Have you ever had a muncie case leak trans fluid, just from the case like it was sweating? is this unique to all muncies are just some years? an what would be a good fix could you spray paint the case to help seal it, has anyone had this the trans is not leaking from the seals the case is wet with trans fluid like it is coming through the pores of the case.
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Re: muncie
never had a muncie sweat gear oil thru its pores. most of them leak out the front between tanny and bellhousing due to wear of cluster gear shaft. driving interstates, under such leakage conditions, may disseminate the gear oil all over the case to the rear of the leak point. i've had some luck loosening the tranny , pulling it back an inch or so(remove stock bolts one at a time and insert inch longer bolts), clean the shaft/case interface with ether then smear RTV over the shaft and case. retighten the tranny and keep fingers crossed. good luck, mike -
Re: muncie
Lyndon...
Mike is right on...also check the three grearshift lever seals.Comment
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Re: muncie
lyndon-----
Casting porosity on Muncie main cases, while rare, does occur. It's one of these things that doesn't just "all-of-a-sudden" occur, though. If it's there. it's been there since the transmission was new. So, if you've had the car for awhile and it didn't leak this way before, then there's no way that you have a casting porosity problem.
If it is a casting porosity problem (and that's a BIG IF since it's MUCH more likely other things), you may be able to remedy it by sealing the case from the INSIDE. You'll never remedy it by EXTERNAL sealing. To do this you'll first need to clean the case SCRUPULOUSLY so that every last trace of oil is removed. That, in itself, will be well-nigh impossible since, in a situation of casting porosity, the gear lube will actually permeate the aluminum and be virtually "inextricable". However, if you could get it all out, then an interior coating with about 3 coats of Rustoleum paint or General Electric Glyptal coating should render the case "sealed".In Appreciation of John HinckleyComment
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Re: muncie
this trans has done it from day one when it was new, it seeps fluid so that why I think it is the case, at this time I will live with it as I dont want to tear into it. thanks JoeComment
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Re: muncie
Lydon:
I had the same problem with a finned aluminum valve cover. Removed cover and THOROUGHLY flushed porous area with lacquer thinner. Then roughened area with 60 grit, and applied a liberal amount of epoxy (JB Weld, or equivalent). This repair was done to the inside of the cover, and has held up for three years, so far. It should be fine, as this is not an area subject to stresses, or pressure.
Your trans case will respond just as well to such a repair, as long as the patched surface is meticulously cleaned prior to application of the epoxy. If you are not ready to disassemble the unit, then you can make a temporary, albiet unsightly repair to the outside of the case, in the same way.
JoeComment
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