Technical Erratic knocking noise

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Technical Erratic knocking noise

Joined
Jan 23, 2007
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Any thoughts on this one. My B has developed a strange knocking sound. It does not happen all the time. It does not appear engine related as the engine revs smoothly when stationary.
It appears to come from the front offside wheel area. (I have recently changed the tyre here that was badly worn on the inside - it had started before this was changed).
Sometimes I can drive 40 miles without any sound - then on the way back you get this alarming knocking noise.
It seems to be when the the engine is under load - if you come of the gas it frequently stops.
Sometimes I get it when travelling slowly when taking a sharp turn i.e with the wheel on full lock.
Have had the brakes checked recently and no problems. I do need to replace a rear wheel bearing.

I have checked the cv gators these are ok.
There is some play on the drive shafts both sides .. but only a couple of mms.



Any guidance would be appreciated.
 
Last edited:
Quick update to this post : I have determined that the knocking is getting worse !! However it stops when I press the clutch down. So I guess it isn't a suspension issue.
Looks like clutch or drive shaft ?
 
Thanks to all suggestions - It turned out to be a drive shaft bearing wearing out. Re con fitted by Fiat in Estepona and good a s new.

Thanks again
 
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