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Uneven tyre wear
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Uneven tyre wear
I just got a new set of tyres (fitted, balanced etc) to my 89 GQ. Coopers ST 285/75/16. (replaced exactly the same tyre under recall)
The rear passenger side tyre is showing severe feathering on the outside and inside tread blocks after only 800ks - all highway work. No other tyres are wearing unevenly. All tyres pressures are correct. There is no load in the vehicle (other than me).
The old tyres, to the best of my knowledge, didn't show this type of wear.
Any ideas on possible cause? It doesn't shake like a balance problem or something broken / loose. If it was on the front, I'd say very bad wheel alignment.
I'm taking it back to the tyre place tomorrow morning to get them to look at it, but I don't want them to BS me. Could it be a fitting issue?
The rear passenger side tyre is showing severe feathering on the outside and inside tread blocks after only 800ks - all highway work. No other tyres are wearing unevenly. All tyres pressures are correct. There is no load in the vehicle (other than me).
The old tyres, to the best of my knowledge, didn't show this type of wear.
Any ideas on possible cause? It doesn't shake like a balance problem or something broken / loose. If it was on the front, I'd say very bad wheel alignment.
I'm taking it back to the tyre place tomorrow morning to get them to look at it, but I don't want them to BS me. Could it be a fitting issue?
I agree with the rooted shocks theory, but in 800kms???MQ080 wrote:3 main things it could be if this is happening in the rear:
Wheel balance - you said this was done, however they may have done a half ass job
Buckled rim - there may be a small amount of runout even though the wheel balances
Rooted shocks - usually the main cause of feathering
Shut Up, Get Out, & Start Digging...
Update:
Took it back to tyre place (Bob Jane). They couldn't believe the tyre wear, and couldn't fault the truck. Their opinion was a faulty tyre.
They've kept the wheel to show to the Cooper's rep. Meanwhile its running with the spare. Guess I'll know in a few hundred K's whether its the tyre or the truck.
Took it back to tyre place (Bob Jane). They couldn't believe the tyre wear, and couldn't fault the truck. Their opinion was a faulty tyre.
They've kept the wheel to show to the Cooper's rep. Meanwhile its running with the spare. Guess I'll know in a few hundred K's whether its the tyre or the truck.

i might suggest taking the truck off to a suspension place like pedders or fulcrum and get them to do a 4 wheel alignment cause those blokes will be able to give you a better idea if your possibly dealing with a bent diff or something. usually if the shocks are worn the tyres tend to undulate or wear like a 50 cent piece.
Honey i cut the car in half!
I think the word you were looking for was justifyable not ironically. Irony would be if the single non-buckled wheel had un-even tyre wear.MR04WD wrote:I got the same prob,one wheel is wearing prematurely,but ironically its on the wheel that is buckled to the sh!thouse.Will have to do swapsies with spare
Hijacking my own thread for a minute....Josh n Kat wrote:i might suggest taking the truck off to a suspension place like pedders.....
Funnily enough, I took it to Pedders about 3 months ago to have one of their 28 point checks and test the suspension. (reason was to find a front end noise). They came back said that everything was ok, except the steering box which could do with reco. quote: $1100


Back on topic: When the wheel was off the car, the Bob Jane manager and myself inspected the tyre. Both the inside and outside tread blocks were worn to look like the tyre was severely under inflated (not case though) EXCEPT that not all tread blocks were worn. maybe 3 in a row were stuffed and then 1 would be like new, then another 4 stuffed, etc. This was on both sides of the tyre simlutaneously, so rulling out a bent rim / axle which would only wear one side at a time as the wheel ran out of true.
Remember that this tyre is only 800ks old - the blocks were not worn evenly, but in some cases had approx upto 3mm worn off them. The manager actually commented that it looked like someone had taken to it with a stanley knife.... Guess I'll know more in a week or so...
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