Unusual Rear Tyre Wear

GTSX · May 31, 2009

The rear tyres on my 300TDI seam to be wearing badly on the outside edge

as in bald

for the first section of tread which must be about 30 - 40mm (1.5").

As far as I know there's no tracking adjustment on the rear axle so can anyone explain why this might be??? Is it beause the tyres are 245/70 R16" which would not be standard issue???

PASTMASTER · May 31, 2009

GTSX said:
The rear tyres on my 300TDI seam to be wearing badly on the outside edge as in bald for the first section of tread which must be about 30 - 40mm (1.5").

As far as I know there's no tracking adjustment on the rear axle so can anyone explain why this might be??? Is it beause the tyres are 245/70 R16" which would not be standard issue???

Haven't come across this. Did you fit these tyres new yourself? If not, the obvious suspicion is that they got worn on the front when new and then transferred to the back. Which is the case on my very own disco.

GTSX · Jun 1, 2009

Yes I thought about that however when I got it the tyre ear seamed to be quite even across the tread. I've done 9k since then and it just seams odd! The back end doesn't feel firm either when cornering at speed so..........

ruffday · Jun 1, 2009

Could be loads of things.
Is your disco modded because lifts and uprated items can affect things.
What pressure are you running? Are the tyres catching the arches?

GTSX · Jun 2, 2009

No nothing moded or uprated, tyres are not cathing the arches and can't remember what the pressure actually is but I set them at what the book says they should be.

PASTMASTER · Jun 2, 2009

If you can't find a solution, get a local tyre fitter to reverse the tyres (so that the wear is on the inside). If they ARE wearing asymmetrically, this will a) prolong the life of the tyre and b) prove that you do have a problem. If the problem is historic (ie they were already worn when fitted to the back) then there will be no difference. btw as a general rule under-inflation wears the edges (but usually both edges!), over-inflation wears the centres.

Unusual Rear Tyre Wear

GTSX

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PASTMASTER

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GTSX

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ruffday

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GTSX

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PASTMASTER

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