4-speed shafts
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Senior User
Joined: May 2006
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4-speed shafts
Once again my shaft is too small for the hole and I am leaking all over the place. I am pretty sure its the main shaft. its still a pretty darn tight fit, too tight for silicone sealant. I am not sure I want to use loctite but I think it needs to be thin like that. Any ideas?
Hotshot
Joined: Jan 2001
Posts: 16,882
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From: SE Wisc. (the Rust Belt)
Everything leaks some under my truck, ask Doc. I think of it as natural undercoating, nothing under my truck will ever rust out, my fenders and box maybe, but not my frame.
I don't thing my four speed leaks but I know my main upper rear on the engine does and the old girl leaves spot where ever I park it, the truck that is.
I don't thing my four speed leaks but I know my main upper rear on the engine does and the old girl leaves spot where ever I park it, the truck that is.
Post Fiend
Joined: Jun 2001
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From: Erie, pa
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Hotshot
Joined: Jan 2001
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From: SE Wisc. (the Rust Belt)
Hey Doc, this reminds me, what ever happened to the free exams at Truckstock? 
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Roast em' if you got 'em
Joined: Mar 2005
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From: Rio Rancho, NM
OK, first of all......
....no...uh...nevermind, I just can't go there, this is a family site afterall
(walk away Bobby, just walk away. I know the temptation is strong with this one but just walk away)
((btw....that was my concious talking to me))
....no...uh...nevermind, I just can't go there, this is a family site afterall
(walk away Bobby, just walk away. I know the temptation is strong with this one but just walk away)
((btw....that was my concious talking to me))
Welder User
Joined: Feb 2009
Posts: 5,269
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From: northwest MT
Does the trans use an oil "slinger" instead of a seal? (slinger is a disc with spiral grooves to direct oil away) If it is missing or installed wrong it will leak bad......could also be a crack or a bad gasket?
Laughing Gas
Joined: Sep 2010
Posts: 995
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From: Mid-Michigan
Historically, the most common automotive solution to deal with an undersized main shaft was to purchase a much larger truck than anyone else.
And on a cautionary note, I don't think anyone should apply loctite to their main shaft. Too many risks of unintended side effects.
And on a cautionary note, I don't think anyone should apply loctite to their main shaft. Too many risks of unintended side effects.
Laughing Gas
Joined: Jun 2010
Posts: 1,035
Likes: 330
From: Waterford, VA. USA
Historically, the most common automotive solution to deal with an undersized main shaft was to purchase a much larger truck than anyone else.
And on a cautionary note, I don't think anyone should apply loctite to their main shaft. Too many risks of unintended side effects.
And on a cautionary note, I don't think anyone should apply loctite to their main shaft. Too many risks of unintended side effects.
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Senior User
Joined: May 2006
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my shaft
Doc, its not a slip yolk like modern cars, the yolk bolts in and is sealed (new seal). I am pretty sure its the lower shafts that come thru the housing. Dont think the smaller intermediate shafts have a slinger but even so thats not going to stop a loose fit. The old girls hole is just worn out.