I have a 92 YJ, uses R12. I bought a can. It's hooked up right now but it's not flowing.
Supposed to be hooked to the low side which i'm told is the part with the big hose that goes to the evaporator, i got that right i believe.
If you look at the back of the compressor theres fittings on top and bottom. I'm hooked to the bottom.
On the top high side theres a black cap with a valve inside you can turn. I was told to turn that. It was all the way clunterclockwise when i took the black cap off so i turned it all the way clockwise. It's just a shaft that looks like the shaft on an outdoor faucet. Anyway i opened that, the freons hooked to the bottom fitting and i still have the bubbles. it's not flowing.
Anyone done this b4? THX

well first off you most likely bought a can of r134a. As r12 is very very rare and you need special permits to obtain. Secondly, you need to buy adaptor fittings as the r12 hook up is different than the r134a. These fittings can be had for like $15 at part stores. Your also suposed to change out the condesor and everything else to work with the r134a as its much different than the r12.

how the hell is this hardcore jeep tech? :rolleyes:

This is some hardcore tech right here:rolleyes:

you wanna know how to fix that A/C? rip all that shit out, turn your compressor into OBA and quit whining about the heat.

well first off you most likely bought a can of r134a. As r12 is very very rare and you need special permits to obtain. Secondly, you need to buy adaptor fittings as the r12 hook up is different than the r134a. These fittings can be had for like $15 at part stores. Your also suposed to change out the condesor and everything else to work with the r134a as its much different than the r12.

i bought r12 (not as rare as people seem to think)and have all the proper fittings
it's out there hooked up so thats not an issue
that valve with. the outdoor faucet like stem might have been in wrong position to start with but i tried it both ways

how the hell is this hardcore jeep tech? :rolleyes:

it must be hardcore because noone knows jack shit about it including yourself

This is some hardcore tech right here:rolleyes:

you wanna know how to fix that A/C? rip all that shit out, turn your compressor into OBA and quit whining about the heat.

when it gets around 124 like it did last year where i live and i get in the scalding jeep i might need it but thanks for the helpful tip.

This may seem lame but I thought you had to have the AC on to add any
R12?

This may seem lame but I thought you had to have the AC on to add any
R12?

i had the jeep running and the ac on though. the can should get cold as it empties , it didn't really. it's a pretty small pin hole in the can though so maybe it just takes a LONG time lol. thanks for trying

u can try running water over the codenser to lower the head pressure and it will help it take the r12

oh, sorry, i thought i was on the hardcore board, nevermind...

Wow... we're discussing AC on PBB... and it doesn't involve cutting the hoses, splicing an air filter on one end, pressure switch and an air tank on the other... while dumping an ounce or two of motor oil down the intake.


someone didn't think this through before posting their thread eh?

:flipoff2:

what's the over/under on moooocow'd by noon?

That valve is the service port. It should be all the way out after charging, It should be turn in about 2 revs to charge with freon. You may have to vacumn the system to completely charge. If there is a low pressure switch in the system you may have to jump it to make the compressor run, in order to get the gas in.

X2 You have to have the compressor running to get it to suck the freon in. It "should" be evacuated to remove all the moisture, and will makes that there are no leaks, before you try to recharge it. No point in recharging it if you have a leak.