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 Posted: Tue Jul 02, 2013 9:34 am |
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Joined: Apr 13, 2010
Posts: 189
Trade Rating: 0
Location: Leeds
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As above really... Loud hissing etc from behind the dash.. A specialist has diagnosed it over email as either the evaporator or something gone on a union/join.
He spoke like it would be an issue to remove the evaporator and a quick google suggests so! With the whole dash coming out - if this is the case I'd just not bother.. I saw a how-to with the heater matrix coming out ok, can I do the same with the evaporator?
Cheers!
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| GTI 138 facelift - Runabout
335d M Sport - Cruiser | |
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Posted: Tue Jul 02, 2013 10:31 am |
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Joined: Oct 12, 2012
Posts: 204
Trade Rating: 0
Location: Norwich, United Kingdom
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How loud is it? Because my aircon hisses when it's on, but that's how it operates.
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| I have Peugeot Planet/DiagBox.
Previous Car: Peugeot 206 1.4
Now: Peugeot 207 1.6 VTi 120 Sport | |
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Posted: Tue Jul 02, 2013 11:06 am |
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Joined: Apr 13, 2010
Posts: 189
Trade Rating: 0
Location: Leeds
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It happened last summer. It worked perfectly with no hiss.
Then over the space of 30 mins there was a very loud hiss, then it stunk, then AC didn't work!
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| GTI 138 facelift - Runabout
335d M Sport - Cruiser | |
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Posted: Tue Jul 02, 2013 1:35 pm |
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Joined: Jul 13, 2010
Posts: 1032
Trade Rating: +10
Location: sutton surrey/welwyn garden city
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Defiantly got a leak, would be easier to Pressure test the system with an air-con machine. Check the pipes going to the heater matrix, check the condenser hasn't got any holes in it and that the high and low filling pipes are ok. I haven't got air-con on mine so can't go into more detail
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| You never really learn to swear until you learn to drive | |
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Posted: Tue Jul 02, 2013 1:38 pm |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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If the system has a leak it needs to be either pressure tested with Nitrogen OR a vac check done.
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Tue Jul 02, 2013 5:04 pm |
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Joined: Aug 04, 2011
Posts: 1343
Trade Rating: 0
Location: Swindon
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I think Qwikfit might do a no fix no fee that starts with vacuum test but it sounds like that will only prove what you already know.
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| Morris 1000, Austin 1100, Escort Mk2, Fiat Mirafiori, Alfa 33, Alfa GT Junior, Alfasud, Alfetta GTV (2x), Alfa 164 3.0 V6, Alfa 164 2.0, Alfa 75 V6, Alfa 156 2.4 (diesel remapped 200bhp), Alfa 147 GTA (3.6 295bhp), Alfa 159 (diesel remapped 245bhp 300ft.lbs @ 2500rpm)
Why isn't my daughter an Alfaholic? | |
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Posted: Mon Jul 08, 2013 12:41 pm |
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Joined: Apr 13, 2010
Posts: 189
Trade Rating: 0
Location: Leeds
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Cheers lads.. This is what I'm going to get done.
I was just curious if the leak is in the evaporator is there any way of getting it out without removing the dash?
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| GTI 138 facelift - Runabout
335d M Sport - Cruiser | |
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Posted: Mon Jul 08, 2013 3:20 pm |
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Joined: Feb 07, 2010
Posts: 1730
Trade Rating: +9
Location: Northants
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Maybe this is the same as I fixed on my gf's glx (climate control)
It used to hiss when ac was on, like a bubbling, up and down in pitch etc. then the resistor in the blower motor went and it was stuck on high fan
New blower motor resolved the problem.
Unplug this 1st, see if it still makes the noise, if it does then its further back from the cab, I would think anyway.
Mine was easier to pin point once the resistor failed
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| WIP: Black 1.6 16v XSi
Beauté Noire | |
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Posted: Mon Jul 08, 2013 4:40 pm |
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Joined: Feb 07, 2010
Posts: 838
Trade Rating: +2
Location: Taking a gearbox off somewhere
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Mine also always hisses quite loudly every now and then
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Posted: Sun Jul 14, 2013 12:39 pm |
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Joined: Apr 13, 2010
Posts: 189
Trade Rating: 0
Location: Leeds
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Sorry.. The AC worked fantastic. It was a real loud hiss over half hour or so, stunk, then hasn't worked since.
It's deffo something that's let go. I'll see what the specialist says!
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| GTI 138 facelift - Runabout
335d M Sport - Cruiser | |
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