CAN SOME TELL ME WHAT i NEED AND HOW TO ADD FREON TO MY AC UNIT,IT WORKED GREAT LAST YEAR,BUT THIS YEAR NOT GOOD

THANK YOU

the port is behind the area of the passenger side headlight(cap with 6nm on top)

Buy a can that comes with a leak sealer and recharge with one can. If the leak is small enough then you're in luck and the ac should cool. If the leak is big then most likely the evaporator is the culprit.
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'98 v70 GLT John, Tampa Bay

Hi,

Any special brand of freon/sealer that you can suggest or are they all the same?

TIA
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Brian M. - 1998 S70GLT, 1998 S70, 1991 Maxima SE

wal-mart, autozone sells a 10 or 12 oz can of freon that comes with a leak sealer for about $6, I believe made by Interdynamics Corp.

I wouldn't use a 19 oz can, is too much, better use 2 10 oz cans. The total ac system holds 1 lb 7 oz for a total of 23 oz. Thus when the system is low a 10oz can should bring the system back to fullif the leak is minor and sealed by the sealer. If you have a major leak then your system is empty and a 19 oz won't cure your problem since the freon will leak again.
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'88 240, '92 745, '98 v70 John, Tampa Bay

Unless you have access to a bottle of compressed gas i think you will be relegated to the local shop. The more important question is where did the refrigerant go? If the system has a leak you have a bigger problem. Take it to the shop and have a proper evaluation done.


cheers
Yello