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Mazda CX-7 Tires, Wheels

176 messages,  Last post on Jan 19, 2010 at 8:08 AM

You are in the Mazda CX-7 Forum. Your Hosts are steve_ & tidester

What is this discussion about? Mazda CX-7, Tires, Wheels, SUV


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#105 of 176
Re: Real World Tire Performance [bucks37] by dchavez
Sep 25, 2007 (8:02 pm)
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Replying to: bucks37 (Jun 06, 2007 12:09 pm)

I was told by my dealers' repair shop that there was a notice given to dealers of this problem. Their solution was to rotate the tires every 3,000 miles. I have done that for 2 times now. But based on what I have read this appears bogus and a bigger problem. I have gotten 20,000 miles on my Goodyear Eagle RSA's which the insides are bare and are going to need to be replaced. This is becoming an expensive car to maintain!!
#106 of 176
Re: Real World Tire Performance [dchavez] by vbbuilt
Sep 26, 2007 (2:51 am)
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Replying to: dchavez (Sep 25, 2007 8:02 pm)

When was the last time you had an alignment done? Uneven wear is a good sign your wheels aren't true. If you've got 20K miles and never had it done, it's a good bet that's the problem. I had the same problem, but had mine done at 30K miles. Seems to have made a difference, but next time, I'll be a little more diligent in getting it done more frequently.
 
You hit pot holes, go over speed bumps too quickly, wheels rub the curb in parallel parking. The list goes on. A lot of experts seem to recommend having an alignment done every 10K miles.
 
Vince.
#107 of 176
Re: Real World Tire Performance [vbbuilt] by dchavez
Sep 26, 2007 (7:41 am)
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Replying to: vbbuilt (Sep 26, 2007 2:51 am)

I got the alignment done at 9k. The situation never got better.
 
Dennis
#108 of 176
Re: Real World Tire Performance [dchavez] by vbbuilt
Sep 26, 2007 (10:02 am)
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Replying to: dchavez (Sep 26, 2007 7:41 am)

Hmmm, hard to say what could be the cause of uneven wear.
 
Keep in mind, too, that the RS/A are considered a high performance tire, made of softer compounds than standard passenger cars. They simply wear out faster. I've got 30K on my RS/A with tread bars starting to show. I'm fixing to replace in another month or two. But I've learned to simply factor in the cost of ownership, as the CX-7 is a BEAST!
 
Vince.
#109 of 176
Re: Real World Tire Performance [dchavez] by carlitos92
Sep 26, 2007 (5:48 pm)
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Replying to: dchavez (Sep 26, 2007 7:41 am)

My understanding is that once the tires start wearing unevenly, an alignment can't totally correct the situation. You can stop the cause, but once the tires are uneven, you still start out at that baseline for any future wear, whether even or not. In this case, 9,000 miles is sounding like it's 25%-33% of the total tire life.
 
I just rotated mine at roughly 19K (my floor jack has been broken until this past weekend ) and I figure I'm over 50% through the tread, but nowhere near the wear bars just yet. That being said, going 19K without rotating has not done me any favors. The edges of the front tires are pretty rounded (more a function of me trying to drive the CX like it's a Mazdaspeed6, rather than an alignment issue) but still on track to give me 30K I think. I'm okay if I get that, knowing these aren't exactly truck tires. I've had A509s on a Civic that lasted about 14K before they deteriorated into unintentional racing slicks.
 
-c92
#110 of 176
Re: Real World Tire Performance [bucks37] by rharville
Oct 08, 2007 (9:41 am)
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Replying to: bucks37 (Jun 06, 2007 12:09 pm)

I'm having the same rpoblem with 26k miles, the inside treads are non-existent and I can see the chords. Getting the same bullshit runaround from the dealer. I even took my car to my mechanic and had him check the alignment and give me a printout. Not only was the alignment within Mazda's spec's, but they are dead center of the tolerances. The dealer still said it was normal...BULLSHIT! Out of the 30 or so cars I have owned in my short lifetime I have never seen tires wear like this when the alignment is perfect or even a little out.
#111 of 176
Re: Real World Tire Performance [rharville] by vbbuilt
Oct 08, 2007 (9:59 am)
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Replying to: rharville (Oct 08, 2007 9:41 am)

In my research for new tires, I've discovered from talking to independent tire dealers, that the stock OEM tires are considered high performance and made of softer compounds. They will wear out sooner and at 26K miles, that sounds about right. Both the Goodyear and Bridgestone OEM tires fall in this category. That just the "nature" of the beast - something that most people don't realize when they buy the CX-7.
 
I've got 31K miles and they're pretty much shot but have enough tread left to last till mid-November, then I'll replace 'em with new rims and replace tires with 245/45-20 Avon Tech M550 A/S or Zeon Sport A/S or Kumho ECSTA ASX. Haven't quite decided which tire I'll go with.
 
Vince.
#112 of 176
unhappy-somewhat by afrocelt
Oct 16, 2007 (11:00 am)
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We've had a cx7 for just over a year now....the alignment got to be so bad (dealer mechanic was talking 15 degrees out)that we had to replace all 4 tires....luckily mazda paid for almost all of it. I've never heard of new tires at 18k miles.
 
gf drives it 80 miles a day in northern wisconsin, so we went with some pirelli A/T tires...winter can be brutal, especially with unplowed roads.
 
The dealer mechanic said that they've seen "a ton" of mazda cx-7s come in with alignment out.
#114 of 176
New Tires/Rims by vbbuilt
Oct 28, 2007 (10:28 am)
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Well gang, did it! Bought a set of Kumho ESTA ASX P245/45R20 tires mounted on a set of Zinik Z5 Ikeda 20x7.5 rims. Mounted and filled with nitrogen, out the door, cost me $2300.
 
Vince.
 




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