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Rob2193




Joined: Oct 06, 2005
Posts: 1



(Msg. 1) Posted: Thu Oct 06, 2005 10:42 am
Post subject: Tire mismatch???
2005 3.0R VDC Outback

The initial alignment was off and the outside edge of my two rear tires wore down to nothing in only 8000 miles. I noticed it when I did a tire rotation...funny thing, I had the rotation done at the dealership and they didn't notice it!?!

Anyhow, they're covering two new tires, but won't replace the originals that were on the front...I now have 12000 miles on the tires. The originals are only rated for ~40,000 miles (V speed rating) and they show decent wear. What is the maximum acceptable mismatch in diameter between tires...front-to-back??? (.2 inches???) I have to think that the current mismatch will exceed what is recommended, and why is the dealership telling me not to worry???

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y_p_w1

External


Since: Mar 02, 2004
Posts: 228



(Msg. 2) Posted: Thu Oct 06, 2005 11:55 pm
Post subject: Re: Tire mismatch??? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Edward Hayes wrote:

> Subaru says the maximum CIRCUMFERENCE DIFFERENCE should be no more
> than 1/4 inch. I believe this is ideal but, with so new a car if your
> not within the recommended tolerance of 1/4 inch I would push for 4
> new tires. I would expect that they remaining tires would be pro-rated
> so you may need to share some of the cost like 8000/40000?

Just want to make it clear, this really only applies to the current
auto tranny models. The manual tranmissions use a mechanical center
diff that is tolerant of different tire sizes.

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Carl 1 Lucky Texan

External


Since: Jan 20, 2004
Posts: 653



(Msg. 3) Posted: Thu Oct 06, 2005 11:55 pm
Post subject: Re: Tire mismatch??? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Rob2193 wrote:
> 2005 3.0R VDC Outback
>
> The initial alignment was off and the outside edge of my two rear
> tires wore down to nothing in only 8000 miles. I noticed it when I
> did a tire rotation...funny thing, I had the rotation done at the
> dealership and they didn’t notice it!?!
>
> Anyhow, they’re covering two new tires, but won’t replace the
> originals that were on the front...I now have 12000 miles on the
> tires. The originals are only rated for ~40,000 miles (V speed
> rating) and they show decent wear. What is the maximum acceptable
> mismatch in diameter between tires...front-to-back??? (.2 inches???)
> I have to think that the current mismatch will exceed what is
> recommended, and why is the dealership telling me not to worry???
>

I bet if YOU had put tires on the car like that, ever, and they knew
about it - they'd deny any drivetrain warranty claim.

I say, get 4 new tires or have them shave the new ones down to match the
older ones. THEY are the ones that should've delivered a new car to you
that does not chew up tires.

Carl


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Edward Hayes

External


Since: May 09, 2004
Posts: 448



(Msg. 4) Posted: Fri Oct 07, 2005 10:55 am
Post subject: Re: Tire mismatch??? [Login to view extended thread Info.]
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y.p.w: I have never read anything from Subaru that the maximum tire
circumference difference of 1/4 inch was different for AT and MT/ What
is your source for that information? Ed
"y_p_w" <y_p_w.TakeThisOut@hotmail.com> wrote in message
news:G4l1f.7526$zQ3.1232@newsread1.news.pas.earthlink.net...
>
>
> Edward Hayes wrote:
>
>> Subaru says the maximum CIRCUMFERENCE DIFFERENCE should be no more
>> than 1/4 inch. I believe this is ideal but, with so new a car if
>> your not within the recommended tolerance of 1/4 inch I would push
>> for 4 new tires. I would expect that they remaining tires would be
>> pro-rated so you may need to share some of the cost like
>> 8000/40000?
>
> Just want to make it clear, this really only applies to the current
> auto tranny models. The manual tranmissions use a mechanical center
> diff that is tolerant of different tire sizes.
 >> Stay informed about: Tire mismatch??? 
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