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Originally Posted by tekgnos
OK so fast idle the engine with max AC on while doing all this. But I still have the valve wont fit problem.
All I do is unscrew that little cap with my hand and attach the hose correct? Or do I have to unscrew the cap and then use a wrench to remove the fitting so that I can get the recharger hose closer to the actual valve? (the problem is the little nipple on the recharge can doesn't reach far enough into the fitting in order to depress the valve and get it pressurized)
Thanks for the help with these relatively simple questions....
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also, if you are not putting the entire can of 134a in, always charge with the can upside down. this freon is a mixture of several chemicals, and it will seperate at differant pressures. so you need to put in the liquid, VERY SLOWLY if the system is running.
it is best to weigh the correct charge and put it in on the liquid side *(small line high pressure fitting) after evacuating the system and with the system NOT running.
but minor charging can be done on the low side, just use liquid with the can upside down.
John