Air con leak???

Post your Cit/Peu/Ren air conditioning queries or advice.

Moderator: RichardW

Post Reply
davetherave
Posts: 880
Joined: 01 Apr 2009, 21:06
Location: Norwich
My Cars:
x 4

Air con leak???

Post by davetherave »

Having been very pleased that my my air con was gassed and worked I thought i would test it today, and found it to be very lacklustre.
I noticed a small amount of bright green fluid leaking from the sensor on the drier bottle :(

Also inside the drier bottle (through the sight glass ) it was bubling green.

I guess this means a new drier and sensor are in order?
Luckily i think i saved a sensor from a peugeot 406 and it looks the same, anyone know for sure?
however ill have to hunt down a new drier :roll:
Getting the car ready for france+spain is becoming a PITA
(95) XM Silver 2.1td Exclusive.
(87) Cx 2.5 DTR T1 undergoing major cosmetic surgery.
GPZ500s
User avatar
Clogzz
Posts: 2115
Joined: 15 May 2005, 18:04
Location: Australia
My Cars:
x 36
Contact:

Post by Clogzz »

A well-gassed circuit doesn’t bubble.
Only at start-up can it have very small bubbles.
The sensor can be unscrewed, there’s a Schrader or whoever valve to keep the fluid in like a tyre valve.

The dryer is good if the sight glass at left is mostly dark, unlike mine in the picture, which is opaque from saturation with moisture.
A restricted dryer causes pressure build-up, and leakage at weak points.

The 406 sensor may be the same; the values aren’t critical, and are stamped on the metal.
The re-gasser should have known better, :evil: so should hear from it.

Image
2002 C5 2.0i AL4 230,000 km 76372389
davetherave
Posts: 880
Joined: 01 Apr 2009, 21:06
Location: Norwich
My Cars:
x 4

Post by davetherave »

thanks clogz
on mine the sight glass (on the right over here!) is yellow so not very dark. Im going to see if i can get them to re do it and i have ordered a new drier so this time it should be good!

Bloody air con! Need to get it sorted for spanish weather!

Didnt realise the pressure sensor could come off without leaking either!
Cheers
dave
(95) XM Silver 2.1td Exclusive.
(87) Cx 2.5 DTR T1 undergoing major cosmetic surgery.
GPZ500s
User avatar
Dommo
Posts: 1191
Joined: 11 Apr 2009, 09:43
Location: Stoke-on-Trent
My Cars: Current
07 C5 VTX+ 2.2 HDi 173hp
97 S1 Activa
06 Boxster S
93 XM 2.1 Turbo SD

Previous cars
91 Toyota Soarer UZZ32 Active Suspension
97 S1 VSX 1.9 Turbo D
99 Xantia Activa
98 2.1TD Xantia
99 306
x 19

Post by Dommo »

If you do need to get a new drier unit you can get them from eurocarparts I believe.
User avatar
Xaccers
Posts: 7654
Joined: 07 Feb 2007, 23:46
Location: Milling around Milton Keynes
My Cars:
x 184

Post by Xaccers »

they turn up new on Ebay too, got Juliet one for £14
1.9TD+ SX Xantia Estate (Cassy) running on 100% veg
1.9TD SX Xantia Hatchback (Jenny) running on 100% veg for sale
Laguna II 2.0dCi Privilege (Monty)

DIY sphere tool
DoubleChevron
Posts: 622
Joined: 22 Sep 2003, 18:06
Location: Australia
My Cars:
Contact:

Post by DoubleChevron »

I assume you mean it's leaking from where the sensor is screwed onto the R/D. Just unscrew the sensor and replace the 'O'ring beneath it. The refrigerant will not escape as it's a shraeder valve beneath it. You will probably find the existing 'O'ring has been pinched.

If there is still pressure in the system, you are probably safe to just dump some more gas in there. If it's been "opened" for any reason, you will need to get the R/D changed :)

seeya,
Shane L.
'96 Big BX 2.1TD exclusive slugomatic (aka XM)
'85 CX2500 GTi Turbo Series II (whoo hooo)
'96 Xantia VSX slugomatic (sold !!)
and of course, lots of old Citroens, slowly rusting away in pieces ;)
davetherave
Posts: 880
Joined: 01 Apr 2009, 21:06
Location: Norwich
My Cars:
x 4

Post by davetherave »

Cheers shane, your probably right, but i have got it booked in again at crap fit today and will see if i can get it done free as it was done 1 month ago, and i think the machine should have picked the leak up.

I have a new drier, as i think the old one is pretty old!
Dave
(95) XM Silver 2.1td Exclusive.
(87) Cx 2.5 DTR T1 undergoing major cosmetic surgery.
GPZ500s
davetherave
Posts: 880
Joined: 01 Apr 2009, 21:06
Location: Norwich
My Cars:
x 4

Post by davetherave »

Got it done for free, and its now blowing properly cold!
Just replaced the drier and pressure sensor and all is now good.
For how long though remains to be seen!
Dave
(95) XM Silver 2.1td Exclusive.
(87) Cx 2.5 DTR T1 undergoing major cosmetic surgery.
GPZ500s
Post Reply