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-   -   Tyre wear on UK Mazda5 (https://www.mazdaforum.com/forum/mazda5-43/tyre-wear-uk-mazda5-20951/)

virgin1 01-21-2009 02:41 PM

RE: Tyre wear on UK Mazda 5
 
WOW!! It"s good that Mazda seems to have finally solved this problem w/the "09"s! I wonder if they thenhave new alignment specs for the earlier models?

wrxseeker 01-23-2009 04:01 AM

RE: Tyre wear on UK Mazda 5
 
Yes its a shame because we like the car but dont want to be putting on front tyres every 10k max.

Its definately the inside edges as I had the front wheels off over xmas:

NSF definately worse but OSF not good for 7k miles



[IMG]local://upfiles/17397/29A6F26494844CE5916FF8F7B5D451D0.jpg[/IMG]

S1mplicity 01-24-2009 08:48 AM

RE: Tyre wear on UK Mazda 5
 
That wear is really weird it appears on the extreme edge, I have just checked my tyres again and there is no sign of that type of wear. In fact your's are wearing roughly on the line between normal wear and no wear on my tyres. You havn't got any loose body work in the arch? or anything rubbing the tyre?

Wish I could help, but it's not occuring on mine, so one assumes it must be fixable, whatever is causing it.

CO2000 02-21-2009 07:05 AM


Originally Posted by BCNorth (Post 82624)
I am blown away that the UK versions of the Mazda 5 still have this problem. I have never heard of it happening in Canada, and our 5 (now with 15,000 kms) has not had this problem. If they can fix it for Canadians, why the heck can't they fix it for you guys?

(Maybe you just drive too hard over there :D)

Do you have the 17" Alloys in Canada ?

jenglish 02-28-2009 01:14 PM

My 2007 furano (UK) has had the wheels aligned 3 times. The first set of tyres lasted 10,000 miles and wore out the inner edges. Rear shock blown after 12000 miles. Noticed today that the rear tyres have worn to 1mm on the inner edge with the rest at about 8mm. The other rear shock has blown as well. All at 22,000 miles.

mazda-5 03-03-2009 11:40 AM

Bought the dame thing back in nov 08 (06 reg) and it has developed 6 different problems so far, all repaired under warranty, decided to get an extended 3 year warranty now.

What happened to the japanese reliability?:confused:

Monkey Boy 03-05-2009 05:15 AM


Originally Posted by mazda-5 (Post 87972)
Bought the dame thing back in nov 08 (06 reg) and it has developed 6 different problems so far, all repaired under warranty, decided to get an extended 3 year warranty now.

What happened to the japanese reliability?:confused:

I bought a 56 reg Mazda 5 Sport 2.0 in October 07, what issues did you have? I've only anecdotal evidence but tyre wear has been a problem.

Also, been reading through this thread with some interest. What are the general issues and what could I get Mazda to fix under warranty?

mazda-5 03-06-2009 05:54 AM

I would ask them to look at the power steering noise when turning on the reverse, on my car it made a loud trumpet sound (not on all occasions), pedestrians would stop turn and look at the car!. Told by Mazda that it was a know problem & the part (pipes of some sort)would be orders to rectify the problem.

Noise from back suspension. As we live near a school and speed pumps are on every road, was told that two links on the back suspension have worn (saw them, approximately 25 cm long and connect the body to the suspension) and were touching something or another, they got replaced

On 2 different occasions all car window went down to the half open position by them self, of course first time it happened my wife through the little one played around with them but then it happened a second time & whats worrying it happened when we locked the car and left it to shop.

Not sure if related to the problem above, but the driver side Auto UP/DOWN stopped working and the motor had to be changed

The back clip that hold the third row seat belts in place broke.I know this problem might sound silly but its really frustrating as if this part breaks then the back luggage cover does not close properly.

Car horn had to be replaced.

The car would not stop swaying to the left on motorways, X 3 wheel alignments @ £50 each & 1 tyre change now I think the car is normal.

The gear lever spring mechanism failed, you know when you select reverse, you need to press the gear lever down and push left, well the gear lever stopped going back up, so I had to forcefully pull it back up to get in to first every time.


And to garnish the open wound with some salt, the wife had an unfortunate shunt in the replacement car when our car was in for one of its many trips to the dealer.




