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Matt110



Member Since: 29 Jun 2014
Location: UK
Posts: 670

United Kingdom 
Speedo transducer leaking
Hi all.

This..... Leaks. A lot.

I've taken the sensor off it.

Are my worst fears true in that it tightens from the other side inside the housing that the hand brake drum bolts to?

If so how do I get to it? I can't find anything on what's on the inside. I can feel it's loose just with fingers and you can see the oil moving so that's clearly the leak path.

All thought appreciated. Thanks.



Click image to enlarge
Post #886551 19th Feb 2021 4:57pm
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2062

United Kingdom 1984 Defender 90 200 Tdi HT Pennine Grey
That's the speedo drive, get a wood chisel under the lip and prise the thimble out, remove the drive gear, replace O ring, replace.
Easy peasy.
Mo The Land Rover 90 - Many are called, few are chosen.
Post #886565 19th Feb 2021 5:24pm
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hank



Member Since: 12 Sep 2016
Location: South Wales
Posts: 2218

Wales 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Should come out that way

See page page 21 and 38 (pdf page numbers) here https://drive.google.com/file/d/1pxFpjzVmj...5wz4L/view > 110 XS Double Cab
> Instagram @simonlanemind
Post #886567 19th Feb 2021 5:31pm
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Matt110



Member Since: 29 Jun 2014
Location: UK
Posts: 670

United Kingdom 
Thanks Mo.

Consider yourself to have made my day! Rolling with laughter Thumbs Up
Post #886568 19th Feb 2021 5:31pm
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Matt110



Member Since: 29 Jun 2014
Location: UK
Posts: 670

United Kingdom 
Thanks Hank, great diagram there much appreciated.
Post #886573 19th Feb 2021 5:40pm
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Matt110



Member Since: 29 Jun 2014
Location: UK
Posts: 670

United Kingdom 
Thought I'd share the reason for my leak...

Super worn shaft on the internal oil shaft seal.

Photos below.

I'll order a new one so the shaft is new and ungrooved and won't leak I think and change the O ring also in the process.

You can just about make it out in the photos.

Thanks for the advice guys.



Click image to enlarge



Click image to enlarge
Post #886581 19th Feb 2021 6:08pm
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LandymanStefan



Member Since: 30 Aug 2017
Location: Surrey
Posts: 860

England 2001 Defender 90 Td5 SW Epsom Green
Think im going to need to do this on mine. Leaks a fair bit but havent had a chance to check it yet.
Post #886602 19th Feb 2021 7:46pm
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Matt110



Member Since: 29 Jun 2014
Location: UK
Posts: 670

United Kingdom 
I'm currently trying to figure out which bits are serviced and which aren't.

This is a close up of the shaft so I need a new speed sense shaft (pitted) and a new oil seal, them a new O-ring the right size to refit it all.



Click image to enlarge



Click image to enlarge



Click image to enlarge
Post #886610 19th Feb 2021 8:03pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554

Post #886693 20th Feb 2021 9:38am
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2062

United Kingdom 1984 Defender 90 200 Tdi HT Pennine Grey
I'd change the seal and o ring, Matt, and see how you get on.
Mo The Land Rover 90 - Many are called, few are chosen.
Post #886710 20th Feb 2021 10:20am
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4RF RDS



Member Since: 19 Jul 2015
Location: Ottawa
Posts: 890

Canada 2000 Defender 110 Td5 XS CSW Epsom Green
I agree just change the seals and put it back in. Also check your breather there should be no pressure in the t-case, and a new seal should work just fine. Thumbs Up good luck 2010 Range Rover MkIII Autobiography Super Charged (Idris)
2003 Range Rover Mk III (Desmond FitzWilliam)
2000 Defender 110 CSW TD5 (CTX)
1992 Range Rover Classic (Lizzy)
1972 Series III 300 Tdi (Stanwood)
1967 MGB GT

Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats.
H. L. Mencken (1880 - 1956)
Post #886765 20th Feb 2021 3:12pm
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LandymanStefan



Member Since: 30 Aug 2017
Location: Surrey
Posts: 860

England 2001 Defender 90 Td5 SW Epsom Green
Matt did you get round to fixing this? If so which parts did you buy. It’d be good if I can order the bits before taking mine apart.

Had a little look at my situation yesterday...


Click image to enlarge
Post #891296 14th Mar 2021 10:06am
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Matt110



Member Since: 29 Jun 2014
Location: UK
Posts: 670

United Kingdom 
Yeah looks identical to ours.

I ordered all the bits and fitted but don't yet know if it's fixed as our MOT isn't booked till the end of the week. But it's now all new so it should do.

I fitted a new oil seal, a new O-ring, and due to my Speedo shaft being pitted where the seal runs, a new Speedo gear and shaft. My logic was that the oil seal would have a hard time sealing against a pitted shaft.

Wasn't expensive.

Talk to Dan at duckworths and tell him you want the same Speedo bits he did for me and he should be able to post straight out.

This is the list...



Click image to enlarge


And it should represent the following...

Speedo gear. CHECK YOURS IS BLUE BEFORE ORDERING! (there are both blue and green and a few other colours. The LR record for what was in ours was wrong, don't go by dealer record. Whip it out, check colour of yours, then order. Mine was blue.


Click image to enlarge


The oil seal for the shaft...


Click image to enlarge


And the O-ring for the main housing. Haven't got a decent shot of that.

Do check with Dan before you order. I'm 99%sure that's the PN list but I also ordered half a dozen other things on the same invoice so there's risk I've got the wrong PNs selected.
Post #891304 14th Mar 2021 10:35am
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Matt110



Member Since: 29 Jun 2014
Location: UK
Posts: 670

United Kingdom 
..actually the O-ring is shown in the first image on the housing outer..
Post #891308 14th Mar 2021 10:41am
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LandymanStefan



Member Since: 30 Aug 2017
Location: Surrey
Posts: 860

England 2001 Defender 90 Td5 SW Epsom Green
Great thanks. Best to take it apart before then to check the gear condition/colour. I would imagine my gear has the same wear as yours if it’s leaking... we’ll see.
Post #891334 14th Mar 2021 12:55pm
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