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Mark Smith (Msmith)
| | Posted on Monday, August 26, 2002 - 01:52 pm: | 
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My 96 Disco also seems to be leaking oil from the transfer case, around the bolts for the cover. I don't know the number for it, maybe LT230? What's the fix? Is this a known issue? Where is the filler plug for topping up fluid? I can't seem to find it. Thanks again! |
Mark Smith (Msmith)
| | Posted on Monday, August 26, 2002 - 07:37 pm: |
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Anyone, please? |
Brad N
| | Posted on Monday, August 26, 2002 - 07:48 pm: |
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My 96 disco also leaks from the transfer case. The filler plug is on the side of the case torward the rear of the truck. First thing to do is clean it up real good. Then drive it for a while and look for the leaks. Leaks that start from the sides or top end up on the cover. You think it is leaking from the cover, but it realy is not.
I thought mine was leaking from the access cover. I installed a new gasket, but that did not help. I found a bolt on the side that appears to be leaking. Next time I feel like getting dirty, I will drain the case, and try to seal the bolt up with some hylomar sealer. I also heard of people using Lucas oil stabilizer. It is very thick and gooey and they report that it stops the leaks. Also, my work shop manual says that there is a spot on top of the case that holds a sensor. That also can be a source of a leak. |
Mark Smith (Msmith)
| | Posted on Monday, August 26, 2002 - 08:07 pm: |
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Which side of the case D/S or P/S? Is 90 wt gear oil the best to use? |
Brad N
| | Posted on Tuesday, August 27, 2002 - 06:40 am: |
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Neither D/S or P/S. It is located on the rear drive shaft side of the case. It is a plug with a square socket in it. That is the best description I can give you. I use 90wt, but when it is really hot out(+90F)it will leak more. That is why I am going to try the Lucas stabilizer. If you don't have one I strongly recommend getting the workshop manual. It will answer most of your questions on this subject. |
Mark Smith (Msmith)
| | Posted on Tuesday, August 27, 2002 - 07:17 am: |
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Thanks, Brad. I'm gonna get a manual ASAP. In the mean time , I'm gonna go hunt a leak. Thanks for your help. |
Hendrik B. (Hendrik)
| | Posted on Tuesday, August 27, 2002 - 08:28 am: |
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BTW if the oil looks like honey (yellow) it comes from the t-case. Red oil comes from the gearbox.
The t-case can leak due to blocked vent hose. Can be found on the right front side above and behind the front driveshaft. If that is the case, even intact seals leak.
It can be the gearbox-mainshaft seal. The oil will come out between the two casings (a small slot at the bottom there). Remedy is removal of the t-case. While in this area there is the front face of the t-case´s intermediate shaft. It is sealed with a O-Ring that can fail in hard working vehicles. Silicon-adhesive is usefull here. The bolts/studs that go into the casing need to be inserted with locktite - more for sealing purpose than for locking. Can drive you crazy if it comes from the studs.
The driveshaft flange seals can leak but are easily identified.
(just playing a bit) |
Mark Smith (Msmith)
| | Posted on Tuesday, August 27, 2002 - 11:32 am: |
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Thanks, Hendrik.
It's definitely gear oil. I really don't think it is the flanges, it's coming from the top. I'm gonna check that vent you were talking about. Maybe that's my trouble. Is pulling the t-case a difficult job if I have to do that? Any special tools needed? Gaskets and seals?
Mark |
hendrik
| | Posted on Tuesday, August 27, 2002 - 02:33 pm: |
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Please read @ the Range Rover section the conversation "turning a RR into a trail beast" (2weeks ago). Almost at the end I described it from my point of view, because I´ve done it a few weeks ago (to be honest it´s been a friend in the Rover business and I helped him). Some things will be easier for you not doing a swap, but some "principles" would count for you too.
No special tools needed.
Gaskest are usually sold as a set (commonly not OEM quality, but with exception of the drive flange seals (2x) and gearbox mainshaft seal (1x) they are ok. With the latter I would chose OEM quality. They are cheap anyway and sometimes even Rover OEM is bad enough. |
Mark Smith (Msmith)
| | Posted on Tuesday, August 27, 2002 - 11:21 pm: |
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Thanks Again Hendrik. I will read your RR posting. |
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