The Mitsubishi Pajero Owners Club®

anorakmark · * Joined: 30 Jun 2004 Posts: 35 Location: Kent

I have a 1992 2.5 Exceed with dual climate control.
This spring I decided to get the system checked out and a possible Re-gas if needed. I contacted my local Mitsi dealer who said they can do the air con service, on my arrival they informed me they can't re-gas the system due to it being the old type R12 gas in my system which is no longer used and banned in the UK.
They informed me to have the system converted to use the new R134 gas and I was given a nimber by them of a local man who offered to convert my system to R134 for £120.00 + VAT. well not a bad price I thought so I booked it up to have it done. I then went onto an aircon speacialist web site as I was still a little un-certain about the risks involved with this conversion. I read on the site that R12 systems must not be converted to R134 due to the high pressure of the new gas and that the compressor on my 1992 2.5 would not cope and possibly blow to hell and back.
I then contacted another air con specialist who also informed me that it must not be converted unless the whole system is changed including compressor, total cost of over £900.00. but I was informed that there is an additive you van use as a top up for the old R12 gas. I cancelled my conversion as I was worried about the long term affect and damage to my compressor and I called out this other chappie who tested my system and it was fine. So please beware of these conversions, it may cost you an arm and a leg longterm. If anybody else has had this problem please let me know, and is there anybody in the UK who may have a supply of the banned R12 gas hidden away?

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nick the nurse · Posted: Fri May 20, 2005 15:21 Post subject: Gas

Not sure at all but I know a man who does "airconman" he has done quite a few of members trucks from what you are posting my guess is that you could possibly well robbed Shocked

Pm him or run a search under aircon AND gas
HTH M8 Wink

nogbad · Newbie Joined: 20 May 2005 Posts: 3

Hi Just had a similar problem, Found a local 'Transport Refrigeration specialist' who does the old R12's with a new 'blend' a top up costing £30 or a full system check and refill for £50
(unfortunately mine had a leaky pipe, but he has taken this off and is going to try and get me one made over the weekend!) Laughing

glade-photographic · ** Joined: 07 Sep 2004 Posts: 100 Location: kent

Hi mate, this link might help as i had the same prob. Where in Kent are you as he may be close to you.

http://www.pocuk.com/forums/viewtopic.php?t=27982&highlight=

HTH

more x 4 · Posted: Fri May 20, 2005 16:43 Post subject:

or you could just use r24a,the drop in replacement for r12 Shocked

Richie · Posted: Fri May 20, 2005 16:48 Post subject:

Phone this guy, he will tell you all about it, and knows what he is on about, and works on Pajero's all the time.

free phone 0808 1661 308

Tony is the man !!

Number edited, correct number now

airconman · Posted: Sat May 21, 2005 21:45 Post subject:

Hi,
I,ve written numerous posts regarding R134a conversions and the alternative 'drop-in' refrigerant RS24. It is perfectly safe to replace an old R12 system with R134a as long as the compressor is removed and all of the mineral oil is flushed out and the system is also flushed out. The flushing is done using a refrigerant solvent. The filter / drier must be replaced and then the same compressor can be re-fitted once 6oz of synthetic PAG oil has been added to the compressor. Be sure to add the right grade of PAG oil depending on the type of compressor. Once the system has been pressure tested with nitrogen and is being vacuum de-hydrated another 4oz of PAG oil is added to the system via the low side service port. When charging with R134a, the amount is reduced by 40% of the origanal R12 amount. This allows for the fact that R134a operates at higher pressures as mentioned in an earlier post. Be sure to change the port connection to the quick release type and have a sticker under the bonnet informing of the conversion. If all this is done correctly and you are charged £120.00 then your on to a good price.
Using a drop-in refrigerant such as RS24 is favourite though. No oil change required, no need to change the filter drier and the amount charged is far closer to the origanal R12 amount as the operating pressures are very similar. The amount is reduced by only 10%. The greatest advantage is that it costs you a lot less ( I charge £65.00 ).
That includes all the pressure testing, vacuum de-hydrating etc. I've done loads of R12 systems with RS24 and have never had any negative feedback.

Drive Cool - Arrive Cool
Airconman

more x 4 · Posted: Sat May 21, 2005 21:51 Post subject:

airconman,we all know you know your stuff,i think the upshot of all these posts is we get spanked everytime we go for a regas. the cheapest i can find local to me is £80 and it just goes up from there. if you have contacts around the country who will do a good job for a fair price,i think a list of phone numbers and their locations would be in order Wink

airconman · Posted: Sat May 21, 2005 22:08 Post subject:

Will try to do just that. A lot of these problems are repeating themselves so if members have an aircon question try looking under my previous posts and the answer may well be there.

Drive Cool - Arrive Cool
Airconman

Richie · Posted: Sun May 22, 2005 8:28 Post subject: Aircon and Chatsworth

Tony has said if enough interest, and yes work, he will go to chatsworth and work on aircon units there if you are having problems, fully mobile, give him a ring on the number below, he will need to have enough to make the journey viable etc etc.

Have fun

Phone this guy, he will tell you all about it, and knows what he is on about, and works on Pajero's all the time.

free phone 0808 1661 308

Tony is the man !!