Replacing Oil pump in Ford Expedition

SOURCE: does 2005 ford expedition have a timing belt or chain?

v8s have timing chains

SOURCE: 2001 Ford Ranger V6 timing chain

Hello;
The Ford motors are pretty good. I had 280K on a 2.9 V-8 that only needed the oil changed every 3K. Unless you have fluctuatuation in the timing then you should be ok.
These engines use a chain rather than a belt and have excellent life.
Thanks;
Rich RPM Northwest

SOURCE: remove and replace 1984 ford f250 460 water pump

Water pump

Disconnect the battery ground.

1. Drain the cooling system.

1. Remove the bolts securing the fan shroud to the radiator, if so equipped, and position the shroud over the fan. Remove the fan assembly.
Remove the fan shroud. Remove the accessory drive belts and water pump pulley. Remove the alternator and brackets. Remove the compressor and bracket and lay it aside. DO NOT disconnect the refrigerant lines! Remove the power steering pump and brackets. Lay it aside. DO NOT disconnect the fluid lines! Disconnect the heater hose and lower radiator hose from the pump. Remove the bolts securing the water pump to the engine and lift off the water pump. Clean all gasket mounting surfaces thoroughly.
To install:

Install the water pump in the reverse order of removal, using a new gasket coated with sealer. Torque the bolts to 12-18 ft. lbs.

Install all remaining parts in reverse order. Fill the cooling system, start the engine and check for leaks.

TIMMING CHAIN

1. Remove the front cover.
2. Rotate the crankshaft counterclockwise to take up the slack on the left side of the chain. establish a reference point on the cylinder block and measure from this point to the chain.
3. Rotate the crankshaft in the opposite direction to take up the slack on the right side of the chain.
4. Force the left side of the chain out with your fingers and measure the distance between the reference point and the chain. The timing chain deflection is the difference between the two measurements. If the deflection exceeds 1 / 2 inch; (13mm), replace the timing chain and sprockets.

1. Turn the crankshaft until the timing marks on the sprockets are aligned vertically.
2. Remove the camshaft sprocket retaining screw and remove the fuel pump eccentric and washers.
3. Alternately slide both of the sprockets and timing chain off the crankshaft and camshaft until free of the engine.
4. Position the timing chain on the sprockets so that the timing marks on the sprockets are aligned vertically. Alternately slide the sprockets and chain onto the crankshaft and camshaft sprockets.
5. Install the fuel pump eccentric washers and attaching bolt on the camshaft sprocket. Tighten to 40-45 ft. lbs.
6. Install the front cover.

SOURCE: replace oil pump on 3.8 Ford Windstar. Do I need

water hose? its a lot more involved than that. if it needs an oil pump...it needs more than that. have a shop check it out.

SOURCE: 4.6 Expedition engine diagram

throttle position sensor problem