dwb91lx

So my 91 LX convertible 5.0 I just purchased a few weeks ago had a "no blow cold" disclaimer when I purchased it...What to do? Since I work for an HVAC company we decided we would toss in a couple cans of ES12a refrigerant after reclaiming the small amount of r12 that was in the system (which was good news, not flat). We did get it operational & blowing nice cold air.

Since I know the compressor works now...& the car had only been driven a few thousand miles in the last 10 years....I would assume it had some leakage due to lack of operation.

I think the right thing to do now is reclaim the ES-12a (LP Gas) & go back to R12 while it is still somewhat available on ebay for about $100. I'm keepin this car long term & would like to avoild 134a...Anyone know of a good stash supplier?

I'm thinking I'll do an o-ring job on the system (where's the best place to find?) verify a long term leak check, & stay on r12.

Does this make sense to the cooling know-it-alls out there?

Anxious for replies before it gets hot...Dave

mjr46

the cost to convert it to 134 is far cheaper than purchasing r-12, change fittings, reciever drier, o-rings and add ester oil and be done with it

Bubba 95SN

What he said.

Boss_Hotrod

Yeah. Other thing would be to get some Freeze12, but swapping it to 134a would be the best route. Just remember it runs at higher pressures than r12.

dwb91lx

I believe Freeze12 is the same that's in there now temporarily (ES-12A)...I think if I were going to use 134A in my R12 designed system, I would lean towards replacing components (designed for R134A).