What kind of flare is used on the cooler lines going to the radiator?


Joined
Jan 3, 2026
Messages
3
Points
1
City
Reading
State - Country
MI - USA
Other
84 Eagle, 05 Caddy
Vehicle Year
1994
Vehicle
Ford Ranger
Drive
2WD
Engine
4.0 V6
Transmission
Automatic
Total Lift
Stock
Total Drop
Stock
Tire Size
Stock
I had to replace the radiator on my 94 Ranger and I twisted the lower line off. I have the flare nut and all that still. I couldn't find a transmission cooler line, so I gambled on those barb fittings (pictured below)...TWICE and both of them leaked right away. Since the lower line goes to a transmission cooler in front of the rad and condenser, keeping a soft line would be advantageous. I have 3/8 hard line and the old flare nut, so I figure I could make my own barb fitting, is it a 45* inverted flare like on brake lines?
 

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  • What kind of flare is used on the cooler lines going to the radiator?
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