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Little Megger
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49 Posts
Discussion Starter · #1 ·
Looking for advice from the more knowledgeable if possible
Over the last few days I've noticed a slight vibration on the near side front more noticeable when going along uneven road surfaces.
So today I jacked it up and when rotating the wheel forward and back there was a distinct grinding sound, checked the driver side and no problem there. So at least I've narrowed the offending area down correctly.
Is there a foolproof way to ascertain which component has failed, bearing in mind (no pun intended) I'm checking this on the drive on my back, so limited working space :)
I'm assuming it's one of the two mentioned in the title.
Couldn't have been worse timing as I'm off to Scotland in 2 weeks on holiday and it involves many hundreds of miles ;(

Any suggestions appreciated as always.

Pete.
 

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8 gears or more please
TrevorB BMW320 M Sport 2020 M Sport Pro Pack. Tech Pack (Head Up Display)
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5,460 Posts
Initial early warning of d shaft failure is knocking from CV joint. The failing joint knock will be even worse if ,on a safe car park for example, you drive it round, both ways, in a circle on full lock. Any failing joint will knock rotationally in these circumstances.
From what you describe you can do, I would suspect it is a wheel bearing, but try the driveshaft test anyway.
The above is just my opinion from the noise you describe, best of luck
 

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Little Megger
Joined
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49 Posts
Discussion Starter · #3 ·
Thanks for the reply Trevor,
I've not had any knocking when cornering just an annoying vibration, it's like having a load of pebbles stuck in the tyre treads.
I'll probably get done for doing donuts on the local Asda car park in the morning knowing my luck :)

Pete.
 

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8 gears or more please
TrevorB BMW320 M Sport 2020 M Sport Pro Pack. Tech Pack (Head Up Display)
Joined
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5,460 Posts
also, with the road wheel off the ground, gripping the top and bottom of the tyre can you feel any play/end float if you rock the tyre/wheel in and out - if there is, this would also point to wheel bearing
 

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Little Megger
Joined
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49 Posts
Discussion Starter · #5 ·
That was one of the first things I checked, rocking the wheel feeling for any play. Then again on my MK3 the wheel bearing just whined like hell, it sounded like a jet engine when coming off a motorway and slowing down on the slip road and there was no play in that.
 

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Little Megger
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49 Posts
Discussion Starter · #6 ·
Right then, did the check that Trevor suggested and nothing untoward was noticed. I was actually on my way to my brothers and I told him about the 'problem' I had.
He suggested taking it to his mate to have a look, he runs his own garage business and has done for over 30 years.
So he took it for a drive, had it on the ramp and checked the bearings, drive shafts and had a good look around underneath. Absolutely nothing found wrong with it.
He actually said that the 3 or 4 Mondeos he'd had in were for either water or oil leaks, but in his words mine was 'mint' and bone dry. ;)
The only suggestion he made was that the discs had a lip on them, maybe that was causing a slight vibration and I was being overly pessimistic about the cause.
So for now my mind is at ease and I'm
a: Going to stop reading about faults on the MK5
b: Stop watching YouTube videos on how to fix possible faults
c: Bugger off to Scotland and chill out.

Thanks.

Pete.

PS. I might just fit new discs when I get back, there must be a video on YouTube for that 🤪
 
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