2.3L ('83-'97) 93 ranger ac issue


Jfam4l


U.S. Military - Active
Joined
Mar 4, 2026
Messages
1
Points
1
City
Alamogordo
State - Country
NM - USA
Vehicle Year
1993
Vehicle
Ford Ranger
Drive
2WD
Engine
2.3 (4 Cylinder)
Transmission
Manual
Total Lift
Stock
Total Drop
Stock
Tire Size
18” off-road tires
Hello guys I’m wondering if anyone can help me here . I have changed out my old r12 condenser, compressor,ac lines and accumulator as well as the low side cycle switch as well as the relay. I also bought an auxiliary fan to cool the condenser… I can leave it idling for about 3 hours and the refrigerant doesn’t vent through the high side relief valve but as soon as I go for a 30 minute drive then idle for about 3-5 mins the relief valve vents all the refrigerant, I caught it one time with the gauges connected and it vented at 300psi. I got all my parts from rock auto with the brand called UAC and of course this year doesn’t come with a high side pressure switch only the valve… I notice that the pressure valve is a short bronze valve on my new ac lines that “according to online” supposedly uses r12 Freon. Would me getting the r134a relief valve from a 1994 ranger prevent my valve from venting
 

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