with the oil which has escaped with the gas. Pipes with a pinhole, and the pressure switch are other common areas for leakage.
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3rd Jul 2018 10:34 am |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10336
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The heat exchanger metal bits can come out without leaking gas.
The core bits of metal need to be ok though.
Wipe any suspect bits over with white tissue and see if you pick up any yellow dye
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3rd Jul 2018 11:17 am |
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Disco_Mikey
Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20713
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PROFSR G wrote:Normally a die is used when filling with gas which shows up under ultra violet light to determine the point of the leak.
This means of course you have to do the gas refill...
This is illegal. Anyone caught doing this risks losing their licence
The correct method of leak detection is OFN/Hydrogen, as above My D3 Build Thread
TDV8 Retrofit Build Thread
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3rd Jul 2018 11:51 am |
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Ceekay
Member Since: 17 May 2009
Location: Bury
Posts: 2057
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Advanced Factors wrote:Needs leak testing using a mix of Hydrogen/Nitrogen and a sniffer to detect exactly where the leak is coming from, 99% of the time a stone hitting the Condenser causes this, but without the right equipment you won't find it, you could potentially fit a new one and still have a leak, my advice is get it leak tested.
😩 like I did.
Aparently my condensor was the cause of the aircon not working so got a new one (from AF of course) and £500 later in parts and labour the air con lasted around a day or so. Looks like I have an additional leak so its back to filling the penny jar for the next installment but in the meanwhile I shall have to melt D4 HSE Lux MY16 Club Waitomo
D3 HSE MY06 missing her still…
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3rd Jul 2018 12:09 pm |
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PROFSR G
Member Since: 06 Mar 2017
Location: Lost
Posts: 4580
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Disco_Mikey wrote:PROFSR G wrote:Normally a die is used when filling with gas which shows up under ultra violet light to determine the point of the leak.
This means of course you have to do the gas refill...
This is illegal. Anyone caught doing this risks losing their licence
The correct method of leak detection is OFN/Hydrogen, as above
Well that's me told I wasn't aware of this perhaps because my machine (R134a) is 10 years old now.
Thanks for the correction Mikey
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3rd Jul 2018 1:55 pm |
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PROFSR G
Member Since: 06 Mar 2017
Location: Lost
Posts: 4580
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Do you know if that's a UK or EU directive Mikey? I haven't heard about it til today. I imagine it applies here too but hope I don't have to change the machine
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3rd Jul 2018 7:02 pm |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10336
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For a while now it's illegal to gas it up knowing it's going the leak.
But many do when it's a slow leak. They put a little in.
America is using a new gas. It's flammable. 🙄
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3rd Jul 2018 9:12 pm |
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