TIRES thread - Page 3 - Toyota Nation Forum : Toyota Car and Truck Forums
Camry Hybrid Discussion area for the Toyota Camry Hybrid. Topics of discussion range from fuel economy, safety, modifications, performance all involving Americas favorite family car, the Toyota Camry.

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post #31 of 147 Old 05-02-2013, 11:31 AM
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Quote:
Originally Posted by Ron AKA View Post
Did my second tire rotation today at 18,000 km, with a careful measurement of the remaining tread, which started out new at 9.5/32". I was surprised at how much wear there was, and that it was not even across the tread. Here are the average measurements in 32's" for the 4 tread grooves, from outside to inside"

7.6 - 7.3 - 7.3 - 8.1

The minimum tread depth I measured was 7/32".

At 8,000 km the average was about 9/32". At the rate they are wearing they will only make 40,000 km when they reach 4/32". I see the Michelin warranty is supposed to be 100,000 km. It appears there is no way they will get close to that even if you went down to 2/32" as the warranty requires.

Any thoughts on how to go about getting a tread life warranty on these tires? In the past I have found tread life warranties are almost impossible to collect on.

The other issue here is that I have been running the Toyota recommended maximum pressure of 38 psi. However, it appears the center of the tire is wearing more than the outside, and there may be a downside to running the higher pressure. I adjusted the pressure back down to the standard pressure recommended by Toyota of 35. Will see in future rotations if that makes any difference.
over-inflation will always cause tires, including radials to prematurely wear down the center, not to mention detracting from a comfortable ride, the extent being just how much they are overinflated. hypermiling does have it's drawbacks, after all. When I got my camry delivered, I reduced the inflation by 3 lbs and could easily feel the ride quality improve. After a couple of months, I went back up 2 lbs and the ride is "OK", because I'm more used to the Camry's ride. Owning a Sienna makes the Camry's ride obviously feel stiff.

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post #32 of 147 Old 05-02-2013, 11:44 AM
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Originally Posted by dj2012tch View Post
My owner's manual shows direct rotation from front to rear, staying on same side of car, so they think my tires are directional.
Mine are Michelin X Green Energy Saver A/S P205X65R16, on a 2012 Camry Hybrid LS. I remember my 08 Corolla had this same tire rotation in owners manual.
If these tires are directional, could the cross rotation make premature wear?
I don't know, I'm asking.
They are just covering their butt with the manual, as they don't know what specific tire will be on it, especially after it is in the hands of the owner. Front to back, same side works with either directional or non directional tires, so it is the fail safe option. However it is said to deliver less tread life than the front crossover pattern.

From the Michelin info on line I see no mention of the Energy Saver A/S tires being directional. Check the sidewalls to be sure, as there will be a directional arrow on the sidewall if they are.

I mistakenly did the front crossover pattern with the Michelin Pilot Exalto A/S tires on my Mazda 3. They are directional (have the arrows on the sidewall), and it appears they will still achieve rated tread life when they are down to 4/32". I suspect all it does is affect the so called wet handling performance. I never noticed any difference in handling as I rotated them. However, I will not do it again. Nor will I buy directional tires, as it limits your rotation pattern.

The Primacy MXV4 are not directional. Not sure about the Bridgestone Turanza.

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post #33 of 147 Old 05-02-2013, 11:44 AM
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Quote:
Originally Posted by dj2012tch View Post
My owner's manual shows direct rotation from front to rear, staying on same side of car, so they think my tires are directional.
Mine are Michelin X Green Energy Saver A/S P205X65R16, on a 2012 Camry Hybrid LS.

I remember my 08 Corolla had this same tire rotation in owners manual.
If these tires are directional, could the cross rotation make premature wear?
I don't know, I'm asking.
Michelin Energy Saver A/S are not directional.

