The Ford Power Stroke 7.3-liter diesel engine is most useful in heavy trucks that require low-end torque. Ford manufactured this engine from 1995 to 2002 and typically installed it with a turbocharger in Ford Super Duty trucks. The procedure for replacing the high-pressure oil pump is generally the same for all Super Duty trucks with a 7.3-liter diesel engine. The majority of this procedure involves the removal of the radiator and crankshaft damper to access the oil pump.
- Skill level:
- Moderately Challenging
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Things you need
- Drain pan
- Small pry tool
- Torque wrench
Remove the cable from the negative battery terminal with a socket wrench. Put a container under the drain hole in the radiator and remove the drain plug. Drain the coolant into the container, then fasten the drain plug.
Release the push-in fasteners on the air intake duct with a small pry tool. Disconnect the air intake duct from the radiator. Remove the expansion tank from the radiator with a socket wrench if your vehicle is so equipped. Disconnect the radiator support cover.
Disconnect the cooling fan shroud and the cooling fan from the engine with a socket wrench. Detach the coolant hoses from the radiator. Disconnect the mounting bolts for the radiator and remove the radiator.
Turn the belt tensioner to reduce the tension on the drive belts, and remove the drive belts. Disconnect the retaining bolt in the center of the crankshaft pulley bolt and remove the pulley. Pull the crankshaft vibration damper from the crankshaft.
Disconnect the mounting bolts for the oil pump with a socket wrench. Remove the oil pump and its gasket from the cylinder block.
Connect the new oil pump and gasket to the cylinder block and tighten the mounting bolts to 14 foot-pounds with a torque wrench. Perform steps 2 through 4 in reverse sequence to complete the oil pump installation.
Attach the cable to the negative battery terminal with a socket wrench. Start the engine and correct any oil leaks.
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