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Farmall & IHC Tractors Discussion Forum
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Super C Pan Bolts

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Bud

10-13-2003 15:41:12




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I have a leak that I believe is coming through the bolts on the left front of the pan.I'm going to try to seal them using Aviation Permatex. Can anyone tell me which pan bolt holes are exposed to oil or are all of them drilled through and exposed?Thanks




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Randy in NE

10-14-2003 04:59:24




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 Re: Super C Pan Bolts in reply to Bud, 10-13-2003 15:41:12  
Don't know which bolts are exposed to oil. A quick and easy test would be to remove the leaking bolt and then stick a piece of wire, a nail, or a gasket removal tool up into the hole. If it bottoms out then that isn't the problem. By doing this one hole at a time you won't be ruining your pan gasket.



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Mickey Cook

10-14-2003 04:40:39




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 Re: Super C Pan Bolts in reply to Bud, 10-13-2003 15:41:12  
I can't answer your question but I have the same problem. Mine leaks from the front and the back and just as you I don't think it is the seal in either case. Please let me know if you find a fix.



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Red Rider

10-13-2003 20:03:33




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 Re: Super C Pan Bolts in reply to Bud, 10-13-2003 15:41:12  
Hi Bud, I had the same problem with my Farmall 100. It has the same 123 as your Super C. I used the permatex thread sealer and stoped the leaks. I could not remember which holes are exposed to oil in the block so I just sealed the ones that were leaking.



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Paul Shuler

10-13-2003 18:02:34




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 Re: Super C Pan Bolts in reply to Bud, 10-13-2003 15:41:12  
I'm not sure if I understand your question for sure. All the bolts go through the pan, through a hole in the gasket and then into the threaded holes in the block. The holes in the four corners if I remember right are longer than the rest of the bolts.If you have a good gasket and nothing is bent on the pan and all the bolts are to proper torque then you shouldn't have a leak.I once had a rear main leak I could have swore it was the oil pan but it was running down then dripping off the same bolt all the time.

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Bud

10-13-2003 20:09:55




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 Re: Re: Super C Pan Bolts in reply to Paul Shuler, 10-13-2003 18:02:34  
I have been told that at least some of the threaded bolt holes in the block for attaching the pan actually extend into the interior of the block and are exposed to oil. Oil can then leak out through the treads. A solution according to a couple of respondeds is to coat the treads with Aviation Permatex. My question is " do all the treaded holes extend through the block"?



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Joe Perkins

10-14-2003 06:48:43




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 Re: Re: Re: Super C Pan Bolts in reply to Bud, 10-13-2003 20:09:55  
Bud, I'm rebuilding a Farmall 200 with a C123. No bolts are open to the inside of the block. Some people have had problems with oil coming out the two longer "outer" bolts of the four bolt pattern at both ends. The bolts hold a plate that spans under the crankshaft. Use a good thread sealer, Good Luck!



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Peabody

10-14-2003 06:26:42




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 Re: Re: Re: Super C Pan Bolts in reply to Bud, 10-13-2003 20:09:55  
Answer, "No." I know this from experience. The center bolts on the rear of the pan are not SUPPOSED to extend through the block. They use a shorter bolt. Not knowing this, I installed a longer bolt and pushed a hole through the block into the oil cavity. There was only about a 1/4" of block material between the bottom of the bolt hole and the oil cavity. Upon removal of the pan and inspection, the end of the bolt was precariously close to the bottom of the crankshaft. I assume it is the same with the front bolts. It is important to determine which pan bolt holes are for the longer and shorter bolts.

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Gary_N_WV

10-14-2003 07:06:11




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 Re: Re: Re: Re: Super C Pan Bolts in reply to Peabody, 10-14-2003 06:26:42  
I don't know about the 123 CID engine, but on my C with the 113 CID engine, there were 4 long bolts that go in the holes on each side of the crank.These holes were not all the way through the metal.



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