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Kingpins 1000miles... #671496
07/11/20 07:18 PM
07/11/20 07:18 PM
Joined: Nov 2018
Posts: 454
Germany, Rhein-Main Area
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xc68anc Offline OP
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xc68anc  Offline OP
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Joined: Nov 2018
Posts: 454
Germany, Rhein-Main Area
How I start?

Next week my Mog has her second birthday. As I‘m in old MINIs I know: keep it/her lubed.

First mistake: to late, after 10.000 KM I fitted some homemade „BHM“style gaiters.

But all the time I use the greasegun regulary. But as the manual says: every 1000miles. More or less.

Today it was time to do it. 19500KM in my counting „13000“miles. Greasing as usual topnipples until I noticed a light sound of pop out the
grease, than the lower nipples in the same way.

As she was high up in the front I think: let‘s have a look at the wheels. Good idea/ bad result. I feel (not visible) some movement when
I had my hands at the 12/6 point.

Worn kingpins. Is it too much? Where is the tolerance?

And what‘s the choice for a replace? Wolf? Librands? Sifab?

I‘m not lefthanded, so is a thing to DIY?

Thank for comments.

René


2018 plus4
Re: Kingpins 1000miles... [Re: xc68anc] #671505
07/11/20 07:46 PM
07/11/20 07:46 PM
Joined: Nov 2015
Posts: 3,205
Yorkshire
CooperMan Offline
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CooperMan  Offline
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Posts: 3,205
Yorkshire
Rene, some of the play you feel could also be wheel bearing, you should be able to 'feel' a little play, or it is too tight, if you can't see actual movement it sounds like you Mog is ok


Jon M
Re: Kingpins 1000miles... [Re: xc68anc] #671510
07/11/20 08:00 PM
07/11/20 08:00 PM
Joined: Jun 2015
Posts: 734
North Somerset, UK
Deejay Offline
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Deejay  Offline
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Joined: Jun 2015
Posts: 734
North Somerset, UK
This seems too low a mileage for king pin wear considering your greasing regime; but not unknown. If it’s a wheel bearing, you should get a similar movement at the 9/3 position. May need someone to hold onto the steering wheel while you check it.


Doug

2011 +4 in Rich Maroon
1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900
Re: Kingpins 1000miles... [Re: xc68anc] #671512
07/11/20 08:06 PM
07/11/20 08:06 PM
Joined: Sep 2016
Posts: 568
Chester, UK
Grumpy2 Offline
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Grumpy2  Offline
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Posts: 568
Chester, UK
My kingpins were quite badly worn but the wear was masked by the force on the springs and I couldn't detect any movement at all. I'd suggest your wear may well be in the bearings and nipping them up may well solve the problem


94 plus 8 in Westminster Green - I think!
Re: Kingpins 1000miles... [Re: xc68anc] #671515
07/11/20 08:10 PM
07/11/20 08:10 PM
Joined: Aug 2013
Posts: 3,128
Solihull
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Solihull
René

You can isolate the wheel bearing movement by getting someone to sit in the car and press the brake hard whilst you check for play. A little ‘rock’ is actually desirable, just a little in the bearings and also a small amount in the kingpins (ideally 0.002”) is perfect.

BR
Colin


BR Colin
Who used to be a Spanner Juggler
Re: Kingpins 1000miles... [Re: xc68anc] #671516
07/11/20 08:14 PM
07/11/20 08:14 PM
Joined: Nov 2018
Posts: 454
Germany, Rhein-Main Area
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xc68anc Offline OP
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xc68anc  Offline OP
Learner Plates Off!
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Joined: Nov 2018
Posts: 454
Germany, Rhein-Main Area
Puh, that all Sounds good. Sun is rising up again.

Thanks! A new try the next days.

René


2018 plus4
Re: Kingpins 1000miles... [Re: xc68anc] #671592
08/11/20 09:35 AM
08/11/20 09:35 AM
Joined: Feb 2016
Posts: 3,424
East Harling, Norfolk UK
RichardV6 Offline
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RichardV6  Offline
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East Harling, Norfolk UK
If it really is worn kingpins isn't your car still under the 30 month warranty?


Richard

2018 Roadster - Red/Magnolia - "Morton"
1966 Land Rover series 2a SWB
1960 Velocette Venom
Re: Kingpins 1000miles... [Re: xc68anc] #671593
08/11/20 09:46 AM
08/11/20 09:46 AM
Joined: Jul 2007
Posts: 18,803
Suffolk
John V6 Offline
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John V6  Offline
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Posts: 18,803
Suffolk
Richard I suspect that will not covered as it is "wear & tear" . Worth a go though. 19,500 km seems way low for king pin failure.


JohnV6
2006 Indigo Blue Roadster S1
2014 Brooklands Edition Roadster "Brookland's Belle" #5 of 50
Re: Kingpins 1000miles... [Re: xc68anc] #671601
08/11/20 10:21 AM
08/11/20 10:21 AM
Joined: Feb 2016
Posts: 3,424
East Harling, Norfolk UK
RichardV6 Offline
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RichardV6  Offline
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East Harling, Norfolk UK
Apologies for slight thread drift but can anyone give a definitive answer on the latest factory fit kingpin material? I was told it was chrome plated stainless steel which is possible, but wonder if this is correct as its chrome (among others) that are added to steel to make it stainless.

I do understand the "hard chrome" finish commonly offered as replacement is the more desirable though for longevity. This begs another question, what is the base material of such, plain or stainless?

Last edited by Richard Wood; 08/11/20 10:23 AM.

Richard

2018 Roadster - Red/Magnolia - "Morton"
1966 Land Rover series 2a SWB
1960 Velocette Venom
Re: Kingpins 1000miles... [Re: xc68anc] #671612
08/11/20 11:11 AM
08/11/20 11:11 AM
Joined: Jul 2007
Posts: 18,803
Suffolk
John V6 Offline
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John V6  Offline
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Suffolk
Richard,
you can hard chrome stainless steel. It is often done for scrapped surface heat exchanges especially with products to be heated or cooled that have a high chloride or abrasive content that would cause pin hole corrosion in stainless.
Cain is now the supplier of king pins to MMC. They use hard chrome (not chrome on stainless).
I have always replaced with hard chrome.


JohnV6
2006 Indigo Blue Roadster S1
2014 Brooklands Edition Roadster "Brookland's Belle" #5 of 50
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