Picasso Tyre Wear

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PicassoPigeon
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Picasso Tyre Wear

Post by PicassoPigeon »

Front drivers side tyre is worn on inside and outside edges, I have knocking noises which must be the drop links but I didn't think they caused odd tyre wear?

Thanks.
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Post by citronut »

your right drop links cant cause tyre wear, usualy the cause of a tyre's wearing on both edge's is low tyre presure,

regards malcolm
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Post by Peter.N. »

Unusual for the drivers side to wear more, its usually the n/s that wears first. I think it must be a Malcolm says, low tyre pressure or a faulty tyre.

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Post by DickieG »

The bottom ball joint or suspension arm have to be the prime suspects for me. Try using a pry bar between the suspension arm and hub then lever the bar to check for movement in the balljoint, you may need to separate the joint to get an accurate assessment of wear. Also examine the rubber inner bushes for deterioration.
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Post by citronut »

usualy lower swivle or arm bush movement will cause one or the other edge to wear, not usualy both edge's,

when tyre presure's are low the centre of the tread bows upwards, then you are just running on both outter edge's,

regards malcolm
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Post by Peter.N. »

I agree with Malcolm, any misalignment will cause wear on one edge, if both edges are worn evenly that sounds like normal wear, I suppose the wheel is going round :shock:
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Post by fred1 »

Hi,

Check your track rod end ball joint for play on the side that is suffering tyre wear.

If the play is excessive it could cause the wheel on that side to go outside the tracking limits both ways, one way when accelerating and the other when braking, causing wear on both sides.

The ball joint will also knock quite a lot !

John
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Post by DickieG »

I'm working along the lines that an under inflated tyre won't be causing a knocking noise, well not in my experience :lol: a knocking noise and unusual tyre wear is normally down to wear in one of the hub locating points as mentioned in my earlier post or the track rod end balljoint by John above. The only other option is an underinflated tyre AND a worn joint such as a droplink.
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Post by Peter.N. »

I had forgotton about the knocking noise :oops:
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Post by citronut »

yes but Gav thinks the knocking is drop links, and these certailly cant cause tyre wear,

and if it were a track rod end it would definetly cause exactly the same wear on the other front tyre (one edge or the other ) dependant on towing in or out,

and i dont feel wear on both edges to be normal tyre wear, because if all were well the tyre should wear evenly across the hole tread face

regards malcolm
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Post by PicassoPigeon »

Its only knocking when I go over speed humps or broken roads. On closer inspection the wear is worse on the inside edge. Could this be caused by my straddling the speed cushions that I have to negotiate each day, if I am having more of said drivers side tyre on the cushion than the passenger tyre?
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Post by DickieG »

To clear things up here Gav, have you checked the tyre pressures as being correct? The knocking noise is almost certainly down to wear in a joint somewhere.
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Post by Peter.N. »

Wear on the inside edge would indicate tow out.
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Post by PicassoPigeon »

The pressure in all tyres are fine I check them quite regularly, just never checked the wear on the inside until the other day when parked on full lock.
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Post by citronut »

Peter wrote
"Wear on the inside edge would indicate tow out."

only if it is both tyres wearing exactly the same, not if its one tyre on one side of the car,

regards malcolm
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