1987 Chevy R30, converted to r134. All new A/C components except evaporator. In morning will cool vent to about 52 degrees, pressures 35/220, but as the day warms up temp at vent gets hotter to about 80 degrees and the pressures rise to about 60/300. Put fan on it and pressures will drop a little bi...

we got a denso compressor and installed recharged system. the low pressure dropped to 48 then to 50 and back to 55 in just a few minutes and vent temp still at about 68 degrees.

WE HAVE A DENSO COMING. WILL POST RESULTS TOMORROW OR THURSDAY. THANK YOU FOR YOUR HELP

Blocked air flow and high pressure only went to 300psi at 2500rpm

HUMIDITY TODAY IS 19% BUT USUALLY WE ARE PRETTY DRY HERE, AS WE ARE IN THE HIGH DESERT. THE PRESSURE SPECs SHOW THAT OUR PRESSURES ARE WAY OFF. THE SPEC FOR THIS VEHICLE WITH FRONT AND REAR AIR, LOW RANGE 36-50PSI AND HIGH 270-299PSI. SO WITH THAT IN MIND OUR LOW SIDE IS HIGH, AND OUR HIGH SIDE IS T...

LOW PRESSURE 55PSI, HIGH PRESSURE 225PSI, VENT TEMP 62 DEGREES, AMBIENT TEMP 83 DEGREES. FULL CHARGE. BOTH EVAPORATOR FANS ON

THE AMBIENT TEMP WAS ABOUT 90 DEGREES

i have a 2003 toyota sequoia presenting with ac not blowing cold. pressures came in with low side 55 and high side 225. also found compressor to have a little leak. went ahead and changed compressor, and both expansion valves. recharged system and pressure was low was 60 and high still 225. sprayed ...