Mazda sandicliffe sold me the car and have been very untrustworthy & Mazda MKG 3000 have been trying to solve all the car problems with great care.


Took the car to Sandicliffe for the servicing that they said they did but didn't, to have it done for real this time, they changed my front 2 tyres without first consulting me, but nothing in my head clicked till I drove off.


I drive a Mazda 5 sport D & the car covered 15K

Dads_Taxi 03-06-2009 12:56 PM

I'll Second That
 
I will agree with most of the above. See my post in this thread where I've answered a similar question:

https://www.mazdaforum.com/forum/mazda5-43/new-potential-mazda-5-owner-has-questions-17737/

The previous contributer described the gear linkage problem much better than I did! What I described as "wonky" was exactly as described above.

Regarding "the driver side Auto UP/DOWN stopped working and the motor had to be changed", this function stops working regularly on mine - maybe every 6 months. It's soon fixed by going through the calibration set-up as detailed in the manual, it is a computer glitch (in my case).

Also, did the suspension mod work?

I suppose we'd better mention TYRE WEAR again, as this is the tyre wear thread!

Dave.

mazda-5 03-07-2009 07:09 AM

Even with all the problems it got, it really is an enjoyable car to drive. Will that counter balance the headache it put me through, well, I bought a 3 year warranty haven't I, in it for the long haul.:)

The back suspension is much quieter now.

GSX600FMAN 03-07-2009 11:41 AM

My turn to take 08 for tyre wear issue
 
2 Attachment(s)
We got our new Mazda 5 in July 2008 (08) it was the 2litre petrol Sport. Now at 14500 miles the inner edge on all tyres is 'smooth'. Though the normal thread area is very good with the worse thread depth at 4.2mm, and that was to the wear indicator bars on all tyres not the total thread depth which would therefore be in the order of 5.7mm. I'll try to add a picture.
I have conposed a short e-mail to send to my dealer (4 miles away). I plan to call MMUK some time next week to log the official complaint. Then see how it pans out with the garage. I expect 4 tyre replacements. Even though a 12000 mile service since Xmas and no comment about excessive wear on inner tyre edges. This & more I will go into depending on garages 'response' to e-mail.
The car is fast, nippy and great but has it's small annoyances like the driver not able to control all windows when the 'lock' button is pressed to stop children playing with them, it stops me working them too (not like on my old Saab).

UPDATE
After thinking about the Mazda 5 and the tyre wear problem, due in my humble opinion to be Mazda'a fault, and having a few days to think about mine and your similar condition I have come to the conclusion that the Camber is too negative ( -0°42' +/- 1°). At a quess it should be 0° or positive. Quote, ...'Too much negative camber will result in premature wear on the inside of the tire and cause excessive wear on the suspension parts...'. see picture (if I can attach). For example on a motorbike the camber would be 0° because the weight bears down directly through centre of wheels. Whereas cars have their weight divided through 2 wheels on either side of the car with the complication of steering geometics and suspension. Think about it. This will explain why that in the slightly damp or wet weather it handles terrible as the front steps out (or spins) when accelerating or pulling off reasonably swiftly, because the load of the vehicle is on a much reduce contact patch with little tread. For you mechanically minded (engineers etc) drivers here, would you think my conclusion is fair comment or was I mislead many years ago in physics with material forces and ceofficent of friction etc? See also the picture and text from workshop manuals we've all had in the past in the tyre wear section, like Haynes and Autodata etc..

GSX600FMAN 03-08-2009 10:20 AM

2 Attachment(s)
It's bizarre that in these mazda 5 cases that the legal limit is well within limits, as in having a total depth of well over 5mm yet the very edge of the tyre that looks like it shouldn't even touch the road (in normal use) can be so worn that in a short period of time I beleive I will see wire braid. See my pictures of this July 2008 petrol sport. You have to look carefully at the edge when you are inspecting, don't just look at the main obvious road tread. These tyres have covered 14500miles. Now I beleive that they are potentially dangerous despite the '... plenty of thread there sir!...' I got from kwikfit a month ago. I expect a vist to Mazda and a courtesy car while they 'inspect'. I rotated fronts to rear about the 10000 mile time. Just prior to the 12000m service. The fronts are now looking like the original front tyres now.
If these tyres are not monitored specifically at this location on the tyres there would, surely, end up with a lesser experienced/competent owner having an 'incident' where the tyre carcass will seperate from the wheel, for definite.

wrxseeker 03-09-2009 04:29 AM

Your's are worse than ours !! Thought I was the only 08 model with the issue.

