Ford High Pressure Pumps
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6.0 and 7.3 Powerstroke High Pressure Oil Pump
The Ford 6.0 and 7.3 Powerstroke high-pressure oil pump is actually the injection pump. The HEUI fuel injection system uses an oil pump to supply high-pressure oil to the hydraulic electric unit injectors. This pump replaced what would have been an injection pump on older diesel injection systems.
The 6.0 and 7.3 high-pressure oil pump are primarily made of aluminum. Because of the aluminum structure and the extreme high pressure produced by the pump, external leaking can be a problem as the pump ages.
When the 6.0 and 7.3 high-pressure oil pump are remanufactured, the o-ring bos threads can become worn and are prone to leaking engine motor oil. When this happens, it is almost impossible to replace the o-rings and stop them from leaking. The pumps have to be remanufactured in a factory environment with the proper tools to stop them from leaking. The o-rings are specially designed for this application and can't usually be purchased in the aftermarket.
The maintenance of the Powerstroke determines the life of the high-pressure oil pump. The 6.0 and 7.3 high-pressure oil pump (injector pump) uses the same oil the engine uses to pump the injectors. This is the reason good clean motor oil is imperative for the system to operate properly.
The 6.0 and 7.3 Powerstroke high-pressure oil pump uses an IPR valve and an ICP sensor to maintain the proper oil pressure. Proper oil pressure is required to operate the fuel injectors under different power requirements. The Powerstroke fuel injectors need different pressures to idle, accelerate, and maintain a steady driving speed.
We offer a complete 7.3 and 6.0 Powerstroke high-pressure oil pump and system diagnostics guide to determine what could be causing you problems. The removal an installation of the high-pressure oil pump is a pretty straightforward procedure. The pumps can be ordered with or without the IPR valve.
When removing a 7.3 or 6.0 Powerstroke high-pressure oil pump do not remove the fitting from the pump. Removing the fitting can damage the threads beyond repair. The lines unscrew line from fittings to insure no damage is done. The fittings stay with the pump. The 1999-2003 7.3 Powerstroke uses a special fitting that will require a wrench much like the wrench that would come with a toy that needs assembly. This same wrench is thin enough to release special fittings. If you try and screw fitting from new pump you could cause new pump to leak.
The pumps from ForDiesels.com come with all of the necessary seals and gaskets for installation.