why are my front tyres wearing on the outsides,wheel alignment says it all good and drives straight. Any suggestions ??
The car may simply need the wheels aligned, but misalignment could be due to sagging springs, worn ball joints or worn control arm bushings.
strut top bearing on mine is killing my left hand tyre. also seems to have a slight bit of pos camber too. have you had the front shocks out at any stage?
Except for the struts, top plates and bearings,all of your other replies,as relevant and as they are,should have been picked up when you had your wheel alignment.That's one of the problems we're faced with today.Almost every workshop does wheel alignments but many of them should stick to changing oil and filters.At the opposite end we are offered Pedders and from my experience they will almost always exaggerate the need to replace parts so that they can justify paying someone to sit at a desk and take phone calls and of course your money.So check your steering and suspension yourself (not as easy when you don't have a hoist) and CHECK YOUR TYRE PRESSURES,a couple of psi too low and your tyres will scrub out very quickly ,especially if you drive faster than the old guy on the mobility scooter.Remember of course that the manufacturer's suggested pressures are not ever high enough because they simply want the ride to be comfortable .
are both front tyres wearing or just one side? also do you have your last alignment specs? not all cars wear perfect with factory specs, maybe need a little more toe in.
I agree with Jonah. If the alignment says they are fine, and she drives straight then it could simply be driving style. Taking corners aggresively will increase outside wear on the front tyres.
Funny, but not very helpful comments so far. If you haven't been using your car on the track there is no way you should be wearing the outside of the front tyres with proper alignment. I drive my 7l GTS very hard on the road and have never had a problem with wearing of the fronts (however, the rears seem to wear out very quickly for some reason that I haven't worked out yet !!!). Suggest you change where you are getting your suspension alignment - if you are in Melbourne I can give you a recommendation. The following is an excerpt from the Holden Service Manual re HSV VX alignment. Note that you may need to purchase some better radius rod bushes that have provision for adjustable castor, such as Nolathane, to get the castor correct. The tyre life of high performance low-profile tyres fitted to HSV VX vehicles is very sensitive to the toe-in setting of the front suspension. It is crucial therefore, that care is taken to set the toe-in accurately to the correct specification. The front wheel alignment specification for VX vehicles is: VX & WH Toe-in Degrees Total 0°10' ± 0°10' Degrees Per Wheel 0°05' ± 0°5' Camber – 0°30' ± 0°20' Caster 7°45' ± 1°15' • The toe-in specification is deliberately quoted as an angle because wherever possible toe-in should be measured in degrees. WHEEL ALIGNMENT MACHINE CALIBRATION (From Holden Service Bulletin November 1993) Investigation of front wheel alignment complaints has revealed a number of dealers with alignment machines incorrectly calibrated for the vehicle/s being checked. This situation arises because of two basic conventions for measuring toe-in; • Measured across a 14"rim as if tyre is not fitted, and • Measured across 28" tyre. In reality, few modern tyres have a 28"outside diameter, but this standard was developed when larger tyres were used. The 28"standard is a carryover from the days when toe-in was measured by jacking the front wheels off the ground, spinning them, and scribing a reference line on each tread. After settling the vehicle down, the toe-in could then be measured directly from the tyres with a ‘trammel bar’. However, some manufacturers specify toe-in as if the trammel bar was placed at the wheel rim diameter, nominally 14" Setting toe-in using the wrong convention for the wheel alignment machine will cause the actual toe-in to be either TWICE or HALF as much as the specification. NOTE: IF IN DOUBT, SET TOE-IN USING DEGREES, AS THE ANGLE IS UNAFFECTED BY THE DIAMETER OF THE WHEELS USED.
lol... well, someone rates themselves highly. You obviously seem to thing you know some details that everyone else on her doesn't making comments such as "If you haven't been using your car on the track there is no way you should be wearing the outside of the front tyres with proper alignment". Considering the quality of the tyres, the pressure in the tyres, wear of components and driving style can all actually contribute to outside tyre wear even if the alignment is spot on. So thus far I feel that the suggestions have covered most of these items and I think have been useful. A few too many unknown variables to make a sweeping comment like that I think. Your comment overall seems the least useful, considering your advice is "get an alignment" after the OP opened by saying the alignment is fine. And nice work on quoting a something that was raised with the holden alignment issue in 1993 but last I checked, VX clubsports aren't of that era... nor are the alignment machines used these days so I'm not completely sure of the relevance of this. Just throwing it out there. You've contributed some kinda useful points, but opening with **** slinging of other posts isn't a good idea. As the saying goes, "Those who live in glass houses..."
Id suggest getting yourself or trusted merchanic to check all bushes and ball joints for wear and go from there. i had a customers car chopping the inners of the front due to worn lower control arm bushes.
