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High Pressure Oil Line

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Probably the hardest part for this 5.4L Ford installation was hooking the pressure line into the high-pressure oil circuit. The only access is at the oil pressure sender, which is in a very inaccessible place. With a union, you can attach the hose and the sending unit to the same port, but it’s a tight fit. Use Teflon tape on the fittings to avoid leaks.