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  #1  
Old December 5th, 2007, 09:49 AM
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Nando Zorrilla
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Identify This Leak

My D-90 and my friends D-90 suffer from the same sort of leak on the transfer case. I could use some help identifying the source. Also, how do you check the fluid level, what sort of oil is used and how its filed. Thanks to all.
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  #2  
Old December 5th, 2007, 10:17 AM
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Andrew Najarian
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It looks like you need a Transfer Case Reseal. To do this you need to pull it out, and separate the two halves, clean up the mating surfaces and reseal it. The trick is keeping all the shafts etc. in place as you put the two halves back together. It really helps to have a second pair of hands. You will need new input and output seals as well.

Filling is a good question. Some of them use Dexron III trans fluid and others use regular gear oil. Hopefully someone else will chime in here.

IIRC the fill plug is on the back side of it between the Y-pipe & E-brake drum. It is a 1/2" drive square plug like the differentials use.
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  #3  
Old December 5th, 2007, 10:24 AM
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Jim Cheney
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Looks like a a bad o-ring on the intermediate or "lay" shaft. Thats not the easiest fix - one of those "8 hours of labor for a 15 cent part" kind of jobs. I fill my cases with 80W-90 using the fill plug at the back. The case is full when the oil is level with the bottom of the hole. I really dont know anyone who uses ATF in a LT230, but I would be interested to hear if I'm just out of the loop.
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  #4  
Old December 5th, 2007, 10:38 AM
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Input seal on the T-case.

See if it is starting where the transmission and T-case meet (that is where it looks like it is coming from).
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  #5  
Old December 5th, 2007, 10:47 AM
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Andrew Najarian
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Quote:
Originally Posted by JimC
I really dont know anyone who uses ATF in a LT230, but I would be interested to hear if I'm just out of the loop.
I think ATF was used for the P38 transfer cases but I'm not sure about others that is why I didn't want to say for sure. Check here...
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  #6  
Old December 5th, 2007, 11:05 AM
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kevin
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You mean it's not supposed to look like that?
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  #7  
Old December 5th, 2007, 11:10 AM
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Gary Baxter
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Quote:
Originally Posted by kellymoe
You mean it's not supposed to look like that?
I recognize that leak; it's money leaking from my checking account.
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  #8  
Old December 5th, 2007, 11:17 AM
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kevin
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Quote:
Originally Posted by GaryBaxter
I recognize that leak; it's money leaking from my checking account.
Could be money, I prefer to just keep topping off my fluids. The only Rover I ever owned that did not leak was my 1969 IIa 88". Never left a single spot on my driveway and yes it did have fluids in it The worst leaker I have now is my 94 Disco which I will be fixing this weekend. My D130 barely leaks at all. It's funny but the trucks I wheel and abuse the most are the ones that dont leak. I guess Rovers like the abuse.
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  #9  
Old December 5th, 2007, 11:17 AM
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Do not use ATF in an LT230!!!!!!!!!
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  #10  
Old December 5th, 2007, 01:41 PM
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Jim Cheney
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Quote:
Originally Posted by Stmpede
I think ATF was used for the P38 transfer cases but I'm not sure about others that is why I didn't want to say for sure.
Quote:
Originally Posted by evilfij
Do not use ATF in an LT230!!!!!!!!!
What Ron said x5 - those Rangie cases are chain drive, totally different unit.
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  #11  
Old December 5th, 2007, 02:56 PM
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Jim C.
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That drip looks a little red. Could it be the transmission?
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  #12  
Old December 5th, 2007, 03:24 PM
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Heath Hollenbeck
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I had this leak. It was the transmission seal and also the speed sensor right above it.

Both needed new seals. The speeds sensor was causing most of it.
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  #13  
Old December 5th, 2007, 04:29 PM
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Robert Ragland
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A pessimist would say it is a leak. The optimist labels this a rust inhibitor, with the additional benefit of encouraging frequent checking of vital fluids.
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  #14  
Old December 5th, 2007, 04:33 PM
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Every LT 230 I have ever seen has that leak. I just keep it topped off and drive on.
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  #15  
Old December 5th, 2007, 05:39 PM
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Michael Pham
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Quote:
Originally Posted by Ragland
A pessimist would say it is a leak. The optimist labels this a rust inhibitor, with the additional benefit of encouraging frequent checking of vital fluids.
ha ha ha well put!


M>
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  #16  
Old December 5th, 2007, 06:01 PM
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Daniel Marcello
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mine is always like that. always wet with oil. is there at easier way to fill it? I know the fill hole is a pain in the ass to get to because its so close to the brake drum.
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  #17  
Old December 5th, 2007, 07:37 PM
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Mike
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Quote:
Originally Posted by ini88
mine is always like that. always wet with oil. is there at easier way to fill it? I know the fill hole is a pain in the ass to get to because its so close to the brake drum.

I took a bike H2O bottle and connected a plastic (flexible) hose to the cap and just place the end in the fill hole and squeeze the bottle.
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  #18  
Old December 6th, 2007, 12:13 AM
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Robert Ragland
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Quote:
Originally Posted by DaineseUSA
ha ha ha well put!


M>

When I bought mine there were several locations that bled oil, if not outright leaked. Every time I enquired, the answer was more or less "they all do that". Hence, the signature line I now use. 100k later, there have been some new seals in certain places, but always the same. I just make sure all fluids are changed at least every 2 years, checked in between, and anything suspicious is looked after quickly.
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  #19  
Old December 6th, 2007, 06:28 AM
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Mike Hammond
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filling the T-case and other difficult to reach fillers

I use an old empty fire extinguisher to fill the oils. Replace the nozzle with some 1/2" tube, Unscrew the top, fill to 3/4 with the required oil, pressure up to 125 psi, squeeze the handle and watch those difficult to reach cases fill speedily. I have 2 extinguishers - one with EP90 and the other ATF for the main gearbox, works a treat (but not on fires)
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  #20  
Old December 6th, 2007, 08:47 PM
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Charles Galpin
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Wow, can't say I've ever seen rust on a transfer case. I think you should encourage and foster that poor little leak - it will help keep your truck from rusting away!
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