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Co1



Member Since: 19 Aug 2018
Location: North Yorkshire
Posts: 3674
United Kingdom 2013 Defender 90 Puma 2.2 HT Loire Blue
Swivel seals blown out?
Had the swivel preload adjusted yesterday as it was slack. Anyhow, after about a 30 min drive today, parked up and spotted this. Lost about 75ml so far I reckon and still dripping a bit. Need I be concerned, or is it likely that the grease has been over filled when topping up? 2.2 tdci if that matters?
Post #858228 26th Sep 2020 1:00pm
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ozzie1989



Member Since: 25 Feb 2009
Location: Wales
Posts: 282
Wales 2010 Defender 110 Puma 2.4 USW Bonatti Grey
When you say you had the preload adjusted, did the person doing it use the correct tooling to check?

I ask as if they just removed a few shims and overtightened it, this can crush the bearing causing failure and the hub will drop away from the cup slightly causing the one shot grease to leak out.

It is also possible they didn't align the bearing properly upon inserting the pin, thus causing the same issue. Now: 2010 2.4 TDCi 110 Utility Wagon
Then: 2004 2.5 TD5 90 Hard Top (X-Tech Edition)
Post #858251 26th Sep 2020 3:18pm
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Co1



Member Since: 19 Aug 2018
Location: North Yorkshire
Posts: 3674
United Kingdom 2013 Defender 90 Puma 2.2 HT Loire Blue
Yep, they use the spring balance of whatever it is to check for tension. They are Generally very good, but I’ll give them a buzz on Monday and see what they say. I think I’ve lost about 75ml in total and it has stopped now.
Post #858259 26th Sep 2020 4:06pm
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Co1



Member Since: 19 Aug 2018
Location: North Yorkshire
Posts: 3674
United Kingdom 2013 Defender 90 Puma 2.2 HT Loire Blue
ozzie1989 wrote:
When you say you had the preload adjusted, did the person doing it use the correct tooling to check?

I ask as if they just removed a few shims and overtightened it, this can crush the bearing causing failure and the hub will drop away from the cup slightly causing the one shot grease to leak out.

It is also possible they didn't align the bearing properly upon inserting the pin, thus causing the same issue.


Would it be reasonable to expect the beating to collapse in 20 miles or so? Also, I haven’t noticed any vibration or wobble etc.
Post #858260 26th Sep 2020 4:14pm
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jfh



Member Since: 08 Jan 2014
Location: West Coast
Posts: 358
South Africa 2007 Defender 110 300 Tdi SW Chawton White
When adjusting the swivel pins you need to remove the top pin, either to add or remove shims. This is where your seals got damaged.

The axle needs to be supported and kept perfectly still during this, if it's not supported it will hang on the seal and damage it.
Well that's what I learned a few years ago.
Post #858285 26th Sep 2020 6:00pm
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Co1



Member Since: 19 Aug 2018
Location: North Yorkshire
Posts: 3674
United Kingdom 2013 Defender 90 Puma 2.2 HT Loire Blue
Thanks JFH, much appreciated. I’ll be ringing the garage on Monday!
Post #858290 26th Sep 2020 6:12pm
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