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Old 08-04-2010, 09:41 PM   #1
Lspade
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Question I haven't rotated my tires in a while, is it safe?

EDIT: Already have new tires installed and will be rotating them following the dealership's recommendations. Thanks for all of the replies.
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Last edited by Lspade; 08-26-2010 at 10:11 AM.
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Old 08-04-2010, 09:52 PM   #2
AkRsWagon
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how does the wear on the tires look
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Old 08-04-2010, 10:18 PM   #3
boost4life
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Your suppose to rotate every 7500 miles under normal use.
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Old 08-04-2010, 10:33 PM   #4
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The rubber is really chewed up from driving hard around paved corners.
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Old 08-04-2010, 10:51 PM   #5
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wow you could have just screwed your ceter diff to poop man change your fluids and pray to the subie gods that no metal shaving comes out
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Old 08-04-2010, 11:14 PM   #6
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Originally Posted by jesse_r View Post
wow you could have just screwed your ceter diff to poop man change your fluids and pray to the subie gods that no metal shaving comes out
You're not going to see metal shavings from the center diff. That's a sealed unit that goes bad when the silicone based fluid inside wears out from constant overheating and is no longer viscous.
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Old 08-05-2010, 12:29 AM   #7
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hold the phone. why is my center dif turning into poop??? because of what the shop did? or because I haven't rotated my tires and the front tires are probably more worn down than the rear tires which in theory is hard on the dif?

I'm pissed because i've owned only fwd before this car and never rotated the tires. I just wanted to know if it was still safe to rotate them but are you guys saying that I could have f'd something up by NOT rotating them???
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Old 08-05-2010, 12:43 AM   #8
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Lspade your supposed to rotate your tires every 7500 miles. So it ultimately is your fault the tires are where they are now that it's been 18k miles. Subaru's awd requires that all the tires stay within 1/4 inch in circumfrence, if not the dif can be damaged. This also means that you usually need to replace the tires in sets of 4 at a time, and keep them rotated to avoid being out of spec. It also makes your tires last much much longer.

Without knowing how bad your tires are (you should probably messaure them) it's impossible for us to say if you can actually reuse the tires. You can be optimistic and hope your diff is still okay though.


Go buy 4 new tires.


edit/ here is a good link for you about awd and tire depths
http://www.tirerack.com/tires/tirete....jsp?techid=18
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Old 08-05-2010, 02:03 AM   #9
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...... if you are still driving around, then your center diff is alright.

My advice is just buy 4 new cheap tires. Or, if you are on a budget, then measure your tire's tread depth, buy 2 tires, and have them shaved down. but considering we do not know what depth your tires are at currently, you could just be shaving tires down and wasting money.

Bottom line: your center diff is alright, buy 4 tires, and post this in the tires and wheels section.
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Old 08-05-2010, 07:09 AM   #10
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every 7500 miles? what. would rotating / getting an alignment correct diff issues?
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Old 08-05-2010, 10:12 AM   #11
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Quote:
Originally Posted by Lspade View Post
hold the phone. why is my center dif turning into poop??? because of what the shop did? or because I haven't rotated my tires and the front tires are probably more worn down than the rear tires which in theory is hard on the dif?

I'm pissed because i've owned only fwd before this car and never rotated the tires. I just wanted to know if it was still safe to rotate them but are you guys saying that I could have f'd something up by NOT rotating them???
Some of these people sound overly dramatic. When I had my WRX, I would rotate the tires one time per set of tires if at all. When I sold the car, it had 143k miles and had no issues at all. I would say rotate the tires if it makes you feel better, but otherwise wait until you need new tires, which is most likely soon.
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Old 08-05-2010, 06:13 PM   #12
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Quote:
Originally Posted by Nicklz View Post
Lspade your supposed to rotate your tires every 7500 miles. So it ultimately is your fault the tires are where they are now that it's been 18k miles. Subaru's awd requires that all the tires stay within 1/4 inch in circumfrence, if not the dif can be damaged. This also means that you usually need to replace the tires in sets of 4 at a time, and keep them rotated to avoid being out of spec. It also makes your tires last much much longer.
Ya and the worst part is that I knew that! But I've never rotated my tires in my life so I just seriously didnt consider it until a coworker told me he had to get his tires rotated. Thanks for the link.
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Old 08-05-2010, 06:15 PM   #13
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Originally Posted by stwang314 View Post
......

Bottom line: your center diff is alright, buy 4 tires, and post this in the tires and wheels section.
Thanks for the positive reinforcement. I've been stressing over it. AND thanks for letting me know there is a tires and wheels section. I didn't see it when I was looking for the appropriate topic to post under.
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Old 08-05-2010, 06:19 PM   #14
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Originally Posted by BugI_FTW View Post
Some of these people sound overly dramatic. When I had my WRX, I would rotate the tires one time per set of tires if at all. When I sold the car, it had 143k miles and had no issues at all. I would say rotate the tires if it makes you feel better, but otherwise wait until you need new tires, which is most likely soon.
I am anal about scheduled maintenance so as soon as I get some new tires I'll be doing the 7,500 rotation. But it is very good to know that you drove further distances than me without rotating and without problems. It puts my worries at ease.
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Old 08-05-2010, 06:40 PM   #15
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K, so I measured the tread depth with a quarter.

