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Author Topic: Info on front crank gear removal and seal. Thanks  (Read 1525 times)

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Offline fastfred

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Info on front crank gear removal and seal. Thanks
« on: December 14, 2014, 07:48:54 PM »
My 1977 Pinto 2.3 suffered a serious leak today.  There must be a seal behind the crankshaft gear?  Pulley on crank came off ok. Have it stripped down but the gear on the front of the crank seems tight.  Is it a sliding fit on the key? Any ideas on removal and there must be a seal behind it?  Oil has contaminated the nearly new cam belt so it will have to be replaced.  Any help will be appreciated.
Thanks in advance.

Offline Oso Calvillo

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Re: Info on front crank gear removal and seal. Thanks
« Reply #1 on: March 10, 2015, 07:34:35 PM »
Crankshaft seal

Offline dick1172762

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Re: Info on front crank gear removal and seal. Thanks
« Reply #2 on: March 11, 2015, 08:18:35 AM »
All three seals on the front of the engine are the same. You will need two different tools to remove and replace the crank seal. To remove the crank gear there is a split tool that goes around the gear with a ring that holds the split tool on tight. Then before you replace the seal there is another tool that puts the seal hole on center with the crankshaft. Tools are on E-gay from time to time but $$$$. The seal replacement can be done without the tools but you had better be one good mechanic and luckily. Get the hole off center and you'll be doing it over real soon. And most times its the cam seal that is leaking. Follow the oil leak to be sure.
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Offline amc49

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Re: Info on front crank gear removal and seal. Thanks
« Reply #3 on: March 12, 2015, 12:35:42 AM »
Measure the average airspace difference with seal gone from cover, or seal hole bore minus the crank OD there. Buy 3 same size drill bits specifically picked to be like .002"-.006" say smaller in size than that airspace distance. Keep the number low so the feelers used can flex to match the curve of any shaft or bore there. Stick them in the space there in a triangular pattern while mounting the cover and then use feeler gauges unbolted from the holder (I use Autozone #25025 feeler gauge sets IIRC) to be separate to shim up to the exact size there. Or, drill bit plus .005" shim on each corner of the triangle and keep adding in threes (.006, .007., etc.) until tight and no slack there. When done tighten cover in place being sure any lap over to pan surface is even as well, use a straight edge and more feelers for checking there. Both sides need even for good squeeze at pan. Install seal carefully after all that. Yeah, harder but the cover is dead centered on crank now.

Done correctly you can imitate any OEM tool that centers bores up on shafts, I used the same on C3 trans oil pump (notorious for breakage if that not done) as well, it will center within .002" and run forever.

I got a whole can full of feeler gauge pieces, they get used on all kinds of stuff, you need them coming out your ears when doing modern day ATX setups........ ..............

Offline dick1172762

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Re: Info on front crank gear removal and seal. Thanks
« Reply #4 on: March 12, 2015, 10:11:35 AM »
Go to  (ford rotunda t74p-6019-b) on e-bay to see the alignment tool and the 4th tool down on that page is the gear removal tool.
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