We only have 7500 on the clock though. Since the dealer adjusted the settings at 6500 miles I have been keeping an eye on the fronts to see if there is any improvement but its a bit hard to say yet. As soon as I see any blistering like on yours I will be straight around the dealer - I am not putting my family at risk and I will make sure they know it.

I have resisted swapping front to rears just so I can see how quick the fronts actually wear out.

Keep us posted how you get on with the dealer.

PS Where abouts in the midlands are you ?? Not Coventry by any chance ??

Judge 03-10-2009 05:47 AM

Mazda tyre eating problrms
 
I have read all the threads regarding the problems regarding the tyre eating issue, and have seen a number of replies relating to the tracking been reset. I have also down loaded the manual from the web site with the "haynes" guide for Mazda. I have yet to find the actual toe in and toe out settings. Can anybody help?

I have in the last six months purchased a secondhand Mazda 2.0 ltr Sport Nav and overall i am pleased with it. Some issues with the comestic damage that i am sorting out but i like the way it drives. I have posted threads regarding the TMC function on the sat nav, which until now i did not think was a problem.

What concerns me is the tyre issue, as when i purchased the vehicle i have three dunlops on the vehicle and a linglong tyre. I have another fitted and have the linglong as a spare. I however had the fronts dunlops put onto the rear as i saw that both outer edges were wearing down. Although legal at the time of sale i thought this was a traking issue and i would get it sorted in the near future. Plus having a new tyre on the offside and a semi new tyre on the nearsside i thought i would monitor them. I am begining to see scrubbing on the outer edge so suspect that these will now doubt be going the same way as the previous tyres.

Before i try and get the tracking done i though i would ask what is the tracking settings, as i am a quailified engineer and my experience with these fast fit garages in the past have raised my concerns. Some are very good, others have some right muppets working there. So before i go i want to get the correct ammend settings before i end up with a muppet who buggers it up.

Also i have seen many threads about the best tyres to put on the 17" wheels the lastest being Bridgstones..Any more ideas as i suspect that the rears will need changing as was down to 4mm when last checked.

Thanks quys and i look forward to your threads....

GSX600FMAN 03-10-2009 07:00 AM

Geometry settings?
 
I sent my e-mail with pictures of all 4 tyres (similar to above) to my Mazda Garage ( East Northamptonshire - but not Coventry). I got a phone call at 0905 on Monday arranging a session at the garage next Monday when they are going to take photographs and measurements with their equipment and send results to Mazda (head office I assume) where they scrutinize the data (tyre depth, wear & mileage, I assume) and apply a proportion for me to pay for replacement tyres. I asked at Mazda UK do they have some protocol they can send me as to what they are doing. 'No!'. I'll let you know after next week as we have to wait 7 to 10 working days for reply.
Below are geometry setting values I aquired out of a manual (electronically copy and pasted). Suppied as I got so take it under advisement:-These are UK values .
Update:- after looking at the properties of the document it was 'modified' 14 March 2005 so may not be valid for our 2008 (and now 09) Sport models.
Mazda 5 geometry settings

Total toe-in (Front & Rear)
2 +/- 4mm {L8,LF & MZR-CD}

Front
Maximum Steering Angle {L8,LF & MZR-CD}
Inner 40°05' +/- 3 °
Outer 33°07' +/- 3°

Castor {L8,LF}
3°14' +/- 1°
Camber {L8,LF}
-0°42' +/- 1°
SAI {L8,LF}
13°59'

Castor {MZR-CD}
3°12' +/- 1°
Camber {MZR-CD}
-0°44' +/- 1°
SAI
14°04'

Rear
Camber {L8,LF & MZR-CD}
-1°29' +/- 1°
Thrust angle {L8,LF & MZR-CD}
0° +/- 48'

{MZR-CD - Diesel Engine}
{L8,LF - 1800 & 2000 petrol engine}


I'm temped to go and get some laser tracking done & get a print out, from a tyre 'specialist' type garage. To compare. I am interested in the Camber value

wrxseeker 03-15-2009 10:14 AM

I take back what I said previously, at 7,800 miles one of our front tyres is blistering down to the second layer of rubber on the inside edge !

