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Loosing Drive


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#1 Imposter

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Posted 22 March 2020 - 05:51 PM

Hi all

Looking for some help.

I have been building my mini for decades, Kids came along and everything else, but a couple of years ago i finally got it all together.

After getting it MOT'd i went to get the tracking done and on the way there a terrible clunk/grind took place when i tried to pull away, Any I thought i had a smashed gerarbox/diff and as i had some other issues i wanted to eal with i decided to pull the engine and swap the box as I had a spare.

Anyway then built an extension on the house so the mini wasnt on the list again. I finally got back to it a couple of weeks ago and it is all done and i took it out for a quick test today and guess what - same problem.

I am almost convinced the shaft is being pulled out of the pot joint.

The only things i can think of are - the front suspension is too low or some thing is wrong with the adjustable tie bars, i have adjusted these to standard length (I think) 14.25".

 

I have 10" revolutions on 7.5" disks, 

anything else you want to know please ask me as i cant figure this one out.

 

Thanks



#2 Quinlan minor

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Posted 22 March 2020 - 06:00 PM

Could it be the clutch?

A f###ed CV?

Can you link a video of it?


Edited by Quinlan minor, 22 March 2020 - 07:37 PM.


#3 David128

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Posted 22 March 2020 - 06:54 PM

pot joint not locked in????



#4 Imposter

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Posted 22 March 2020 - 08:54 PM

Thanks for the replies,

 

Clutch is fine pulls great till it happens and I hav checked the pots and it has been the same issue with 2 different gearboxes, pots havent been swapped. 

I feel it is something to do with the geometry pulling the shaft out on the passenger side.



#5 Imposter

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Posted 25 March 2020 - 07:15 AM

Any other ideas?

I cant make a video of it as I would have to be driving it at the same time :)

 

Thanks



#6 MacGyver

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Posted 25 March 2020 - 07:42 AM

Maybe the clutch slips on the shaft...
Does it happen with your foot down or in just cruising along?
Pot joints poping out is more likely tho.
Put wheels on full lock and see if you can move the pot joint out of the box (not completely or you'll have an oily mess) trying each way for both sides.
If it moves even 10mm, it means it's not locking in.
If it's this, it probably hasn't got (worn-out) the clip.
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