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Old 09-11-2019, 09:26 AM   #1
alexiskai
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Default 7-tooth column leaking post-rebuild

I had my 7-tooth steering column rebuilt by a local machine shop. I'm pleased with the result, but after several months it's developed a bad leak. I can't quite tell whether it's leaking out the cover housing or the lower bearing or both.

Question for the forum is, is it feasible for me to try to repair this without pulling the column? My plan is to remove the cover housing and install a new gasket with sealant, then wait and see if the leak resolves; if not, do the same with the lower bearing. I would re-use the lower bearing shims.

Thoughts? Good/bad plan?
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Old 09-11-2019, 10:21 AM   #2
denniskliesen
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Default Re: 7-tooth column leaking post-rebuild

Determine where the leaks are coming from first. You don't want to take something apart when nothing is wrong with it. If it's leaking down front then remove the light switch and look in the area of the seal area where the horn rod goes through the steering shaft. If it's leaking where the nut screws up in the housing, it could be it's not sealed around the threads, or they used a felt packing for the seal. Get a nut with the brass tube to replace it, they work much better. If it's leaking from the lower bearing housing bolts to the box, then they might have used brass shims which will not seal oil from leaking out, I've used a little sealer there and stopped leaks.

A 7 tooth steering box can be the worst, but can also be sealed up. Several things can be done without removing the steering box from the frame.
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Old 09-11-2019, 10:24 AM   #3
alexiskai
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Default Re: 7-tooth column leaking post-rebuild

Good idea, I'll inspect the location where the horn rod exits; if there's fluid there then that's the likely culprit.

What should I use to seal around the threads?
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Old 09-11-2019, 11:41 AM   #4
Ranchero50
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Default Re: 7-tooth column leaking post-rebuild

https://modelagarage.com/service_bul...steering-gear/
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Old 09-11-2019, 11:49 AM   #5
alexiskai
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Default Re: 7-tooth column leaking post-rebuild

I know how to pull it, I just don't want to pull it.
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Old 09-11-2019, 02:49 PM   #6
J Franklin
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Default Re: 7-tooth column leaking post-rebuild

Use some solvent or BrakeKleen and get the parts good and dry. that will really help in locating the source of leakage.
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Old 09-11-2019, 03:40 PM   #7
Tudortomnz
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Default Re: 7-tooth column leaking post-rebuild

They actually do leak, right from day one [Model A era]. That is why grease was put in them in the old days, which is a bad thing to do to a steering box of this type.
Go to your John Deere agent & buy a cylinder of Corn Head grease which is a very thick oil/grease designed for combines etc where gear oil can leak out. I put it in via a syringe, as it does not really pour. Under heat or pressure it will act like the heavy oil that was originally used.
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Old 09-11-2019, 03:45 PM   #8
BRENT in 10-uh-C
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Default Re: 7-tooth column leaking post-rebuild

Quote:
Originally Posted by alexiskai View Post
I had my 7-tooth steering column rebuilt by a local machine shop. I'm pleased with the result, but after several months it's developed a bad leak. I can't quite tell whether it's leaking out the cover housing or the lower bearing or both.

Question for the forum is, is it feasible for me to try to repair this without pulling the column? My plan is to remove the cover housing and install a new gasket with sealant, then wait and see if the leak resolves; if not, do the same with the lower bearing. I would re-use the lower bearing shims.

Thoughts? Good/bad plan?


Do you know whether one of these was installed?

https://www.snydersantiqueauto.com/P...INER-WITH-TUBE




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Old 09-11-2019, 07:26 PM   #9
alexiskai
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Default Re: 7-tooth column leaking post-rebuild

I did install the oil retainer, yep. That's why I thought the cover housing was a more likely source of the leak.

This leak is a big one, and fairly sudden. Like, no leaks for a couple months and then one day a big puddle of steering fluid on the floor after a drive.
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