I will be speaking to the dealer tomorrow and will let you know how i get on.

GSX600FMAN 03-16-2009 05:23 PM

Is it your Near-side (N/S) or Off-side (O/F) front tyre that has 'shown' first? Assuming you live in the UK driving on the left with a RHD car.
My Mazda garage took photos today of all tyres and filled in 2 pieces of paper with photographs of the Dunlop tyres with markers indicating the 4 main grooves around the tyre were they had to enter all the depth values per wheels. Mine were all 5 & 6mm. Though when I got home I measured again with digital caliper & got values from 5.3 to 6.6mm. The other piece of paper had what to look for on the edge. I asked for a copy but it was declined. I didn't read what either said. They said they'd send them off and call me in a few days. Covered 15100 miles, no 'feathering' or outer tyre scrubbing. As the tyres should be except for the inner wall/edge wear generated by the front.

wrxseeker 03-17-2009 03:50 AM

NSF worse although there is not much in it.

Mazda are currently saying that as our car was built after a certain date and vin number that it is not one of the ones affected and therefore they won't do anything !!

Obviously I am not happy about this and I am trying to take it further - waiting for a call back from MMUK customer service today but definately not holding my breath.

7800 miles and I need 2 new front tyres at around £140 each. My wife intends to write to watchdog, trading standards etc if this is not resolved.

Keep us posted how you get on & I will do likewise.

GSX600FMAN 03-17-2009 04:41 AM

1 Attachment(s)
That's utter bull. That only really means they never actually cured that problem or it wasn't what they thought or claimed it was. If the symptoms are the same as the previous, they should cure or help in a solution. If they say it was cured have them get Mazda UK to explain why the inner edge is wearing so excessively. I wont accept any bull about under inflation, over inflation, toe in or toe out without them showing their supporting evidence. For example if it was under inflation, then the under inflated tyre would wear on both edges and even then on the outside edge the most as the car would tend to roll that way. It's not a toe issue as it would show as 'feathering'.
It it however, I beleive, a geometry probem. Them lobbing on 17" wheels on a car designed for 15". I know that the brake discs are larger than on the 15" cars. Now, unless this car has camber adjustment (which I doubt) they should have fitted a different 'sized' MacPherson strut. I strongly beleive that there is too much negative Camber (-0.49° +/-1° for the petrol versions) on the front of course. We need to get hold of a workshop parts ordering manual/cd to identify the components installed on different models ...... Hopefully enclosed is a drawing of the Mazda 5 front suspention. The part I was refering to is encompassed by items labelled 1 (spring), 2 (damper) & 3 (lower arm), making what is know as a 'MacPherson strut'. Either the damper length or the lower arm length, or both, needs to be different compared to a 15" wheeled cars. I may be wrong ....if so accept my apologies but feel free to add your comments or opinions too.

wrxseeker 03-17-2009 08:36 AM

Hi MMUK rang back this morning and have now "escalated" the complaint and will be back in touch within 7-10 working days. They are going to liase with the dealer.

I think that the -ve camber is an issue that I believe is made worse on the 17" rims as I think they are wider and have a different offset to the 15/16". (would need to check this)

The combination of the change in offset and the -ve camber that the vehicle probably has as std makes the wear more evident on the 17" rims.

However I also believe that the dunlop 2050's are not up to the job and hopefully a change in brand will at least improve matters.

Heres a pic - if you zoom in you can see the blistering:

http://i7.photobucket.com/albums/y29...5032009165.jpg

GSX600FMAN 03-18-2009 03:49 PM

The Mazda garage called me yesterday to announce that MMUK have rejected the claim. That was it? As I was in the car (excellect hands free, but parked up in hospital waiting for wife) I wasn't going to argue the toss over the phone. I will be very busy this week ( guests arriving and stopping here a while) and will draft an appropriate letter & copied to the relevant interested parties over the week end asking for a written statement for the rejection. I have no record of anything yet. I will need evidence so I can contest it.

jenglish 03-24-2009 03:41 PM

New shock fitted today and 2 new tyres. Mazda UK only replace the first set, after that it's down to the dealer to contribute(which they have). The tracking was checked and found to be spot-on. They adjusted the rear tracking towards the limit of the tolerances to try and reduce the wear. I assume they set it more "toe in" to stop the inner edge scrubbing. I can't fault the dealer (Wrights Mazda, Norwich) but they are being let down by Mazda UK who can't provide the remedy.