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post #34 of 147 Old 05-02-2013, 06:05 PM
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Quote:
Originally Posted by Ron AKA View Post
They are just covering their butt with the manual, as they don't know what specific tire will be on it, especially after it is in the hands of the owner. Front to back, same side works with either directional or non directional tires, so it is the fail safe option. However it is said to deliver less tread life than the front crossover pattern.

From the Michelin info on line I see no mention of the Energy Saver A/S tires being directional. Check the sidewalls to be sure, as there will be a directional arrow on the sidewall if they are.

I mistakenly did the front crossover pattern with the Michelin Pilot Exalto A/S tires on my Mazda 3. They are directional (have the arrows on the sidewall), and it appears they will still achieve rated tread life when they are down to 4/32". I suspect all it does is affect the so called wet handling performance. I never noticed any difference in handling as I rotated them. However, I will not do it again. Nor will I buy directional tires, as it limits your rotation pattern.

The Primacy MXV4 are not directional. Not sure about the Bridgestone Turanza.
WOW, I'm surprised you don't want to own tires that have all the advantages that directional tires afford.

Dave - 2007 Sienna, 2012 Camry Hybrid
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post #35 of 147 Old 05-02-2013, 08:24 PM
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[QUOTE=Ron AKA;4866553]
Any thoughts on how to go about getting a tread life warranty on these tires? In the past I have found tread life warranties are almost impossible to collect on.
/QUOTE]

Stopping spinning those front tires?

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post #36 of 147 Old 05-03-2013, 08:54 AM
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[quote=gin man;4873025]
Quote:
Originally Posted by Ron AKA View Post
Any thoughts on how to go about getting a tread life warranty on these tires? In the past I have found tread life warranties are almost impossible to collect on.
/QUOTE]

Stopping spinning those front tires?
"discount tires" honors warranty on all their tires. you need original receipt and mileage + tread measurements and ODO reading taken when tires are bold.
you'll prorated for new tires. not sure how they calculate proration amount, but it usually helps a bit if you buying new set and pulling 7-800 out of pocket.

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post #37 of 147 Old 05-04-2013, 09:05 AM
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The problem I had with treadlife warranties is Sam's for example, wants you to run down to 2/32 or below. I really think that is pushing it when you think in terms of safety in wet or winter slop driving conditions. I am not real comfortable with my wife driving her van around full of kids with bad tires.

I think a key aspect to consider here is cool weather. I am thinking it makes more sense to inflate higher when it is cold, since I already see a higher warm temp pressure than what i saw in the cold weather.



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post #38 of 147 Old 05-05-2013, 12:52 PM
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Today, while on my road trip, I dropped my tire pressure back down to 36/34 (from 40/37) and the steering feel is improved. Not as sensitive and feels better weighted. still doesn't track great but it seems to be a noticeable improvement. Based on Ron's feedback it may also help tire life.

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post #39 of 147 Old 06-07-2013, 11:58 PM
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swapping xle tires and wheels with le tires and wheels

What do you think? Will the xle get the same mpg as le?

2007 Camry XLE V6, metallic silver, Navigation, smart key, heated leather seats, VSC, Tint 35% back 50% front, K&N.
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Last edited by tzeshan; 06-08-2013 at 12:12 AM.
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post #40 of 147 Old 06-08-2013, 09:12 AM
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Are the tires the same height? If so, it shouldn't make any difference in regards to your gas mileage. I have a 2007 Toyota Camry Hybrid that had the factory alloy wheels with 215/60/16 tires. I bought aftermarket 17 inch rims and put 215/55/17 tires on them (exact same size as the Camry SE) and there was no difference in fuel economy and the speedometer still reads correctly because the tire height is the same. Hope this helps.

- Mario
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post #41 of 147 Old 06-08-2013, 09:26 AM
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Quote:
Originally Posted by Mario81587 View Post
Are the tires the same height? If so, it shouldn't make any difference in regards to your gas mileage. I have a 2007 Toyota Camry Hybrid that had the factory alloy wheels with 215/60/16 tires. I bought aftermarket 17 inch rims and put 215/55/17 tires on them (exact same size as the Camry SE) and there was no difference in fuel economy and the speedometer still reads correctly because the tire height is the same. Hope this helps.

