 | Home > Tdi > Transfer box throwing oil out. |
 
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| TexasRover Member Since: 24 Nov 2022 Location: Paris Posts: 1256   
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I believe there is an issue with the intermediate shaft mounting hole at the front side (front of vehicle) wearing out to the point that the shaft is loose and leaking oil.
It must have something to do with the amount of load the transfer case is seeing because I opened two up and both were fine it that area. I know Ashcroft do an improvement where I think they insert a bush (sleeved casing) https://ashcroft-transmissions.co.uk/produ...ed-casing/ I would look there first. On a Series transfercase excessive gear noise is normally associated with the intermediate gear bearings wearing, which by logic could be the same in an LT230 if that intermediate shaft is misalighned. I have a roamerdrive on mine and there is no gear noise at all in drive with only the faintest whine in overrun.. Worth having I believe. |
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14th Apr 2025 12:44pm |
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| Retroanaconda Member Since: 04 Jan 2012 Location: Scotland Posts: 2737 
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There are numerous places the LT230 can leak, but the front/rear output shafts and intermediate shaft are favourites.
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14th Apr 2025 5:53pm |
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| Mining Subsidence Stu Member Since: 06 Mar 2024 Location: Cornwall Posts: 38  
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I've got a full set of seals/gaskets and I'm going to have a go!
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14th Apr 2025 9:07pm |
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| Oldowner Member Since: 26 Dec 2018 Location: South west Posts: 659 
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Pull it apart and check the intermediate shaft hole in the casing. I have at a guess had forty plus LT230’s apart, they all have had wear to the casing, some much more than others. On the last few I rebuilt I’ve had Ashcroft sleeve the casings which I’ve sent up to them.
You will also have to change the shims in the diff as they will be worn, it’s worth putting a HD cross pin in there, and also purchase a HD intermediate shaft to go with the new bushing. Pm me if you want to borrow all the special tools as you are fairly local, I’ve got an LT230 to reassemble in the next two weeks, after that I won’t need them for a while. |
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15th Apr 2025 3:21am |
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| Mining Subsidence Stu Member Since: 06 Mar 2024 Location: Cornwall Posts: 38
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I'm just having a big cup of coffee and a relax and then I'm going to take it out. Today's job is to get it out, get it looked at and get the seals/gaskets changed.
Reassembly may be later or tomorrow. I'm going to pace myself and take it steady. Rushing is where it gets expensive. My westfield blew a head gasket and Mr 4AGE engines had it back and had a look at it. Cue £5000 rebuild. I do not want to be throwing money around on this bloody thing |
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16th Apr 2025 10:53am |
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| Mining Subsidence Stu Member Since: 06 Mar 2024 Location: Cornwall Posts: 38
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So. All was not as expected.
I was a bit naughty and threw some oil in it, rather than dropping the oil (any?) out. As I took the car to bits from the top, I noticed the oil breather banjo was VERY VERY LOOSE. To the point that has caused the oil loss and the increased noise. So, I chucked a couple of litres in to see how it went and it blew it out of the under bonnet breather. At this point you are all saying "check your oil level, fool". So, I decided to read the roamerdrive manual and found the new level point. So, I opened it and a load of "  " came out, in terms of really runny oil. It was like water. This was with some fresh in there as well. This is 75/80 GL-4 as the OD has to have that. Anyway, yesterday, I took it out with the correct oil level in there and it wasn't ridiculously loud. Since then I've dropped the oil out of it and blown a load of fresh EP90/GL4 in there (which is gloopy). I've gone a bit over with the level for a start. Probably 300ml over. When I dropped everything out, the drain plug had virtually no swarf on it.
My gut feeling is the oil, for whatever reason, has gone really runny and then a bit of loss out of the breather has caused the excess noise. I'm not lucky, so it will need replacement and will have taken the overdrive out whilst it was at it! |
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18th Apr 2025 1:15pm |
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