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Welsh Al

Member Since 20 Jan 2013
Offline Last Active Feb 21 2013 08:11 AM

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In Topic: Clunk Near Side When Turning And Bald Outer Edge Of Tyre

21 February 2013 - 08:12 AM


Quick update, i took my car into the garage and they gave it a good looking at and couldnt find anything wrong with the Springs, Ball joint etc. The near side tyre needed replacing so i took the car in to have the front tyres replaced and during this they checked the front tracking. The near side front wheel tracking was out by 0.65 degrees (which i gather is quite excessive?) so they corrected it and fitted the new tyres. The 'clunk' has gone, i think what was happening was when i had full wheel lock to the right driving forwards, because of the tracking being out, the near side wheel was being 'dragged' across the surface. Checked regularly since the tyre cahnge and tyre wear doesnt appear excessive.

I was always under the impression that tracking being out like that would be noticeable when driving but the car drove perfectly.

Thanks for all the advice, much appreciated.


In Topic: Clunk Near Side When Turning And Bald Outer Edge Of Tyre

21 January 2013 - 07:15 AM

The tyre wear and "clunk" may or may not be connected

The CV joint could cause the "clunk" but not the tyre wear

The clunk could be the suspension moving around due to a briken spring, or it could be an engine mount

The tyre may be due to underinflation, tracking out or very hard cornering (the "shell grip" they put on junctions/ roundabouts can rip up tyres/ cause premature wear- nearside front is most heaviliy loaded in front engined, FWD car )

A tyre starts off with 8mm, if it has even 1mm of tread on the shoulder it looks ok, that last 1mm can wear quickly and look suddenly noticable when it goes "bald"

Modern cars often have very wide tyres,(especially if you have 18" wheels) these have tight tracking tolerances, the supplied (by Ford) tolerances may be for a different diameter of wheel/ tyre, - i had a problem with the tracking on my mk1, then mk2 Mondeo, When i got it checked they said it was ok or "in tolerance" so did not adjust it,(but my tyres continued to wear unevenly) years later i discovered the tracking settings were wrong for the size wheels/ tyres on the car, and it would have to be right at the edge of the adjustment tolerance

So the operator (tracking monkey?) beliened the machine and the settings supplied by Ford (that were wrong) and not the wear on the tyres in front of him

Another time an "expert" told me my tyres were under- inflated when he saw the wear on the shoulders of my front tyres, i explained they were pumped up at 40psi - he said that should wear the middle of the tyre, - i explained the middle of my tyres never gets a chance to wear (enthusiastic cornering / dont like motorways), and i like the feel of the tyres like that and it helps me get a better MPG


Many thanks for the response.

Think it is the CV Joint or Spring, not an engine mount since it only happens occasionally and when i turn right plus checked under the bonnet as best i could yesterday and all looks ok. Tyre inflation is correct, i check regularly including yesterday and correct for my tyre size / car. The wear appears to have occurred over a very short period of time - only a couple or 3 weeks - since i do check my tyres quite often as i tow a caravan.

Will see what the garage finds.


In Topic: Clunk Near Side When Turning And Bald Outer Edge Of Tyre

21 January 2013 - 05:57 AM

Check for snapped coil spring

+1 for snapped spring (count the number of coils as it might otherwise not be so obvious).

Not sure that would cause uneven tyre wear. Your tracking could be off, and that could also point to a knackered track rod end.

my money is on a spring, its possible its affected the camber - explaining the tyre wear

Cheers Guys, much appreciated - maybe the cause of one of the many potholes round here?!?