- Mario
No, I mean using P205/65R16 alloy wheels instead of the P215/55R17 of XLE.

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post #42 of 147 Old 06-08-2013, 09:41 AM
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As long as the height of the actual tire is the same, it shouldn't matter. The size of the wheel/rim has nothing to do with the overall tire height. Take one of each tire and put them side-by-side to compare. I have posted a link below to try to explain it a little better.

http://www.discounttire.com/dtcs/infoPlusSizing.dos

Last edited by Mario81587; 06-08-2013 at 09:43 AM.
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post #43 of 147 Old 06-08-2013, 10:31 AM
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Quote:
Originally Posted by Mario81587 View Post
As long as the height of the actual tire is the same, it shouldn't matter. The size of the wheel/rim has nothing to do with the overall tire height. Take one of each tire and put them side-by-side to compare. I have posted a link below to try to explain it a little better.

http://www.discounttire.com/dtcs/infoPlusSizing.dos
The link talks about the look and performance. It did not talk about MPG. In another forum thread some people said Camry Hybrid XLE MPG differences with the LE model is due to the tires. This is why I got the idea of swapping the xle tires and wheels with the le.

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post #44 of 147 Old 06-08-2013, 11:22 AM
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Quote:
Originally Posted by tzeshan View Post
What do you think? Will the xle get the same mpg as le?
Some things to consider:

1. The EPA rates the LE at 41 mpg combined, and the XLE at 40 mpg combined. The EPA do not report down to the .1 of a mpg, and round off. The actual test results could have been 40.5 for the LE and 40.4 for the XLE. In other words the difference could be simple round off and is insignificant compared to the measurement error.

2. The only obvious difference in the models is the wheel and tire size. There is a small weight difference but that is probably insignificant. What you don't know is the specific tire used in the EPA test. Toyota would know, but I don't know where you could find it. The rolling resistance of the specific tire could easily account for the difference in fuel economy. It may or may not be more significant than the tire size. Consumer Reports data is unclear as to which tire may have lower rolling resistance.

3. The LE uses steel wheels while the XLE uses larger cast aluminum. Could the cast aluminum be heavier? That would be my guess. However you would have to weigh them to know. Significant?

4. The EPA tracks self reported mpg. Currently the average for the 2012 models is 40.2 for the LE, and 38.5 for the XLE. If you rounded them off like EPA does for the test data, that would be 40 for the LE and 39 for the XLE. It would seem that the very slight advantage of the LE is validated. Could it also be the those who buy the LE are more cost conscious and drive differently than those who buy the XLE? Or, is it the smaller wheels and higher profile tires on the LE?

5. In Canada I believe the LE comes with Michelin Energy while the XLE comes with Michelin Primacy. The revolutions per mile of the Energy is 786 while the Primacy is 791. This is in favour of the Primacy. It is reporting more mileage for the same distance traveled. This can be ruled out as the reason

The bottom line is that I think you would be chasing shadows trying to replicate the EPA test results, especially if you use cast aluminum tires instead of steel, and if you don't use exactly the same tires as they used for the EPA test. It is also very costly to change wheels and tires. You are unlikely to ever make your money back on improved fuel economy if you even get any. Best bet would be to keep the wheels and when the tires wear out do some research and buy the most fuel efficient version currently available. Tires are improving all the time.

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post #45 of 147 Old 06-08-2013, 12:34 PM
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I've thought about this too, I wish someone would get a set of LE tires/wheels and install them on XLE TCH of same '12/13 year. and report the results over like 5-10 tanks. I'd be interested- would even use my '13 XLE, if someone has a set of LE 16" not in use.
if 2mpg can be gained (on average) by going to 16" low resistance tires (and comparable 16" wheels)- that's 5% increase. This may also be useful info for someone looking to do a non-factory wheel replacement options.
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