 | Home > Td5 > Swivel Pin Shim Advice |
 
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 6006  
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No. That doesn’t look correct to me.
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29th Aug 2025 11:27am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17971  
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Are the outer bearing races pressed firmly against the seats in the ball? If so, I suggest measuring the seat-to-seat dimension of the original and castor-corrected balls in case the castor-corrected one is out-of-spec.
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29th Aug 2025 11:51am |
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| IronKettle Member Since: 08 Dec 2024 Location: Lincolnshire Posts: 15 
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Yep, bearing outers are fully tapped in!
I'll tap the top one out again and measure vs original (or whatever was on the truck before...). |
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29th Aug 2025 11:55am |
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| bankz5152 Member Since: 02 Feb 2017 Location: South London/North Kent Posts: 2231  
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A little odd but not unheard of.
Afaik you cant set preload in the bench, all needs to be assembled and set by feel or a newton meter (baggage/fishing scales can work) Is the bearing sat flat in the race? Ive made that mistake before. Fitted it slightly off center and crushed it. |
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29th Aug 2025 3:46pm |
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| IronKettle Member Since: 08 Dec 2024 Location: Lincolnshire Posts: 15
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From my reading & watching videos you should be able to set it on the bench with some hanging scales.
I dug out 2 of the thickest shims (which isn't far off what was on the existing swivel) and that seems to fill the space & set the preload pretty close (haven't faffed with thinner shims yet, was just playing around with it on lunch).[/quote] |
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29th Aug 2025 4:24pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17971
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There's no reason at all why you can't set the preload on the bench.
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29th Aug 2025 4:47pm |
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| bankz5152 Member Since: 02 Feb 2017 Location: South London/North Kent Posts: 2231
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Thats me schooled!
Always done the job on car with everything attached. |
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29th Aug 2025 5:10pm |
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| Oldowner Member Since: 26 Dec 2018 Location: South west Posts: 683 
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I have had this before with combination of replacement aftermarket swivel balls and aftermarket pins; I’ve always figured that aftermarket manufacturers have erred on the side of caution and and added a little bit to the swivel and shim measurements so as to avoid having the situation where the preload is incorrect without any shims
It important to use the correct bolts, those look like incorrect stainless steel ones, which is fine for initial shimming but after the correct shim stack has been obtained they should be swapped to new genuine high tensile bolts for final assembly. Preload can be set on bench as long as rear seal and retainer are fitted to housing as this provides the resistance that you have to overcome. I used to have a bracket I clamped in a vice to bolt the swivel to when I did lots of them. |
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29th Aug 2025 10:30pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17971
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The swivel preload should be set without the ball seal fitted.
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29th Aug 2025 11:06pm |
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| Oldowner Member Since: 26 Dec 2018 Location: South west Posts: 683
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Correct! Its a long time since I’ve done one!
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29th Aug 2025 11:55pm |
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| 4RF RDS Member Since: 19 Jul 2015 Location: Ottawa Posts: 995  
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Its quite possible you have the bearing reversed. Verify you don‘t have the upper in the lower and vice versa.
Good luck. 2020 range Rover Mk IV Autobiography PHEV 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) |
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30th Aug 2025 5:20pm |
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| IronKettle Member Since: 08 Dec 2024 Location: Lincolnshire Posts: 15
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Do I really need the high tensile bolts over stainless? The bolts shouldn't take much stress as the pin fills the entire housing, any axial load should be placed on the pin I'd have thought...
Bearings are the same top and bottom. |
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31st Aug 2025 6:29pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17971
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All the weight on the corner of the vehicle is trying to push the top pin out, so there is a fair load (which will be increased by the radial load on the taper bearing pushing in the same way).
Perhaps a more relevant question is what possible reason could there be for using stainless fasteners there (or almost anywhere else for that matter)? I cannot think of a single advantage or justification myself. |
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31st Aug 2025 6:43pm |
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| I Like Old Skool Member Since: 23 Feb 2015 Location: Manchester Posts: 871 
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Sorry blackwolf, think you might be wrong on this? All the weight on that corner is resting on the bottom bearing of the swivel. The top swivel pin bolts only contain the preload.
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12th Sep 2025 9:17pm |
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