Quote:
Originally Posted by Danglerb
Evacuate, leak check, purge, replace dryer, hold a hard vacuum for a few hours, refill. R12 if you can get it works best.
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Thanks I doubt I can get R12 ?
ABOUT THE DRYER
Just what Exactly goes wrong with the Dryer anyway ? I can find no info on the net so far on that > Just says replace it < But not why ? or what goes wrong with it
Does it get Plugged up with something ?
I understand you can get a aftermarket one for much less other then the original one . Also that they work just fine .
Here are some comments from Pelican :
Comments: I am having question about the a/c of porsche cayenne.when do we need to replaced the dryer cartridge and what is the symptom or reason to replaced it.
March 15, 2012
Followup from the Pelican Staff: If there is a leak in the system or a restriction, you would replace it. - Nick at Pelican Parts
Comments: I have a 1985 911 cabriolet. I took the belt off the compressor 10+ years ago because the a/c never cooled very well and i got tired of replacing Freon. Will there be a problem if I put a belt on and recharge the system at this late date?
August 8, 2011
Followup from the Pelican Staff: Maybe. i would check if the compressor spins freely. Sometimes compressors will seize when not used. At the minimum, check it for leaks and replace the receiver/dryer. - Nick at Pelican Parts
Comments: I have an 87 944S, and would like to get some A/C going for the hot summer, but the system only takes R12 and that is not available in stores... rumors have it that some places may sell it but will charge an arm and a leg due to the environmental controls. Anyhow, I have seen the R134a conversion kit which adds some sort of valve. Is this something I could use and do myself? You mentioned earlier that 'extensive' changes are required, but I wonder if I can get more detail. Also, I don't know how long it has been not working, so could other things be wrong with it clutch?. The fan blower works, heat works great. Thanks!
June 17, 2011
Followup from the Pelican Staff: I would have the system leak checked. Repair the leaks. Then replace the receiver/dryer and retrofit to R134. You should be OK. - Nick at Pelican Parts