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Knocking From Drivers Footwell Lhd Mini


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#1 Jacob

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Posted 06 September 2019 - 06:28 PM

Hello, 

 

I drive a '69 mini fitted with front disk brakes. I have been experiencing some knocking coming from the drivers footwell, which increases and decreases in frequency as the car accelerates and slows down respectively. To ensure that it isn't anything with the engine, I have run the car out of gear down a hill and the same knocking is present. 

 

Also, the left front wheel (drivers side) has some play when in the air. I have replaced and properly shimmed the ball joints and ensured the condition the condition of the track rod end is good. And ensured everything is torqued to the right spec, including the crown nut with the correct spec for disk brakes. 

 

Anyone have any idea as to what it might be?

 

 



#2 sonikk4

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Posted 06 September 2019 - 06:40 PM

Could be as simple as the rear mount for the subframe. Make sure the bolt is tight.



#3 MiddletoM

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Posted 06 September 2019 - 07:33 PM

does it happen when braking? Sometimes a warped disc can cause a slight knocking sound.



#4 DeadSquare

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Posted 06 September 2019 - 07:41 PM

Worn track-rod end ?



#5 johnv

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Posted 06 September 2019 - 07:45 PM

See if the steering rack bush is OK.. Grab the arm out out the rack and see if you can make it move

#6 cal844

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Posted 06 September 2019 - 10:16 PM

Can be alot of things, I had a similar knock and it was a combination of the engine steady bush bolts were slightly loose so that visually they were tight but upon tight checking they were 2 turns loose, and also look at the steering rack for play across the rack and also the bushes in either end (the long end bush wears faster)

#7 luismx123

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Posted 07 September 2019 - 08:07 AM

Had the same issue. Was knocking on my left side, also lhd mini. Turned out being my subframe hitting the body as the rubber bushing was dead in the tower mount. Swapped for solid mounts and it went away. 
I found the sound was heard more when in 4th gear at 1.2-1.5k rpm and pressing the accelerator. LArge vibrations caused the knocking which made sense after we changed the mounts and saw the bushings....but we wouldve never come to that conclusion. Was purely by chance!



#8 InnoCooperExport

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Posted 10 September 2019 - 07:22 AM

Had the same issue. Was knocking on my left side, also lhd mini. Turned out being my subframe hitting the body as the rubber bushing was dead in the tower mount. Swapped for solid mounts and it went away.
I found the sound was heard more when in 4th gear at 1.2-1.5k rpm and pressing the accelerator. LArge vibrations caused the knocking which made sense after we changed the mounts and saw the bushings....but we wouldve never come to that conclusion. Was purely by chance!


This is a 69 remember, so should be solid mount already. My guess would be lower engine steady bush.

#9 Moke Spider

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Posted 10 September 2019 - 08:37 AM

Universal Joint on the way out ?






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