NetNews Usenet Archive 1992 #19/NN_1992_19.iso/spool/rec/autos/tech/12005

Internet Message Format | 1992-09-01 | 1.6 KB

Path: sparky!uunet!haven.umd.edu!darwin.sura.net!dtix!oasys!mcostell
From: [e-mail] (Malcolm G. Costello)
Newsgroups: rec.autos.tech
Subject: Re: Unusual Tire wear - "scalloping", Why?
Message-ID: <[e-mail]>
Date: 1 Sep 92 16:38:38 GMT
References: <[e-mail]>
Reply-To: [e-mail] (Malcolm G. Costello)
Organization: Carderock Division, NSWC, Bethesda, MD
Lines: 23

In rec.autos.tech, [e-mail] (Glenn Stauffer) writes:
!I've noticed an odd wear pattern on one of the rear tires of my Toyota
!Celica that has
!caused the car to become excessively noisy.  The tire tread has worn so
!that it is scalloped
!against the direction of rotation - the tread is raised in the direction
!of rotation and
!then dishes in.  Each tread section appears to be worn like this.
!Does anyone have a clue why a tire would wear this way?  I'm trying to
!isolate the problem
!to a defective tire or a mechanical problem before the warranty runs out.

My Dodge manual says scalloped wear is due to a lack of rotation of
tires or worn or out of allignment suspension. Its NOT a defective tire.
Do you rotate your tires regularly like every 10 or 15k miles? Since
its on the rear, can the rear be alligned? If not its probably a bad
shock absorber.
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Mack Costello <[e-mail]> Code 1720.1       ?
David Taylor Model Basin, Carderock Division Hq. NSWC    ___/-\____
Bethesda, MD 20084-5000   Phone [phone]          (__________>|

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