Aircon R12

All the information you need on engine-problems is here. The engine includes the Turbo-charger, airco and everything else you'll find under the bonnet.

Moderators: jifflemon, coyote1980, Rachel

frenchfries
Advanced 480 rookie
Posts: 561
Joined: Thu Apr 06, 2017 8:11 pm

Aircon R12

Post by frenchfries » Sun May 14, 2017 7:24 pm

Hi all

As previously stated the aircon clicks into place but no hot air is coming out. I have been cross-referencing threads and the internet and it appears that a straight replacement for the dreaded R12 is the RS24.

I am talking to a mobile engineer who would like to come and have a look next week. Unfortunately he does not stock RS24 but it is possible that Skip has been converted to R134a. However, but I would rate the possibility at less than 5% judging by my overall feel of the previous ownership.

Now, what is this rusty zigzaging piece metal in front of the rad?

Image

The next 2 pics are from a line that seems to link the condenser or the evaporator (my apologies I know very little) and are a bit wet at both end, is this a regular occurence?

Image

Image
1993 Turbo auto called Skip for the important stuff
2011 Juke 190 for everything else

jifflemon
480 Is my middle name
Posts: 2464
Joined: Sat Dec 17, 2016 11:03 am

Re: Aircon R12

Post by jifflemon » Sun May 14, 2017 8:55 pm

You'll be please to know that rusty pipe is nothing to do with aircon; It's actually a powersteering cooler pipe.

I'm having a similar debate with myself over R12 replacement Vs R134a swapover. I can actually lay my hands on volvo R134a components, and given that every seal needs renewal, it sort of makes sense to me to put an R134a compressor and reciever dryer in, rather than convert the ones I've got.

Battling against this of course, is hoping my aircon man can find some drop in gas and I don't have to swap a damn thing.

frenchfries
Advanced 480 rookie
Posts: 561
Joined: Thu Apr 06, 2017 8:11 pm

Re: Aircon R12

Post by frenchfries » Mon May 15, 2017 8:39 am

jifflemon wrote:You'll be please to know that rusty pipe is nothing to do with aircon; It's actually a powersteering cooler pipe.

I'm having a similar debate with myself over R12 replacement Vs R134a swapover. I can actually lay my hands on volvo R134a components, and given that every seal needs renewal, it sort of makes sense to me to put an R134a compressor and reciever dryer in, rather than convert the ones I've got.

Battling against this of course, is hoping my aircon man can find some drop in gas and I don't have to swap a damn thing.
So does this mean that this cooler pipe is failing? Am I about to lose steering? Corrosion is quite significant, would a rust inhibitor slow things down?

I was under the impression that converting to R134a required parts no longer available (dryer?) Anyway, I will hear more about my aircon system later this week so will update my findings accordingly.
1993 Turbo auto called Skip for the important stuff
2011 Juke 190 for everything else

jifflemon
480 Is my middle name
Posts: 2464
Joined: Sat Dec 17, 2016 11:03 am

Re: Aircon R12

Post by jifflemon » Mon May 15, 2017 11:03 am

frenchfries wrote:
jifflemon wrote:So does this mean that this cooler pipe is failing? Am I about to lose steering? Corrosion is quite significant, would a rust inhibitor slow things down?
Everything on a 480 is failing - its just a what rate! :rofl:

I'd add to a list of "wirebrush, rust proof and paint" - just go lightly at first in case its really bad. But better to find out whilst in your garage than losing power steering fluid whilst on the road.

frenchfries
Advanced 480 rookie
Posts: 561
Joined: Thu Apr 06, 2017 8:11 pm

Re: Aircon R12

Post by frenchfries » Thu May 18, 2017 1:54 pm

Bit of an update.

Turns out the aircon is working perfectly fine but only churns out 13 degrees out instead of the 6 ideally and just needs a top up.
Unfortunately as originally thought this is the old R12 coolant which cannot be found anymore but he will try to find some RS24 which is the direct replacement.

On an "ego-boosting" topic he was very impressed by the overall condition of the system and made it clear that this "old system" was pretty much indestructible :wink:

Bottom line is: The hunt for RS24 is on the way :)

Topic updated. RS24/R426A was then replaced by R437A and from what I read on the internet this is a retrofit to old (pre-1993) R 12 systems. R347A can still be found on ebay for about £55/900 grs.

Moi
1993 Turbo auto called Skip for the important stuff
2011 Juke 190 for everything else

jifflemon
480 Is my middle name
Posts: 2464
Joined: Sat Dec 17, 2016 11:03 am

Re: Aircon R12

Post by jifflemon » Thu May 18, 2017 9:44 pm

Good discoveries... Will have to get my google fu on!

I'm guessing Vac the old R12 out, Fresh oil and new funky gas in?

frenchfries
Advanced 480 rookie
Posts: 561
Joined: Thu Apr 06, 2017 8:11 pm

Re: Aircon R12

Post by frenchfries » Thu May 18, 2017 11:26 pm

jifflemon wrote:Good discoveries... Will have to get my google fu on!

