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Mr.Jimbo



Member Since: 20 Jun 2024
Location: Rugby UK
Posts: 31

United Kingdom 2003 Defender 110 Td5 CSW Java Black
LT230 intermediate bearing spacer changeover point
Good morning all, chasing down some alarming noises from my T-Case and found that the intermediate shaft nut, although still staked, had lost it's preload and there was play in the Intermediate gear. Nipped up by feel as I sort of assumed it was a collapsible spacer.

However, doing some reading this morning whilst I wait for the RTV to cure, should a 2003 TD5 LT230 in fact use the selectable spacer, and therefore the 65Nm torque on the 30mm nut?

I did re-stake the nut, but whilst handbrake and prop etc are all off, I'd rather be sure I've got the right tightness. I imagine I'm probably up somewhere near 65Nm on the nut right now, but was only going by feel. If it's a selectable spacer I will torque it up and re-stake again.


Lastly, if the bearings have been running without preload for who knows how long (I've been chasing this noise for a couple of hundred miles), is it likely that I really need to rebuild the LT230 anyway? Hard to quantify the play in the intermediate gear but it was visible and movable by hand before. When I drained the oil (max 1.5 year / 8k miles ish) there was some magnetic oil around the plug, but no significant chunks/wear material evident.
Post #1075591 17th Sep 2025 10:18am
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Mr.Jimbo



Member Since: 20 Jun 2024
Location: Rugby UK
Posts: 31

United Kingdom 2003 Defender 110 Td5 CSW Java Black
Just as a follow up if anyone finds this thread looking for the answer, 43D appears to be the change point to a solid, selectable length spacer. Checked mine and it is indeed a 43D, test drove last night after checking it was back up to 88Nm, appears to have fixed the issue.

As to how long the bearings last, we shall see!
Post #1075681 18th Sep 2025 2:46pm
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