If you still havent started yet and are looking for tips, heres some:
Fellow member mentioned above checkng for leaks with a vac, but vac checking for leaks is not foolproof. o rings behave differently under vac as they could under PRESSURE. Well known in the pro ac world.
Also, cant rinse out condenser unless its the old style with NON paralell flow type. Parallel flow almost impossibel to "flush". You said its an 82 system, you could be Ok wth a flush.
Best way to pressure test: bring to a shop with nitrogen, bring to about 300 psi, then test with soap bubbles/other means as well. Then release the nitrogen. Shouldnt cost much- good insurance since, if you dump in R12 or r134a you can be wasting 2-3 cans or so. If you cant find a shop with nitrogen, theres abnother low cost way- PM me for it.......
I used my original hoses (87 car) but yours are a bit older. Hook them up, and pressure test- its worth a try to keep orig. otherwise, get a local hydraulics shop to make new- way cheaper than buying from a catalog house. I had a 2001 civic with "barrier" hoses factory that leaked only after 11 yrs or so. Sheesh- japanese........Chased that stinkin leak for months- it was elusive cuz slow leaks are the hardest to find- leak detectors cant detect to that low ppm level (gas leakage over 1-2 months). Finally found the leak myself using my own nose!!!!!!! No other detector would have found it!!!
Also, no need to get a vac pump if you have an aircompressor- you can hook up compressor to a venturi valve/pump from HF ($10 or so), and can reach close to 29.9 " mercury. Run for say, 15 minutes. But if you end up using HC gas, no need to evacuate to that level.
87 spider veloce
Last edited by Joe Papa Sr; 03-29-2014 at 02:11 PM.