I'm guessing Vac the old R12 out, Fresh oil and new funky gas in?
I can only assume that it is best to replace the existing refrigerant. The car requires 900gr and the bottle I bought today on EBay is.........900gr. I did run it past the aircon dud and he will renew the refrigerant with the one I ordered today. I should be delivered around the 31st and will be the guinea pig :)
1993 Turbo auto called Skip for the important stuff
2011 Juke 190 for everything else

frenchfries
Advanced 480 rookie
Posts: 561
Joined: Thu Apr 06, 2017 8:11 pm

Re: Aircon R12

Post by frenchfries » Tue May 23, 2017 11:09 am

Bit of an update.

Skip is getting cleaned and its aircon topped up :)

Image
1993 Turbo auto called Skip for the important stuff
2011 Juke 190 for everything else

jifflemon
480 Is my middle name
Posts: 2464
Joined: Sat Dec 17, 2016 11:03 am

Re: Aircon R12

Post by jifflemon » Fri May 26, 2017 1:22 pm

Was this with the R12 replacement? Did they add fresh oil and more importantly, is it chilling?

frenchfries
Advanced 480 rookie
Posts: 561
Joined: Thu Apr 06, 2017 8:11 pm

Re: Aircon R12

Post by frenchfries » Fri May 26, 2017 1:58 pm

jifflemon wrote:Was this with the R12 replacement? Did they add fresh oil and more importantly, is it chilling?
R437A is a drop in replacement for the R12 so there is no need to change components or do anything oil-wise. Air is now coming out of the vents at 5-6C and it is very timely.

It is easily found on Ebay, I paid £53 for a 900gr bottle. I will carry on monitoring the situation to make sure that everything does what it is supposed to do.

http://www.mistercool.co.uk/classic_car ... 4_r437.asp and I also did a lot of research online and with aircon companies.
1993 Turbo auto called Skip for the important stuff
2011 Juke 190 for everything else

jifflemon
480 Is my middle name
Posts: 2464
Joined: Sat Dec 17, 2016 11:03 am

Re: Aircon R12

Post by jifflemon » Fri May 26, 2017 2:00 pm

Got a link for the Gas? My search shows nothing!

frenchfries
Advanced 480 rookie
Posts: 561
Joined: Thu Apr 06, 2017 8:11 pm

Re: Aircon R12

Post by frenchfries » Fri May 26, 2017 2:08 pm

jifflemon wrote:Got a link for the Gas? My search shows nothing!
If you search "R437A Vs R12" you will find a lot of data about it.
1993 Turbo auto called Skip for the important stuff
2011 Juke 190 for everything else

jifflemon
480 Is my middle name
Posts: 2464
Joined: Sat Dec 17, 2016 11:03 am

Re: Aircon R12

Post by jifflemon » Fri May 26, 2017 2:30 pm

frenchfries wrote:
jifflemon wrote:Got a link for the Gas? My search shows nothing!
If you search "R437A Vs R12" you will find a lot of data about it.
Sorry! Meant an eBay link!

frenchfries
Advanced 480 rookie
Posts: 561
Joined: Thu Apr 06, 2017 8:11 pm

Re: Aircon R12

Post by frenchfries » Fri May 26, 2017 3:06 pm

jifflemon wrote:
frenchfries wrote:
jifflemon wrote:Got a link for the Gas? My search shows nothing!
If you search "R437A Vs R12" you will find a lot of data about it.
Sorry! Meant an eBay link!
http://www.ebay.co.uk/itm/Kaltemittel-R ... SwjL5ZB3Gx
1993 Turbo auto called Skip for the important stuff
2011 Juke 190 for everything else

frenchfries
Advanced 480 rookie
Posts: 561
Joined: Thu Apr 06, 2017 8:11 pm

Re: Aircon R12

Post by frenchfries » Fri Jun 23, 2017 8:18 pm

Not that it has been used much in the last month but it is working :)
1993 Turbo auto called Skip for the important stuff
2011 Juke 190 for everything else

jifflemon
480 Is my middle name
Posts: 2464
Joined: Sat Dec 17, 2016 11:03 am

Re: Aircon R12

Post by jifflemon » Fri Jun 23, 2017 8:28 pm

this brings both joy and hope to me!

frenchfries
Advanced 480 rookie
Posts: 561
Joined: Thu Apr 06, 2017 8:11 pm

Re: Aircon R12

Post by frenchfries » Fri Jun 23, 2017 10:32 pm

jifflemon wrote:this brings both joy and hope to me!
Did you find some?
1993 Turbo auto called Skip for the important stuff
2011 Juke 190 for everything else

jifflemon
480 Is my middle name
Posts: 2464
Joined: Sat Dec 17, 2016 11:03 am

Re: Aircon R12

Post by jifflemon » Sat Jun 24, 2017 6:37 pm

I'm waiting for my aircon man to come round first to check the system can hold vacuum; No point ordering if I've got more leaks than sieve.

frenchfries
Advanced 480 rookie
Posts: 561
Joined: Thu Apr 06, 2017 8:11 pm

Re: Aircon R12

Post by frenchfries » Wed Sep 20, 2017 9:15 pm

Aircon still working. Not that it is hot outside anyway but the mist vanishes in an instant :)
1993 Turbo auto called Skip for the important stuff
2011 Juke 190 for everything else

Gorgechristian
480 Newbie
Posts: 12
Joined: Fri Sep 15, 2017 7:33 pm

Re: Aircon R12

Post by Gorgechristian » Sat Sep 23, 2017 3:56 pm

My Aircon is nice working! A few days ago I service it myself! :o

Post Reply