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Bottom Arm Removal


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#1 Philcooper

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Posted 12 February 2019 - 06:56 PM

Quick question. Going to be changing my Bottom Arm bushes soon. My question is can the Bottom Arm be removed with the Pivot bolt(wiggly bolt) still attached to arm?

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#2 Moke Spider

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Posted 12 February 2019 - 07:22 PM

No.



#3 Retroman

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Posted 12 February 2019 - 07:36 PM

Its a 50/50 question

 

If they are really badly rusted you can chop the dipped part of the pin with an angle grinder

 

The arm can then come out with 1/2 the pin still rusted / grown in

 

The other 1/2 will then come out from the subframe easily

 

You can then get the arm in the vice to attack it however you want

 

If need a new pin don't buy off ebay they can have dodgy threads and be the wrong length



#4 DeadSquare

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Posted 12 February 2019 - 08:06 PM

I didn't read the question carefully ....Dunce !

 

Yes, but not in the way that you mean.

 

I had total understeer on a very wet Welsh, downhill left-hander. 

 

The road camber was wrong,    water flowing across it like a brook,    the offside front wheel aquaplaned onto the verge,    the nearside wheel was collected by a short curb behind a drain,    the wiggly pin pulled out of the subframe,  the top knuckle joint pulled through,    the top of the tyre pushed the radiator into the fan,    the car was flung through a 180 back onto the road    ....     and I wasn't even doing 30 MPH, with the brake pedal flat on the floor !

 

I don't think it could have pulled through with Moke's pin, shown below.


Edited by DeadSquare, 13 February 2019 - 01:00 AM.


#5 Moke Spider

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Posted 12 February 2019 - 10:55 PM

No.

 

Apologies here.

 

As Retroman suggests, with the UK style 'Wiggly Pins' it's 50 / 50. I would suggest planning on needing to take them apart.

 

When I posted my first answer, I was think of our Australian types, there's no way with these, they have to be taken apart

 

7b3BGTA.jpg



#6 Curley

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Posted 12 February 2019 - 11:13 PM

I had no idea such Australian type pin existed. Do you know that the rational for this alternative was?



#7 Moke Spider

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Posted 13 February 2019 - 02:17 AM

I had no idea such Australian type pin existed. Do you know that the rational for this alternative was?

 

I don't actually know why they did them this way, but it does make them a little easier to assemble when new rubbers are fitted

 

I5Dx030.jpg



#8 Rorf

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Posted 13 February 2019 - 06:58 AM

Vice Grips, exactly how I do my pins and so easy - only learnt this trick after many years of battling. 

 

But on the other hand the wiggly pin could also be the ball joint pin :D

OP Philcooper needs to clarify for us, looks like he is not following his thread.



#9 Retroman

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Posted 13 February 2019 - 12:13 PM

I wonder if the Aus pins are heavy duty for the bush roads, and boney creeks...?

 

Were they on the cars as well as the Mokes ?

 

Maybe we should have some here now, our roads are worse than quarry bottoms,

 

and a lot worse than the Aussy bush roads I've been on



#10 nicklouse

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Posted 13 February 2019 - 12:17 PM

 

I had no idea such Australian type pin existed. Do you know that the rational for this alternative was?

 

I don't actually know why they did them this way, but it does make them a little easier to assemble when new rubbers are fitted

 

I5Dx030.jpg

 

just how I used to fit the UK ones.

 

back to the OP if they are not coming out apply heat with care and melt the rubbers out.



#11 Moke Spider

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Posted 13 February 2019 - 06:00 PM

I wonder if the Aus pins are heavy duty for the bush roads, and boney creeks...?

 

Were they on the cars as well as the Mokes ?

 

Maybe we should have some here now, our roads are worse than quarry bottoms,

 

and a lot worse than the Aussy bush roads I've been on

 

Where it counts, there are no more heavy duty than their UK counterparts.

 

This one is actually on one of my Minis that I only recently sold. And yes, our Mokes had them too.

 

Going way back to the mid 60's and in to the 70's, our Government of the day had an incentive scheme in place to encourage local content. It's likely it's a UK pin at it's base, with a Washer welded to it to make it Australian !

 

It's also possible that in testing, someone broke the threaded end of a pin and had it pull through the subframe, with a subsequent loss of control. So this may have been a safety measure  ?

 

They were fitted from the very early 60's right up to the end of production in Dec 81.



#12 Retroman

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Posted 15 February 2019 - 12:46 AM

Interesting and a good idea for sure.

 

Surprised they did not make it as a ST developement

 

Could mean being able to keep going after an off or hitting a rock or a 3 wheel DNF



#13 Magneto

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Posted 15 February 2019 - 02:37 AM

I'm sorry , what is it that's different about these pins? All the ones I've ever taken out here in the states look just like that - I must be missing something?



#14 GraemeC

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Posted 15 February 2019 - 08:34 AM

The 'collar' on the end being held by the molegrips - the standard 'UK' ones are the same diameter right along and hence will pass right through the subframe.

http://www.minispare...=600/2A4362.jpg


Edited by GraemeC, 15 February 2019 - 08:35 AM.





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