Front tires are starting a cupping wear pattern, help!
MJ>XJ
Joined: Mar 2009
Posts: 17,836
Likes: 7
From: Griffin, G.A.
Year: 1990
Model: Comanche
Engine: 4.0 I6
yep me too... but some people get on here and just have no clue what there talking about... and them kinda people should just be friends with the local mech... not to say this guy is like that but the longer the question the better... means its explained since we cant see... short questions are good only with a pic...
Senior Member
Joined: Apr 2009
Posts: 922
Likes: 2
From: Grand Haven, Michigan
Year: 1998, 1999
Model: Cherokee
Engine: 4.0
Yep, the first step anyone that wants to do their own work is to buy a cheap Manual, Maybe a Haynes or whatever... a high % of the questions asked on here are right in the maunal...
Makes you wonder... But I guess we all started somewhere. I'm glad to help if I can.
Mike
Makes you wonder... But I guess we all started somewhere. I'm glad to help if I can.
Mike
Thread Starter
Seasoned Member
Joined: Oct 2008
Posts: 287
Likes: 1
From: Vail, CO
Year: 2000
Model: Cherokee
Engine: 4.0
I appreciate the help guys, sorry I didn't really have time for a longer explanation or pictures but it's been raining like crazy here in the Boulder area and haven't had the chance to take any pics when I get off of work. I did go to the shop and asked him about it had it was very persistant on checking the bearings and didn't seem too worried about the alignment considering I just got one about a month ago. Concerning the shocks, they have only been on there since the beginning of January and I checked them and there still good. So when this rain stops to get a chance to get outside under the heep I will let you guys know. Thanks again
Thread Starter
Seasoned Member
Joined: Oct 2008
Posts: 287
Likes: 1
From: Vail, CO
Year: 2000
Model: Cherokee
Engine: 4.0
i think so, because I just noticed them last week and I don't know how I would have missed it if they were like that before my alignment. Im gonna take it back to the same place today and see what they have to say about it. and make them put my jeep on the lift real quick and give me front end a quick look through
being in the auto buisness for a few years,..the most common cause is bad shocks or tower grommets,...as well as unbalanced tires,..they actually work hand in hand and make a hormonic inbalance and the tires shake up and down at certain points causing the cupping action.....rotate and re-balance like everyone stated before....im not ase certified,...but i know a tire guy at Edwards tire by me in Brick N.J....(not trying to cut anybody else off)...give it a shot....just trying to help....dont want to step on any toes...
Last edited by micorey2; Jun 18, 2009 at 09:11 PM.
MJ>XJ
Joined: Mar 2009
Posts: 17,836
Likes: 7
From: Griffin, G.A.
Year: 1990
Model: Comanche
Engine: 4.0 I6
alignments are always fun cause you can have one done and bump a curb on the way out the lots and be right back where you were before you went in... dont expect the shop to help you out any on that just for that reason... alignments are like a automotive scam that theres nothing anyone can do about... lol... you say you just stuck the shocks on there so im sure there not the problem but i can actually see them causing this problem... if you think about bouncing a ball on a hard surface its kinda the same thing... the tire flatens and then ovals while bouncing down the road... but then not being balanced well would play a part in helping that be the problem... but like u said there new so shouldnt be a problem... unless there to short or too long??? that could be an issue!
alignments are always fun cause you can have one done and bump a curb on the way out the lots and be right back where you were before you went in... dont expect the shop to help you out any on that just for that reason... alignments are like a automotive scam that theres nothing anyone can do about... lol... you say you just stuck the shocks on there so im sure there not the problem but i can actually see them causing this problem... if you think about bouncing a ball on a hard surface its kinda the same thing... the tire flatens and then ovals while bouncing down the road... but then not being balanced well would play a part in helping that be the problem... but like u said there new so shouldnt be a problem... unless there to short or too long??? that could be an issue!
Just make sure the tire pressure is right for the tire. BFG MTs are ok at 30psi on the street but Swamper TSL radials are not. Ive run Swamper SXs, TSL Radials, and Boggers on DDs and they tend to like around 20psi for the street for wear and comfort.
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