GSX600FMAN 03-24-2009 04:00 PM

My 2007 furano (UK) has had the wheels aligned 3 times. The first set of tyres lasted 10,000 miles and wore out the inner edges. Rear shock blown after 12000 miles. Noticed today that the rear tyres have worn to 1mm on the inner edge with the rest at about 8mm. The other rear shock has blown as well. All at 22,000 miles.

New shock fitted today and 2 new tyres. Mazda UK only replace the first set, after that it's down to the dealer to contribute(which they have). The tracking was checked and found to be spot-on. They adjusted the rear tracking towards the limit of the tolerances to try and reduce the wear. I assume they set it more "toe in" to stop the inner edge scrubbing. I can't fault the dealer (Wrights Mazda, Norwich) but they are being let down by Mazda UK who can't provide the remedy.

Original tyres were Dunlop, replacements were Bridgestone with no improvement in wear.

Hi, Sorry to hear of your problems

Was it the front or rears that were replaced at 10000 miles or both ??

and which are worn now ??

Do you know which type of bridgestones were fitted by any chance ??

At 10,000 miles all 4 tyres were replaced with Bridgestones. At 22,000 miles (yesterday) the rears were replaced (plus OSR shock)with BRIDGESTONE POTENZA RE 040 205/50/P17. The fronts were worn on both edges but not severely, these are now on the rear with the new tyres on the front. The dealer wants me to return in a few months so they can check the tyres again.


Mazda 5 Furano 2ltr petrol

Thanks - At the moment at 8k miles our back ones seem ok - so fingers crossed Mazda have cured the problem on the rear.

The front ones are completely shot though.

I have no problem at all with the rear wheel alignment. The only reason the rear tyres need replacing is because they were originally on the front and 'rotated' them at about 10000miles. The original rears, now on the front, are now 'stuffed' from a safety/wear point of view but not in the eyes of the law in how tread depth is measured because all depth is well in excess of 5.5mm.
I sent a word document with some of the pictures you've already seen here, to the Mazda garage and copied to my MP, watchdog, Rospa, Dunlop, DOT and some other 'interested parties/organisations'. As MMUK would not willingly get me an e-mail address to send to, it has only delayed their starting of some action as I printed it off in full colour on quality paper and sent by registered post. I asked them if they have heard of corporate manslaughter too? Dunlop and others have replied already. Dunlop would be happy to inspect the tyres If I can get it to them via appropriate method described by them. Another respondant spoke several times to Mazda on Friday and they have kept me up to date. Mazda are now forced to start because of a particularly important organision, so I am not sure how I stand if I wish to make it an 'open' letter for you to see how it was worded. It was basically the compilation of my thoughts and conclusion as to the problem with having 17" on vehicle designed for 15". See my previous posts. PS I am now in Leicester Hospital very poorly and my not be up to updating next week. If Mazda phone me direct I must insist that they put in writting what they want to say.

wrxseeker 03-30-2009 04:21 AM

Hope your feeling better soon. Keep us posted on what happens when you are up and about and I will do likewise when I know something useful.

You could always private message me a copy of your letter if you think it may be of use.

Judge 03-30-2009 02:38 PM

Tyres
 
I spoke to MMUK last week about this issue and they informed me that there is no tyre issue. I explained that i had been on the Mazda forum web site and there appears to be numerous threads from people highlighting the same fault. I was advised that i would need to speak to my local dealer. When questioned about what vehicles may have had the recall, in relation to where the vehicle was made i was informed that a letter had been sent to dealers advising the, to check the tracking...

I spoke to my local dealer who again did not know of the tyre problems and i again informed him of the above threads and he informed me that he would get bak to me. Later the same day i was contacted and informed that my tracking was reset on my car at 22,000 miles. They also let on that they had visited the website, so i suppose check on the threads. I infomed them that i work in law enforcement and i have serious concerns that if the tyre wear is so extreme as to wear the inner edge the tyre down to the cords and the remainder of the tyre appears ok then this is a serious saftey fault.

In my words unless you checked you tyres monthly then there is a risk that you may somebody driving on tyres that have worn down exposed the cords and a blow out occurs. if srous or fatal injuries result then Mazda would be to blame.

