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Author Topic: Air con question  (Read 9014 times)

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Andy A

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Air con question
« on: 20 April 2018, 21:23:53 »
Had the Air Con re-gassed less than an year ago and the temp after it was done the air vents were around 5C. I will check what temp the vents are at tomorrow as it's now running warm.

I have searched for any sign of leaks with a UV torch and glasses but I can't find any. Is there any component in the Air Con system than can cause this other than a leak?

Thanks

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tunnie

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Re: Air con question
« Reply #1 on: 20 April 2018, 22:48:20 »
High and low, pressure valves can leak as well. Replaced both of mine, still leaks.

I gas mine at the start of the year, lasts least 6 months. So it's now just an annual job   ;D
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steve6367

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Re: Air con question
« Reply #2 on: 21 April 2018, 09:08:03 »
Valves, condensor, pump in that order in my experience.

Condenser tends to not be a slow process like you describe so I'd start with the other 2.

If all is well it should stay charged for years.




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TheBoy

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Re: Air con question
« Reply #3 on: 21 April 2018, 09:48:53 »
Guessing I need a proper thermometer to measure vent temp, all I have is an IR one...
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Andy A

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Re: Air con question
« Reply #4 on: 21 April 2018, 10:33:11 »
When I took both valve caps off, both of them had a slight hiss initially but nothing after that. I could clearly see the dye inside but no signs outside.

Wouldn't there be signs of dye around the valves if they were leaking?

Do you have the part numbers for the valves and is it best to buy genuine?

Thanks
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Lizzie Zoom

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Re: Air con question
« Reply #5 on: 21 April 2018, 14:14:51 »
Two years ago I had a aircon gas top up which did nothing.  It turned out, after taking the Omega to Vx that the bottom of the condenser had rotted away.  The compressor was also broken due to a lack of gas!

£1,000 approx later............ :o :o 

Then the compressor failed again a year later, and I needed a new set tank......another £964 :o :o :o

But that £964 I got back after taking legal action against Vx Luton/my Vx dealer 8) 8)


Oh, the joys of an Omega, and anything to do with the a/c can be a bit expensive! 8) 8) ;D ;D

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Doctor Gollum

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Re: Air con question
« Reply #6 on: 21 April 2018, 17:03:09 »
If they hiss when you remove the caps, then the valves are shot... Start there :y
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biggriffin

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Re: Air con question
« Reply #7 on: 21 April 2018, 17:10:12 »
Quote from: Doctor Gollum on 21 April 2018, 17:03:09
If they hiss when you remove the caps, then the valves are shot... Start there :y



^^^^ This,,

Fit a new LP and HP, then it will hold the pressure, then start to leak,from bottom of condenser. Joy and light I know. 8)
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TheBoy

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Re: Air con question
« Reply #8 on: 21 April 2018, 18:35:02 »
The hiss gives the game away. Replace both and regas, as others have said.
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Andy A

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Re: Air con question
« Reply #9 on: 22 April 2018, 11:20:46 »
Anyone have the part numbers?

After replacement how quick do I have to get the re-gas done before the Dryer is knackered?
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Andy A

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Re: Air con question
« Reply #10 on: 22 April 2018, 12:32:37 »
Found these part numbers

Manufacturer: GM
Part Number: 52458177 / 52458184
Part: Lower Press Hose Valve

Manufacturer: GM
Part Number: 13277003
Part: High Press Hose Valve

are they correct for a FL 2003?

Did a search and can only find them on the bay from the US.
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Migv6 le Frog Fan

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Re: Air con question
« Reply #11 on: 22 April 2018, 13:34:47 »
Apparently the low pressure valve is a standard tyre valve core. Part number for high pressure valve is correct.
I trued to get one from my local VX dealer yesterday, but they were shut by lunchtime.  ::)
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Re: Air con question
« Reply #12 on: 22 April 2018, 16:13:49 »
The HP valve can be removed and cleaned with carb/brake cleaner, they are normally,just gunghed up.
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Migv6 le Frog Fan

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Re: Air con question
« Reply #13 on: 22 April 2018, 17:28:46 »
Will have a look when I remove it in the next day or so.  :y
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Andy A

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Re: Air con question
« Reply #14 on: 23 April 2018, 13:53:00 »
Just been in touch with VX and they can't find a replacement LP valve under any of the 2 part numbers I gave or any of the ones on there system for my car.

They do have the HP 13277003 but Vauxhall said it did not match my system.  :o

I would rather replace with new if I can.
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