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Lionel

Member Since: 12 Aug 2008
Location: Melbourne
Posts: 59

LT230 rear output seal - installation depth?

I have a 110 TD5 Defender, MY2002.

Dealing with changing the LT230 rear output oil seal, I am interested in whether the new seal should be drifted in so that it contacts the bearing track, or should it be a shallower depth.

There seems to be different opinions in some of the theads covering this topic.

Any information would be greatly appreciated.

Regards,

Lionel

29th Jan 2023 1:00am

rallysteve

Member Since: 10 Feb 2014
Location: Cumbria
Posts: 2197

2002 Defender 110 Td5 DCPU Keswick Green

If you look in pg60 of the rebuild manual (https://www.google.com/url?sa=t&source=web&rct=j&url=https://duud.ee/LR-manualid/LT230T_Transfer_Box_Overhaul_Manual.pdf&ved=2ahUKEwjy0despuz8AhWgRkEAHeh1DsYQFnoECBMQAQ&usg=AOvVaw0uKIdBFAHbZZ4vQSgnSnqZ)

It implies that the seal should be installed deep enough so it 'just touches the circlip'.

Cheers
Steve 02' 110 TD5 Double Cab Rebuild Thread
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29th Jan 2023 8:57am

Lionel

Member Since: 12 Aug 2008
Location: Melbourne
Posts: 59

Thanks Steve, that's very helpful.

Cheers,

Lionel

30th Jan 2023 12:13am

geobloke

Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4393

As Steve has said. If however you are re-using your output flange then pay attention to where the original seal ran, check the flange is not scored. If there is any wear then adjust the seal fitment depth a little so the sal runs on a fresh part of the flange.

Nothing worse than doing the job only for oil to seep past the seal.

30th Jan 2023 1:22pm

Lionel

Member Since: 12 Aug 2008
Location: Melbourne
Posts: 59

Thanks geobloke,

I am using a new flange, so its probably best to stick to the manual instruction, with the seal "just touching the bearing circlip".

Hope it goes well this time.

Cheers,

Lionel

1st Feb 2023 10:59pm

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