I was advised that my tracking had been corrected and all Mazda 5 that the dealer had the tracking down all have not reported any problems... Strange... Not according to the threads. I will have the tracking sorted myself as it is outside of the Mazda warranty and have asked the dealer for the correct settings.. i will update you soon....

jenglish 04-02-2009 10:05 AM

You will probably find that your tracking is "correct" according to the Mazda spec, but the tyres will still wear abnormally. What the dealers need from Mazda is a new setting or new suspension components to correct the geometry.

wrxseeker 04-02-2009 10:28 AM


Originally Posted by GSX600FMAN (Post 89483)
I have no problem at all with the rear wheel alignment. The only reason the rear tyres need replacing is because they were originally on the front and 'rotated' them at about 10000miles. The original rears, now on the front, are now 'stuffed' from a safety/wear point of view but not in the eyes of the law in how tread depth is measured because all depth is well in excess of 5.5mm.
I sent a word document with some of the pictures you've already seen here, to the Mazda garage and copied to my MP, watchdog, Rospa, Dunlop, DOT and some other 'interested parties/organisations'. As MMUK would not willingly get me an e-mail address to send to, it has only delayed their starting of some action as I printed it off in full colour on quality paper and sent by registered post. I asked them if they have heard of corporate manslaughter too? Dunlop and others have replied already. Dunlop would be happy to inspect the tyres If I can get it to them via appropriate method described by them. Another respondant spoke several times to Mazda on Friday and they have kept me up to date. Mazda are now forced to start because of a particularly important organision, so I am not sure how I stand if I wish to make it an 'open' letter for you to see how it was worded. It was basically the compilation of my thoughts and conclusion as to the problem with having 17" on vehicle designed for 15". See my previous posts. PS I am now in Leicester Hospital very poorly and my not be up to updating next week. If Mazda phone me direct I must insist that they put in writting what they want to say.

Hi Hope your on the mend - can you let me have the details of the other respondant that has spoken to mazda uk please.

Either on here or by PM.

NICKC & Simplicity - how are your tyres wearing now ???

NickC 04-03-2009 02:24 AM

No problems. I keep an eye on them and there's no sign of uneven wear. I'll get the depth gauge out and compare them to the last measurements.

It's going in for the 1st service on Monday and just has 12500 miles on the clock.

The MIL light came on last week. I put my diagnostics on and the stored code was for low turbo boost pressure, switched off the light but it came on the following day. Did a few tests and basic checks ie checked boost pressure, checked MAP sensor and checked for leaks, nothing obvious so turned off the light again. It's now stayed off!!
The only problem we have, which we've had for a few months, is a slight hesitation/misfire when just feathering the throttle or if the engines overloaded. Could be linked, gut instinct....map sensor???

I'll let them look at it on Monday, I don't want to mess around with it while it's under warranty, hopefully the MIL will come on again.

BCNorth 04-03-2009 10:12 PM

Help With Tire Rotation
 
I am going to be taking my Snow tires off my '5 tomorrow and need to know which locations to put my all seasons back on.

The all seasons have about 15,000 km's (~9,000 miles +/-) on them. They are marked (FL, FR, etc). Shoudl I put them on the same spot, or should I rotate them, and if so, which tire should go there.

I am guessing clockwise:

FR -> RR
RR -> RL
RL -> FL
FL -> FR

Is this what I should do?

BCNorth 04-04-2009 08:59 AM

Found what I was looking for here:

http://www.tirerack.com/tires/tirete....jsp?techid=43

NightSwimmer 04-04-2009 02:01 PM

I have heard that radial tires should never be rotated to opposite sides -- only from front to back. Tread separation can occur otherwise. This advice doesn't appear to be universal. This article claims that rule only applied to bias ply tires: http://corvetteidaho.com/tire_wheel/tire_myths.htm

BCNorth 04-05-2009 08:53 AM

I think that may only apply to directional tires, and these ones are non-directional... cant see how it woudl make a difference in this case as these tires look 100% identical when off the car... I could be wrong though?

S1mplicity 04-07-2009 10:00 AM

Tyre wear is fine at just short of 19,000 miles, rears are like new I expect to get 60,000+ out of them, should get 30-40K out of the fronts.

Tyre wear is slightly higher on the inner edge, but nothing I am worried about (still has tread across the whole width), strange but I checked my wifes car @ the weekend a toyota 7 seater and guess what heavy tyre wear on the inner edges of both front tyres (no tread left on inner edge rest of tyre looks fine).

