If it continues to leak after you tighten the fittings, you might want to remove power from the pump, bleed pressure off the system and take the leaking union apart. Quite often there is damage to the flared ends or possibly even a split fitting. If you find something, obviously replace the damaged part, if you don't you might try a little Loctite 545 or 5452 thread sealant on the fitting threads. Renember, the "seal" in hydraulic fittings is NOT the threads, but rather the flared ends of the components.
Teflon tape is frowned on is hydraulic joints.
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John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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