7 3 Idi Injection Pump Diagram

And then line up the y mark on the camshaft gear with the y mark on the ip injection pump gear.

7 3 idi injection pump diagram. This can be checked by opening one or more injector lines. After changing the pump i just static timed it and then advanced it by a dimes width. The major components of the system are the lift pump filter head and filter fuel injection pump fuel injectors return system selector valve and the fuel tanks. The fuel injection system on the classic 6 9 and 7 3 liter international navistar engine used in diesel fords from the 70s to the early nineties is relatively simple but some confusion still remains about how it functions.

First you will want the crankshaft in the tdc top dead center position. I am looking for a diagram of the injection pump for my 1994 f250 7 3 idi. Loosen the two bolts and remove the cover after placing rags and a catch can under the engine to collect the half pint of fuel contained in the adjustment port. Unfortunately since the 6 9 7 3 is a 4 stroke engine there are two tdc positions.

Note that silicon gasket material is used to seal this part and it will be necessary to clean off all the old gasket material before reassembling. If the engine won t start all other checks are normal and there is no air inside the injection pump chances are the transfer pump is not producing enough pressure to start the engine. It is shaped like home plate on a baseball field. Well that is all good and wonderful if you have the front of the engine all apart but if you don t then here is what i did.

To properly do dynamic timing you n. One is where. Transfer pump pressure is taken at 3300 rpm and should be 90 110 psi for 6 9. Mine is a 94 f super duty with a dump body but these ought to help out for 90 94 f250 f350 even bronco.

7 3 one solution to that problem is the diesel engine with more torque 6 9l idi 7 3l idi and 7 3l idit 1983 1994. Is there any kind of internal filter or screen which i can check to see if it is. One spot easy to find at least for me the next time i go rooting around for em. In the diagram above.

On all 7 3 and later 6 9 engines the injection pump gear cover is a metal plate located on the front of the injection pump gear housing and in all cases is held on by two bolts. 90 120 psi for 7 3. 7 3 idi injection pump wiring diagram furthermore 7 3 ford repair manuals engine diagram diesel fuel regulator. Remove the bolts and remove the plate.

Locate the injection pump at the front of the engine. 7 3 idi diesel problems. Here are 7 3 idi non power stroke wiring diagrams to help find those pita fusible links among other things. 7 3 idi injection pump diagram.