I did check the tyre pressure when I noticed the slight difference in tyre wear and found the tyres to be under-inflated 30psi, put them all back up to 34psi.

wrxseeker 04-08-2009 03:25 AM

Bump for this thread because I really believe it should be on the 1st page for all to see.

Weltklasse 04-08-2009 07:46 AM

I have read through all of this thread. However I would still welcome peoples thoughts.
I am shortly due to be a proud dad for the 4th time and therefore need a bigger vehicle to cope wityh my growing family. I have narrowed down my current preferences to either a Mazda 5 or Mitsibishi grandis.

Thanks to this forum I am aware of the tyre wear issue and whilst the sport was my original choice I now think its not an oprtion to go for as I will be buying second hand and as far as I can see there is no way of knowing for sure if you are going to get a tyre eater or not.

Would I be correct in thinking that a TS2 will give me the practicality without the tyre eating headaches experienced by so many?

On a related point is the diesel DPF issue a common one. To be honest the main use of the car will be ferrying the kids to and from school ( a round trip of about 5 miles).

Any advice much appreciated.

The other main plus for the mazda opposed to the mitsibishi would be the sliding doors.

S1mplicity 04-08-2009 10:19 AM

It does appear to be the case that the TS and TS2 don't suffer from the tyre issue, they have different tyres and wheels and the issue just doesn't occur.

S1mplicity 04-08-2009 10:25 AM


Originally Posted by GSX600FMAN (Post 88202)
We got our new Mazda 5 in July 2008 (08) it was the 2litre petrol Sport. Now at 14500 miles the inner edge on all tyres is 'smooth'. Though the normal thread area is very good with the worse thread depth at 4.2mm, and that was to the wear indicator bars on all tyres not the total thread depth which would therefore be in the order of 5.7mm. I'll try to add a picture.
I have conposed a short e-mail to send to my dealer (4 miles away). I plan to call MMUK some time next week to log the official complaint. Then see how it pans out with the garage. I expect 4 tyre replacements. Even though a 12000 mile service since Xmas and no comment about excessive wear on inner tyre edges. This & more I will go into depending on garages 'response' to e-mail.
The car is fast, nippy and great but has it's small annoyances like the driver not able to control all windows when the 'lock' button is pressed to stop children playing with them, it stops me working them too (not like on my old Saab).

UPDATE
After thinking about the Mazda 5 and the tyre wear problem, due in my humble opinion to be Mazda'a fault, and having a few days to think about mine and your similar condition I have come to the conclusion that the Camber is too negative ( -0°42' +/- 1°). At a quess it should be 0° or positive. Quote, ...'Too much negative camber will result in premature wear on the inside of the tire and cause excessive wear on the suspension parts...'. see picture (if I can attach). For example on a motorbike the camber would be 0° because the weight bears down directly through centre of wheels. Whereas cars have their weight divided through 2 wheels on either side of the car with the complication of steering geometics and suspension. Think about it. This will explain why that in the slightly damp or wet weather it handles terrible as the front steps out (or spins) when accelerating or pulling off reasonably swiftly, because the load of the vehicle is on a much reduce contact patch with little tread. For you mechanically minded (engineers etc) drivers here, would you think my conclusion is fair comment or was I mislead many years ago in physics with material forces and ceofficent of friction etc? See also the picture and text from workshop manuals we've all had in the past in the tyre wear section, like Haynes and Autodata etc..

Your exactly right my wife's Toyota had tyre wear like yours took it to my local independant tyre dealer who altered the camber to compensate for the tyre wear seen. It's what you do with any car take it to a good tyre dealer and get them to do it not Mazda as they will set it to the standard settings, which seem to be slightly out on the tolerances and settings if you lucky like me the setting is at the right and of the tolerance setting for you it is at the wrong end.

wrxseeker 04-09-2009 02:56 AM

Unfortunately, as far as I am aware, the camber is not adjustable on the Mazda 5 - front or rear.

S1mplicity 04-09-2009 04:40 AM

Surely though the toe in/toe out can be altered some seem to run with excessive toe out.

wrxseeker 04-09-2009 08:29 AM

Yes a reasonable amount of -ve camber (say -1.5 degrees) is ok with zero toe or a slight toe in. - I think but i am no expert.


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