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Air con and recirculate button

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FishSticks View Drop Down
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    Posted: 26áJuná2018 at 4:05pm
I have a 2014 J11 Quashqai and a couple of weeks ago the AC started playing up.  What I've read online depresses me since I'm well outside the warranty period.

Pressing the button for the AC turns the AC LED on and off, but the air from the vents isn't cold.

Pressing the recirculate button turns the AC LED light on if it was previously off, but has no other effect.  The recirculate LED remains off and the vents don't seem to recirculate.

The AC and re-circulate problems started at the same time.

I took the car to an independent garage this week who thought I probably needed a re-gas or a new condenser, but didn't look at the car since they don't use the new gas.

I probably need a trip to the dealer, and I know they will likely want to fit a new condenser.  However, the odd behaviour of the recirculate button makes me hope the problem lies elsewhere.  Is there anything I can check myself to help diagnose/fix this? 

Thanks!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote PR07HET Quote  Post ReplyReply Direct Link To This Post Posted: 27áJuná2018 at 4:10pm
Personally I have had the same issue last couple of weeks and think its just too hot out side for the cooler to kick in, in time.


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Post Options Post Options   Thanks (0) Thanks(0)   Quote FishSticks Quote  Post ReplyReply Direct Link To This Post Posted: 27áJuná2018 at 4:42pm
Thanks, but this seems to be a continuous problem - e.g. I just tried now after the car has been in the shade for a few hours and is fairly cool inside the cabin and bonnet, and precisely the same.

Something new I discovered though is that if I hold the re-circulate button down for a couple of seconds its light will flash twice (before then returning to its now constant "off" state).  There is nothing about this in the manual, but searching online it seems that other Nissan models have an automatic re-circulation mode that can be enabled in precisely this way, perhaps that's what I'm triggering?

There is no audible effect of turning the AC on or off, or of using the recirculate button - I think I recall that there would normally be clicks, changes in fan tone, etc.

Can anyone suggest anything I can do to check e.g. if the AC is actually running but not cooling vs. not running at all?

Thanks!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MorkfromOrk Quote  Post ReplyReply Direct Link To This Post Posted: 27áJuná2018 at 6:55pm
When you turn on the air-con you should hear a click noise from the engine bay as the compressor comes on, if it's not clicking there isn't enough gas in the system.

Fingers crossed it just needs to be re-gassed.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Vinnyh73 Quote  Post ReplyReply Direct Link To This Post Posted: 27áJuná2018 at 7:58pm
If the condenser is kicking in then you should also notice a slight change in the revs at idle.

Going from my own current experience (see my thread in this section) I would do all you can to find an independent air-con specialist.  If you do end up going to a dealer, be very sceptical on what they tell you (for instance they told me that 16c is the lowest temperature it should go, total BS) and if they say its stone damage to the condenser ask to see it or for them to show video footage.  It would be also worth while raising it through Nissan Customer Service, as give them due I did and they helped with the cost of replacement (though mainly due to being fed stories by the dealership).

Oh and if like mine, its turned out to be a pipe leaking, if its the one that comes directly from the condenser be prepared to wait for a replacement, apparently the part has to come from the supplier and after two weeks of waiting, they are still no closer to it being delivered.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote FishSticks Quote  Post ReplyReply Direct Link To This Post Posted: 29áJuná2018 at 2:34pm
Thanks for the tips.

There is no clicking, and no change in engine tone when idle.  If this is just a need for re-gassing I'd be delighted, but the car is 4 years old and presumably shouldn't need re-gassing yet?

Thanks again guys.  I'll take it to an independent place by preference, but because it uses the new gas that might not be easy (first place I tried took one look, told me the cost of the new gas and explained it was too expensive for them to stock).
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Post Options Post Options   Thanks (0) Thanks(0)   Quote chrisw99 Quote  Post ReplyReply Direct Link To This Post Posted: 29áJuná2018 at 3:15pm
I've read a lot about the air con condenser faults, and that it leaks.  What I have yet to read anywhere is exactly how long it would take to leak out again if you got it regassed.   If it's taken 3 years for it to leak out enough to stop working, it may be cheaper to just get it regassed and get another 3 years out of it.  Cheaper to pay ú99 for another 2-3 years than ú400+ for a repair.

On my J10 I had quite a bad leak out of the receiver-dryer unit which was quite a costly repair, but after a regas it worked for 5-6 months before leaking out again.   On the J10 the refrigerant gas was much cheaper and was only ú29 for a regas at some places, so I just got a regas each year in spring.

But with it now being ú99 at least, a bit pricey to try this if you find it leaks out within weeks.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Vinnyh73 Quote  Post ReplyReply Direct Link To This Post Posted: 29áJuná2018 at 3:18pm
The answer Chris is just over a month (as in my case) though depends on the size of the leak I suppose.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Wes21 Quote  Post ReplyReply Direct Link To This Post Posted: 12áJulá2018 at 4:05pm
Hi Fishsticks, have you managed to identify what the issue is with your Air Con? I have exactly the same, recirc button too. Ive had the car 2 years, regassed after 1 month, and now nothing again.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Vinnyh73 Quote  Post ReplyReply Direct Link To This Post Posted: 12áJulá2018 at 5:42pm
Sounds like you've got the same problem I had, turned out that the pipe was leaking straight after it leaves the condensor. And with the required part being out of stock in th UK, it suggests to me that there is a common problem with this pipe.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Wes21 Quote  Post ReplyReply Direct Link To This Post Posted: 20áJulá2018 at 7:45am
Well a bit of an update. There was no gas left at all in the system, this then switches the pressure switch, which in turn disables the air con turning on and the recirc operating. The recirc not working should not be linked but there you go it is! Had it pressure and leak tested and no issues, even though the garage (Not Nissan, a trusted garage)stated there must be something wrong to have nothing left after a year but nothing came up on the test. So for the minute its freezing cold again and recirc is working correctly.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Vinnyh73 Quote  Post ReplyReply Direct Link To This Post Posted: 20áJulá2018 at 7:58am
When regassed did they put dye in the system, if so get yourself a uv torch and then at night go check to see if there are any leaks. If not aware the condensor is located at the front to the left of the car as you look at it. You can shine the torch through the lower grille to check if its coming from the condensor.

Talking of the Condensor, it was mentioned by a Nissan chap that it had been found that a batch of them had been made with porous material so the gas was naturally escaping.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dark_cobra Quote  Post ReplyReply Direct Link To This Post Posted: 21áJulá2018 at 5:58am
Recharging a system with refrigerant gas thats known to have leaks is illegal. A pressure test with inert gas and dye is meant to be done first. Only if safe, is refrigerant then out back in.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote cableman Quote  Post ReplyReply Direct Link To This Post Posted: 30áJulá2018 at 5:37pm
Hi all

I recently bought a late 2013 J10 QQ and have had a small number of issues, most of which were easily sorted.

One bigger issue is that the Aircon didn't work. I had it regassed on Friday and I took it for a spin. It didn't seem to be getting cool inside the cabin, but then it wasn't that warm that day.

Today however, there is no cooling at all...so I went back to the indy garage and they checked and it was empty again.

It seems there's a leak at the point where the pipework goes into the aluminium condenser, which has corroded and hence caused a leak of the precious R134a.

They claim that their "leak tester" sucks in air, (rather than blowing air through the system) and hence they didn't spot the leak as the suction may have help seal the leak, during the test.

Which is fair enough.

Questions:
Is this a known fault with QQ's of this vintage and is it worth getting an aftermarket replacement fitted or is the Nissan condenser "better" ?

How easy is it to replace the condenser, if the system is empty of gas?

TIA
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