Just bought a '06 magnum srt8, 30Kmiles, both front tires (oem) are showing severe wear on outer shoulder. alignment is within spec. but it looks as though camber needs to be adjusted. factory calls for 0 and camber is not adjustable on this car. many people on magnum forums are complaining of similar problems. car tracks straight and tread shows no sign of incorrect toe-in. what to do other than buy aftermarket upper control arms which have adjustable camber as well as castor?
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Re: aggravated front tire wear (outer edges)
Well even though the toe is recommended to be straight ahead can toe it out a 1/16th of an inch and that will help with tire wear on the outer edges and even if vehicle is in good alignment you should rotate your tires front to back and back to front every 5,000-7,500 miles that helps them wear longer to.
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Under inflation. When the tire doesn't have enough air pressure, the center tends to be pushed up from the road. Thus causing outer wear on both sides. alignment problems cause wear on one side or the other. Over inflation causes the center of the tire to wear .
well sometimes they claim that this shock has a 45,000 mi average life, Also note the wear on the tire if there is any. An over inflated tire will wear in the center more than the edge, a under inflated tire will wear on the outer edges, a bad shock can cause a tire to wear not necessarily the tread but the smootness of the tire, is it all rough with raised tread edges or uneveness? Does the vehicle have sway or does vehicle bounce or washboard when hitting bumps? does the shock have visual signs of fluid leak? These are all signs of shock failure and should be replaced. And not necessarily al four at he same time, replace shock with manufacturer equipment if replacing only one, if replacing two on the same axle you can use aftermarket matched shocks or factory oem.
Be sure to have tires rotated every 5000-6000-miles. Walmart is good for that.
Outside wear is normal for fronts from the turns at higher speeds.
When tierod ends were replaced it is advisable to get front end aligned. Its not impossible to replace with minimum change but if settings were done with worn parts, new parts will change it.
the Chevy G-Van is very rough on tires, especialy the inner and outer edges as it is so top heavy and sways som much, the weight is consistantly on the outer edges of the tires. causing the edges to burn off. if this is the type of wear you have. there really is not much you can do...i assume the repair shops have confirmed the alignment angles are in specs...if this is so. i stongly suggest purchasing tires that have a close tread on the out side edges. to be more specific. if you purchase an off road tire, it has large voides between tred lugs allowing for the debris to be evacuated quickly, forcing it to the outer edges of tire and out. if you purchase a highway type tire that has a "closed" tread on outside edges of tire you will expierence better success with keeping tires ono the front end longer that 15,000 miles...i dont know what brands of tires are in england, but i would suggest a Uniroyal HDH (heavy duty highway) or similar tread pattern..this will help you out alot...below is a link to the uniroyal site, view the HDH vs the HDT, the large voids i speak of to avoid for your truck is on the HDT (heavy duty traction)...good luck...let me know how you make out!