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mpb
Dodge Dakota
JOIN HERE
12/17/2007
01:12:10
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 Subject: NV231 Slow Leak
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Message:
My transfer case has a slow leak at the base of the output shaft cone. It is not the output shaft seal, rather, the base of the cone where the output shaft retainer mates with the main transfer case (in other words, the first mating surface towards the back of the truck after the halfway mark that splits the transfer case in two).
I realize the following are pretty specific questions, but here goes:
1. It looks like this seal is simply created from gasket maker--there is no pre-manufactured gasket or other seal to buy. Is this true?
2. Can it be fixed without dropping the case? Can I drop the drive shaft, remove the output shaft seals and snap rings, and pry the cone off all without dropping the case?
3. Will I potentially create more problems / bigger leaks by trying to fix it it? Why not just keep adding fluid as needed (6 months of slow leak and the fluid is still at the hole).
4. Can I potentially fix it simply by tightening the bolts that hold the cone against the case? How much tighter?
5. Any opinions on using transmission stop leak to fix this?
6. Would the failure of this mating surface have anything to do with t-case oil pump or other component failure?
Any and all thoughts welcome. Thanks in advance.
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mpb
Dodge Dakota
JOIN HERE
12/17/2007
22:25:49
| RE: NV231 Slow Leak
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Message:
Okay thanks anyway...here's the answer in case anybody turns up this post in the future.
It is just gasket maker--there is no seal. It is the most common location for the NV231 case to be leaking. It can be changed out without dropping the case. Usually it's a good idea to replace the output shaft seal while you're in there anyway--they're cheap.
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choochoo
Dodge Dakota
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12/17/2007
23:39:59
| RE: NV231 Slow Leak
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Message:
Just in case you end up with a metal crack that leaks, I have successfully dropped the drive shaft, split the transfer case ( on the truck ), sealed the crack with 'JBWeld' ( after blowing it clean with compressed air ), and reassembling the unit.
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mpb
Dodge Dakota
JOIN HERE
12/29/2007
12:39:52
| RE: NV231 Slow Leak
IP: Logged
Message:
Actually there is a seal there. Most NV231's don't have one, but for some reason the one on my 2000 Dakota does. The seal was about $40 and could only be ordered from Chrysler.
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