 | Home > Maintenance & Modifications > Swivel pins |
 
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| mk1collector Member Since: 17 Sep 2009 Location: West Yorkshire Posts: 6769   
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I'd say replace them while it's apart because if you have to strip it to put them in later your just paying twice for the same job.
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24th Oct 2013 9:45pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5697 
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Agree with above, change all whilst you are in there.
Andy |
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25th Oct 2013 4:30am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17372  
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Historically the bottom pins used deep groove ball bearings and the top pins used a patent friction-lined plain bearing (the Railko bush), as a result of which the top pin needed renewing more often than the bottom, despite the lower pin carrying the weight of the vehicle (the bottom pin carries vertical and lateral loads, the top only lateral, hence the different bearing types).
I haven't needed to look inside the front swivels of my Puma yet, but from the parts catalogue it looks as though the top bearing is now a taper roller, in which case it should wear far slower than the old Railko bush arrangement, and probably at a similar rate to the bottom. However if there is excess slop in the top bearing I imaging that it will cause greatly accelerated wear on the lower bearing due to misalignment. I would definitley replace top and bottom at the same time and feel that it would be a false economy not to. At least that way you will know there are no problems lurking at the bottom. |
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25th Oct 2013 8:08am |
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| Diablo Member Since: 26 Oct 2011 Location: Basingstoke Posts: 335 
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My bottom ones are 28 years old and still in perfect order.
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25th Oct 2013 10:33am |
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| yaho Member Since: 26 Nov 2008 Location: Bialystok Posts: 200 
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Few times down and up Africa and here it goes:
 Janusz
www.yahodeville.com |
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25th Oct 2013 11:18am |
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| Jimb1978 Member Since: 05 Sep 2012 Location: Huddersfield Posts: 808 
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Sorry for confusion. I plan on changing the bottom bearing but was concerned about wear on the pin itself. Price of a new pin britpart £4, genuine £68, allmakes £12 for 'as good as oem'. Guess I should wait and see because I see little point replacing a good genuine pin for something so cheap, unless it shows signs of wear.
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25th Oct 2013 5:25pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17372
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Unless the bearing's seized there shouldn't be any wear at all on the pin itself. I thought you meant the bearing.
Change the bearing, keep the pin unless obviously defective. |
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25th Oct 2013 10:28pm |
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| Jimb1978 Member Since: 05 Sep 2012 Location: Huddersfield Posts: 808
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Sorry blackwolf, and thanks for your input. There is only a small amount of wobble and skipping over bumps but enough to be unnerving at times. I just want to sort it out sooner rather than later as it is not as much fun to drive as it should be. I will inspect the pin but it doesn't feel like there will be any seized or badly worn bearings.
Certainly not like the picture above! |
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26th Oct 2013 7:44am |
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| Retroanaconda Member Since: 04 Jan 2012 Location: Scotland Posts: 2642 
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They've had taper-roller bearings top and bottom since around the time the 300Tdi came out, 1993/4 or so! Same time they changed from oil to one-shot grease in the swivels, and from wide to thin hubs, drums to discs on the back and a few other changes etc. etc. I would only change the parts if they're worn. The bottom pins/bearings tend to fair better because they get better lubrication just as a result of gravity. |
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26th Oct 2013 3:38pm |
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| Jimb1978 Member Since: 05 Sep 2012 Location: Huddersfield Posts: 808
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Well the expense mounts. I have stripped one side today and found badly pitted swivels. I had only ever looked at them with the wheels straight ahead. They are terribly pitted and rusted where the seal sits for most of its life. The bottom pin looks good, with only the tiniest wear lip which is just detectable with your finger nail so they will go back in.
Looks like rimmer bros do an OEM chrome swivel one for £85 +vat. There are also some roller bearings which sit in the stub axle which I am going to replace, along with the seal behind it. |
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30th Oct 2013 6:30pm |
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| mk1collector Member Since: 17 Sep 2009 Location: West Yorkshire Posts: 6769
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Had the full lot and new callipers, discs and pads done on mine a couple of months back. The cost certainly does mount up but it's best to do everything while it's apart.
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30th Oct 2013 6:34pm |
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