[SILVY968]

Do our cars come 134?

If they do not, is there a conversion kit?

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[flash]

yes, 134 on 93-95 - r12 on 92 - not sure exactly where the changeover is though - the years tend to bleed over a bit

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[Gotter]

[quote name='flash' post='22666' date='Jun 10 2006, 06:00 PM']yes, 134 on 93-95 - r12 on 92 - not sure exactly where the changeover is though - the years tend to bleed over a bit[/quote]



I know there is an update for the '92 R12 A/C unit, but not sure the "name"... is it worth it? How much *should* it cost?



Thanks!

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[blue968]

HI.



My car is a 93, How can you tell which is installed??? R12 or 134???

I dont think you can get R12 anymore,however i think R134 is on the shelf at Autozone. Am I correct???



Thanks

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[blue968]

Hi Guys,



I just looked at my car and I had found a sticker below the coolant resevoir and it says 134.



thanks

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[hawaii7]

Just went through this myself with a '92 cab. R12 charge was $286.00; conversion kit and charge was around $600.00; and the total new equipment conversion was $1200.00



Went with the R12, and it is chilly as can be in there.

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[Gotter]

[quote name='atherton' post='55559' date='Jun 28 2008, 05:22 PM']Just went through this myself with a '92 cab. R12 charge was $286.00; conversion kit and charge was around $600.00; and the total new equipment conversion was $1200.00



Went with the R12, and it is chilly as can be in there.[/quote]



OK, I just had my R12 recharged and had the valve replaced (Schraeder?), and ran cold for awhile, but in this 105 degree heat, it just doesn't get very cool at all. As soon as it gets down to 90 or so, the air coming from the A/C gets tolerable... Am I just S.O.L. until I get to more humid air? I don't feel like replacing the whole A/C. <img src="/forum/images/smilies/968/mad.gif" class="smilie" alt="" />

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[Larry Currie]

My 92 has never been real chilly at temps above 90.

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[Gotter]

[quote name='Larry Currie' post='55565' date='Jun 29 2008, 04:57 AM']My 92 has never been real chilly at temps above 90.[/quote]

Maybe it's not just me then...

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[968Z]

FWIW - I just bought a cheap (under $40.00) conversion kit for my old 1990 Trooper w/ 330,000 miles. Actually, the kit consists of 3 cans of R134A + oil, a feeder hose for the low side, and a couple of fittings. The A/C in the Trooper has not worked for a year or two, and I figured it was worth a shot. SInce I really had nothing to lose, I just re-charged the system with the new freon. Works like new! Yeah, I could have put new seals and the other changes all the A/C shops recommend, but for fourty bucks and a few minutes time, you can't beat it for a car that old with that many miles.

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[gryphon]

I'm in Arizona (adjacent to the sun) and my 93 produces very cold air regardless of the outside temp, which recently has exceeded 115.



Tom

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[Gotter]

[quote name='gryphon' post='55582' date='Jun 29 2008, 01:52 PM']I'm in Arizona (adjacent to the sun) and my 93 produces very cold air regardless of the outside temp, which recently has exceeded 115.



Tom[/quote]



The difference between an R12 and a 134 unit then?

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[Kim]

R12 is a contributor to ozone depletion and is currently not legal to use as a recharge, at least here in Canada. R134a is not as ozone unfriendly and is legal. To me, there are a few things that are worth paying for and doing right. I am currently converting over to the R134a and on Wednesday should be able to report on the result.

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[blue968]

Hi Guys,



Is the low side of the A/C behind the compressor??? If so what is the cap up by the front drivers wheel well, High side ???



Thanks

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[Gotter]

[quote name='Kim' post='55591' date='Jun 29 2008, 03:52 PM']R12 is a contributor to ozone depletion and is currently not legal to use as a recharge, at least here in Canada. R134a is not as ozone unfriendly and is legal. To me, there are a few things that are worth paying for and doing right. I am currently converting over to the R134a and on Wednesday should be able to report on the result.[/quote]



Thanks Kim. Looking forward to your input. Might do the conversion myself....

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[madridcab]

38 centigrades and sunny in Madrid today, and it was plenty cool in my cab with A/C on (hood up), had to switch fan down to 1 for it not to be uncomfortably cold. No idea what gas is charged but being a 92, suspect R12 or later substitutes..

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[Kim]

Here is the update on the conversion from R12 to R134a. The air is cold, perhaps even colder than before I did this. The total cost was $1219. It is certainly nice to go back to the world of climate control knowing that my refrigerant is not "controlling the climate" as much.



Also have new wires to started, alternator and battery as well as to fuse block area. New voltmeter and oil pressure gauges. New heater hoses. New DME temperature sender. Even got the inside of the instrument cluster bezel cleaned!! Like a new car.



Then, of course, the muffler is suddenly getter louder. Probably time to get the header-back stuff from RS Barn. Always having a good time here in Nova Scotia.

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[Kim]

An updated update - all the new R134a refrigerant ran out of the car onto the driveway. So how environmentally friendly is that? Guess I need to take it back to more repairs (sigh) ....

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[968rz]

<img src="/forum/images/smilies/968/huh.gif" class="smilie" alt="" /> 134 is a gas not liquid, you should not "see" it on the ground and the amount of oil in the a/c system is about an once so that should not make it to the ground with all the covers and such.

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[Kim]

Well, as we say in Bugtussel -"I looked for it and there it was, gone" (or, by others, "I looked for it and found it missing") with an oily patch directly under the new Shrader filler valve and no A/C. In any event, be it gas, oil or some form of ethereal plasma, there is none in the system that I can see. And, the A/C blows warm air but, thankfully, I know that it doesn't matter what temperature it is in a room - it's always room temperature - so I am hoping the same rings true for Porsches.

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