Oil leak
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From: Great Falls MT
Oil leak
I Have a 1976 F-250 4x4 with a 360 engine. Bought the truck new and she still runs, problem is, back in 1981 one of the connecting rods took a side trip and took a couple of pistons with it. I bought a rebuilt and put it in. It ran fine but had a horrible oil leak since. Over the years I brought it in to different shops to no good end. Back in 2002 I had a friend rebuild the engine again, thinking we will get to this leak problem. Nope. I recently found the source of the oil leak with the help of my bride. because the oil pan sump is in the rear of engine, the dip stick goes through the oil pan. The problem is, where the oil filter bolts to the block, there is another hole just aft of it where the original dip stick went on the 2wd trucks. Now my question is, how do I seal this hole up???? or is it just as easy as it looks and shove something in it? Seems to me there would have been a proper way of doing this. Thanks for any help with this.
Howard
Howard
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Joined: Mar 2011
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From: Taxachusetts
You can use those "mini" freeze plugs. I ferget the real name but a machinist/builder should have a bunch of 'em. Pop them in just like regular freeze plugs.
Someone else here have the real name?
Edit: found my old pack.....from Ford dealer, service parts......EAA-6572-A....plug. Don't know if they're still available from Ford.
Someone else here have the real name?
Edit: found my old pack.....from Ford dealer, service parts......EAA-6572-A....plug. Don't know if they're still available from Ford.
Hotshot
Joined: Apr 2009
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From: Stanley, VA
If I remember right, the dipstick tube is 3/8" diameter.
But you are correct, they use a small core plug to plug the hole. I think they're the same size as the ones that come in the core plug kits, the ones that have the freeze plugs, cam plug and galley plugs.
As an alternative, you could tap, thread and install a pipe plug.
EDIT: I just did a search. If EAA-6573-A will work, there are over 300 at various Ford dealers and obsolete parts suppliers, but you should be able to get the plugs at the parts store....your best bet would probably be NAPA.
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Joined: Mar 2011
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From: Taxachusetts
No little plugs that I can see, and I'm not tearing open the package to check. I have enough of those "little" plugs for my needs anyway.
Thanks for the info, Mike.
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From: Taxachusetts
Good luck
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If a 3/8" tap will make threads that's a great idea. If it won't, still a good idea. Clean the hole thoroughly with solvent like lacquer thinner, coat the bolt with RTV and push it in. Its not elegant but very effective and will hold up.
Elder User
Joined: Mar 2013
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From: In Hastings Delton area
I have used a short bolt and silicone and tapped it in with a hammer may have to grind threads off bolt .Trying to tap the hole with a tap not the best idea because you will be getting metal shavings in your motor
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From: Great Falls MT
The only problem I see is the hole is not perpendicular to block, but on a angle making it harder to tap. I'll see how the felt works for now but will probably take oil pan off and run bolt clear through with sealant.
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