Question about 1991 Chevrolet Astro Extended

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Chevy astro 1998 wheel alignment problems

Hi
Can anyone help, i need the front wheel alignment setting for my Chevy astro 1998. Tyre centre here in the UK can not help.
Thanks
Gary.

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  • gjohnson02 May 24, 2009

    Very helpfull, I will take your advice at the end as the wear at the moment is only minimal.Made more phone calls no luck yet,may need to locate an american car specialist with car specialist prices Ha!.

  • gjohnson02 May 24, 2009

    Very helpfull, I will go with your advice at the end as the tyre ware is minimal at the moment.Made more phone calls still no luck.Will need to fine an american car specialist with specialist prices.Ha!

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Can't believe they don't have the numbers. but, not being in the business anymore, I don't either. However if you want to do something yourself, likely you can get it close by the" is it wearing and where' method, till you get the specs. Most have an excentric on the steering knuckle strut mount. Mark current position with something that won't wash off then turn excentric to move the top of the tire away from the area that's wearing, and lock it down. this changes your camber setting. If wheel is off center, center it and lock in place. sight down tire and see if one is visibly turned more in or out than the other. adjust that one first to make it reasonably straight by loosening collar on tie rod end. Count number of turns you made to the collar so you can return to original position if needed (write it down) Then measure distance between center of both tires at the front and rear of each, in the same place. The total measurement should be around one-quarter inch less at the front. If not, adjust each tire one half of the difference. Monitor tread wear after you do this and make any fine adjustments needed. Most of these do not have a caster adjustment, so don't bother with that.
I'm certain though that you will find a shop with those specs if you look a bit harder, but you may need to go beyond where you normally travel.
If your car is not wearing tires radically, or pulling badly, I would leave it alone till you find a more informed shop.

Posted on May 23, 2009

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If it's 2wd +0.1 degree each wheel. Near as **** straight ahead. 4wd is -2 degrees per wheel ie toe out.

Posted on Sep 07, 2009

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Help


Uneven tyre wear can only really be caused by either worn suspension or steering components, or wheel alignment angles incorrect. The best way to check this out is to get a wheel alignment carried out by a reputable specialist, as they will (or certainly should) go over your suspension and steering first to make sure there are no faults before they reset the wheel alignment. The other thing to note is that if the uneven tyre wear is bad enough the wheel alignment won't fix the wear problem, just slow it down.
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