The best way is to use the amount that was for 12 as a guild and use the pressure gauge as the test the low side should be just high enough to keep the compresser running with the engine reved up ( highway speed constant) it will be right at the low end of the blue end of the gauge and it should stay below the high end of the blue at idel. if it goes too high it won't cool very well or not at all. The more freon after youhit staying on the less cooling you'll get so try to put in as little as possible just to keep it on and it'll be as cool as it will get. ( not very good ) The old cars don't cool very well on 134A. A new compressor and a comdenser for 134A and the expansion valve too and they still doen't do very well. Make sure everything is as clean as you can get it ( raditor, condenser, Grill, Fan, (running fast). and it might get cool enough that you'll drive with the windows closed ( it's that bad). The cars too old to go though changing all the parts too the sizes that work good in the 93 and newer Camery. And the fitting of these sizes of parts may not really work.
192 views
Usually answered in minutes!
×