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It's not too horribly difficult to remove the pump, but there are a few tools you will need
The seal can be replaced without too much difficulty, but if you don't already have the special pump gear puller, the easiest thing to do is remove the pump bracket to block mounting bolts ( this is tedious for the two directly between the pump and the bracket, the one below that holds the dipstick tube as well is easy to reach with soclet and extension soak the bolts with Aero-Kroil for a couple of days before starting incase the last gorilla to work on it overtightened things )
First remove the belt guard, turn engine to tdc #1 there should be a mark on the pump gear and the small hole in the gear will line up with the hole in the pump bracket,Take a marker and mark EXACTLY where the pump lines up with the bracket, feel the belt tension so you can get it close on install.Remove the injector lines( at least a 17mm flare nut wrench needed, a 17m flare nut crows foot wrench comes in REAL handy, about $20 from snap on ) then loosen the pump bracket pull the belt,Remove #6 glow plug wire, pull the pump bracket bolts all the way and wrangle the pump out with the bracket.
Now take the whole works to a diesel injection shop and pay them to pop the gear off, and for a few bucks more, just replace the shaft seal ( either that or buy the seal and replace it yourself, not hard, but you know they'll get it right, after yanking that pump, you'll be seriously considering paying them :-)
Replace is the opposite, HOPEFULLY you will get it close enough to run, but if not, you'll need to buy a timing gauge
I'm not sure about trying a turbo pump, but I have a bad feeling about it.I think the internal cam is different.
.Don't waste your money on a used pump, you'd most likely just be buying a rebuildable core...which is what you already have.
------------Robert
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-------Robert, '93 940t, '90 240 wagon, '84 240 diesel (she's sick) , '80 245 diesel, '86 740 GLE turbo diesel, '92 Ford F350 diesel dually
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