The p.f. was moved to d.r.
The d.f. and p.f. are new
The p.r. stayed in the same place

IF the tread has to be off by a 1/4 inch to do damage then I am fine at the moment because the thinnest tread is at most 3/32 off from the thickest tread. However, the new tires have a different tread pattern BUT they say the exact same thing on the tire walls so I'm assuming the tires that were replaced are just a newer version. I hope this doesn't throw off my equation.
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Old 08-06-2010, 04:01 AM   #16
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yeah your not supposed to mix and match tires either
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Old 08-25-2010, 11:50 PM   #17
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Quote:
Originally Posted by Lspade View Post
hold the phone. why is my center dif turning into poop??? because of what the shop did? or because I haven't rotated my tires and the front tires are probably more worn down than the rear tires which in theory is hard on the dif?

I'm pissed because i've owned only fwd before this car and never rotated the tires. I just wanted to know if it was still safe to rotate them but are you guys saying that I could have f'd something up by NOT rotating them???
jesus. your worried about your center diff? how ridiculously ironic when you treat the entire car like dog ****. people like you are my job security, you dont rotate tires on an AWD car for 15k miles and wonder.........why did my drive-train implode? after all the threads i have read that you posted, this is literally the least of your worries. how many times a day do you drop the clutch/launch the car?

Quote:
Originally Posted by Lspade View Post
K, so I measured the tread depth with a quarter.

The p.f. was moved to d.r.
The d.f. and p.f. are new
The p.r. stayed in the same place

IF the tread has to be off by a 1/4 inch to do damage then I am fine at the moment because the thinnest tread is at most 3/32 off from the thickest tread. However, the new tires have a different tread pattern BUT they say the exact same thing on the tire walls so I'm assuming the tires that were replaced are just a newer version. I hope this doesn't throw off my equation.
ha! its not a 1/4inch of tread depth newbie. subaru states there should not be more than 1/8 of an inch differance between any tires CIRCUMFERENCE.

oh, and you should have all the same tires, different tires have different rolling resistance = bad. and why is this in the detailing section?
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Old 08-26-2010, 10:01 AM   #18
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Quote:
Originally Posted by Lspade View Post
K, so I measured the tread depth with a quarter.

The p.f. was moved to d.r.
The d.f. and p.f. are new
The p.r. stayed in the same place

IF the tread has to be off by a 1/4 inch to do damage then I am fine at the moment because the thinnest tread is at most 3/32 off from the thickest tread. However, the new tires have a different tread pattern BUT they say the exact same thing on the tire walls so I'm assuming the tires that were replaced are just a newer version. I hope this doesn't throw off my equation.
You can not missmatch tires because not all tires are the exact same size even though they all might say for example 215/45/17. A hankook might be slightly wider then a goodyear or a michilin might be slightly taller then a firestone.Iv witnessed this on my old f-body. I had hankook on my 17x9 wheels that were flush with the wheel. I changed to bfgoodrich and they ended up sticking out slightly past the wheel even though they were the same 275/40/17 size. Subaru states 1/4 inch difference could cause drivetrain damage. So basically you shouldnt have no more then 3/32s difference between all tires.
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Old 08-26-2010, 10:14 AM   #19
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Originally Posted by WRBluRex View Post
You can not missmatch tires because not all tires are the exact same size even though they all might say for example 215/45/17. A hankook might be slightly wider then a goodyear or a michilin might be slightly taller then a firestone.Iv witnessed this on my old f-body. I had hankook on my 17x9 wheels that were flush with the wheel. I changed to bfgoodrich and they ended up sticking out slightly past the wheel even though they were the same 275/40/17 size. Subaru states 1/4 inch difference could cause drivetrain damage. So basically you shouldnt have no more then 3/32s difference between all tires.
The subaru dealership in duluth mn installed the mismatched tires. Since I had only owned the car for a month or so I didn't realize that this was a bad idea or I would have said something.
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Old 08-26-2010, 10:26 AM   #20
WRBluRex
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Originally Posted by Lspade View Post
The subaru dealership in duluth mn installed the mismatched tires. Since I had only owned the car for a month or so I didn't realize that this was a bad idea or I would have said something.
That does not make sence that a subaru dealer would do something like that with out telling you this is temporary change your tires soon when all subarus are AWD.
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Old 08-26-2010, 11:24 AM   #21
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Quote:
Originally Posted by WRBluRex View Post
That does not make sence that a subaru dealer would do something like that with out telling you this is temporary change your tires soon when all subarus are AWD.

How many dealerships have you been too, even Subaru dealers, where no one and I mean no one on the lot or in the shop knew WTF they were doing? Exact reason why I always stand over anybody that does any work on my car, I worked in a shop before and I know its a bitch when the client is standing over you but I am not about to let some ****up dumb**** highschool dropout (hopefully not at the dealer but weirder things have happened) **** up my car.

Moral of the story: Always always ALWAYS inspect your car before handing over the keys and right before they hand them back to you.

OP: hope everything will be cool and no damage was done, if everything is running smoothly now you should be good.
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Old 08-26-2010, 11:43 AM   #22
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Quote:
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Ya and the worst part is that I knew that! But I've never rotated my tires in my life so I just seriously didnt consider it until a coworker told me he had to get his tires rotated. Thanks for the link.
Quote:
Originally Posted by Lspade View Post
I am anal about scheduled maintenance so as soon as I get some new tires I'll be doing the 7,500 rotation. But it is very good to know that you drove further distances than me without rotating and without problems. It puts my worries at ease.
I fail to believe that you are a stickler for maintaining your car if you never thought to rotate your tires. You are either too young, uneducated, or both to be the owner of a car.
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