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Fitting 265/70/17 tyres- stability traction control issues

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  • Fitting 265/70/17 tyres- stability traction control issues

    Hello, I have just fitted a set of Hankook Dynapro ATM's in 265/70/17. Now I'm having trouble with the stability traction control activating whilst in moderate corners such as roundabouts and range roads. Has anybody encountered this before? Is there a way to fix this or even switch the dam thing off altogether?

  • #2
    changed tyres and now the cars behaviour is different. Have you had the alignment and balance rechecked?

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    • #3
      Join the club

      What suspension mods have you had.
      I had just replaced the Ironman for TJM HD all round and can't stop it going off. Front end is apart waiting for raised coil not HD as I don't have a bull bar and one isn't in the pipe line.
      My fault as this is what I ordered.
      Before Xmas did over 6000klm with the 265/70 tyres towing 2.500kg caravan so can't see the tyre increase being the problem .
      Poppy Joe
      Member
      Last edited by Poppy Joe; 09-04-2015, 06:11 PM.
      2016 ISUZU DMAX TWIN CAB.

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      • #4
        Flatspotting?

        If alignment and balance is good then perhaps it could be flatspotting of your tyres or tyres simply don't grip/little traction (bad hard rubber?). My guess - I am sure on the forum there is a tyre expert!!

        Flatspotting can occur tyre pressure is too low and/or after car was stationary for longer period of time.
        Last edited by Kapitan; 09-04-2015, 09:04 PM.

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        • #5
          Changing the ride height on mine and adding 265/70 made my stability more sensitive. Get the beep beep warning when i bump a roundabout or on some corners. When I used a 265/65 for a month it went away. I'd say it's to do with he changes to the dynamics of being higher.


          Sent from my iPhone using Tapatalk

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          • #6
            Originally posted by JoshF View Post
            changed tyres and now the cars behaviour is different. Have you had the alignment and balance rechecked?
            Yep, I had Fulcrum fit a 2" lift with king springs and Bilsteins. They also did the wheel alignment.

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            • #7
              The tyres where causing the issues from day dot. They are brand new and run smoother than the yoko geolanders 265/65/17 that I had on previously. Also the Yoko's would squeal on tight corners because they were just about worn out, where the hankook 265/70/17 dont. The Hankook's also feels gripier. Maybe because there newer and have more tread, they also feel softer. I run 42psi as well. Was thinking of going up to 45psi. what are your thoughts?

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              • #8
                HI Blueprado150
                Do you have it sorted yet ? I run my 265/70s at 36 psi and 40 psi with the van on, Your pressure seems very high unless you are loaded.
                What springs range do you have.
                I tried HD raised on the front without a bar and same probs.
                Just changed to raised on the front HD raised on the rear and problem solved.
                Hope this helps cost me a bob trial and error.
                2016 ISUZU DMAX TWIN CAB.

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                • #9
                  Originally posted by Poppy Joe View Post
                  HI Blueprado150
                  Do you have it sorted yet ? I run my 265/70s at 36 psi and 40 psi with the van on, Your pressure seems very high unless you are loaded.
                  What springs range do you have.
                  I tried HD raised on the front without a bar and same probs.
                  Just changed to raised on the front HD raised on the rear and problem solved.
                  Hope this helps cost me a bob trial and error.
                  The problem was there before I raised the suspension. I put 40psi because of the tyres tend to bulge in the sidewall and feel like there going to understeer in corners. I was doing the same pressure when I had the 65 profile geloander tyres which I got 65k out of them. I have medium duty king springs up front supporting a steel TJM bullbar. No winch or duel battery. The suspension set up was done by Fulcrums.
                  I'll be driving 350km back home today through our lovely manicured Far North Queensland roads. We'll see if things have settled down. Sweeping bends are a bit hairy because when the TSC activates it tends to kick the car straight and your reaction is to counter steer which is not cool on wet conditions or when someone is coming the other way.

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                  • #10
                    Originally posted by blueprado150 View Post
                    I run 42psi as well. Was thinking of going up to 45psi. what are your thoughts?
                    Try going to 36 cold and see how that goes.
                    [url=http://www.myswag.org/index.php?topic=12264]My Prado[/url]

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                    • #11
                      we have two Prado's a 150 GXL and my 120 VX. Both with 265/70/17 BFG A/T and i run a second set of 265/70/17 BFG M/T.
                      To date neither of us have had issues with the traction control. Even when running low pressures on road IE 25 psi.
                      If this started when you fitted new tyres it could be the new tyres are softer in the tread and 'walking' a bit.
                      Don't like the idea of turning the TRC off.

                      On road highway pressures 40 and gravel 25.

                      Rusty.
                      08 VX D4D, Lift, Safari Snorkle, Trailblazer Fridge, Custom Storeage System, BFG, ARB Safari Bar, Wife, Kids, Codan NGT HF Radio, Debt.
                      06 100 Series Sahara, Bilteins, Kings, Beaudesert 3", Diff drop, Unichip Q4, Safari Intercooler, EGR delete, 20ft Bushtracker, Codan Envoy more coming.
                      Sometimes i wake up Grumpy, most times i leave her sleep.

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                      • #12
                        Try Again

                        Originally posted by blueprado150 View Post
                        The problem was there before I raised the suspension. I put 40psi because of the tyres tend to bulge in the sidewall and feel like there going to understeer in corners. I was doing the same pressure when I had the 65 profile geloander tyres which I got 65k out of them. I have medium duty king springs up front supporting a steel TJM bullbar. No winch or duel battery. The suspension set up was done by Fulcrums.
                        I'll be driving 350km back home today through our lovely manicured Far North Queensland roads. We'll see if things have settled down. Sweeping bends are a bit hairy because when the TSC activates it tends to kick the car straight and your reaction is to counter steer which is not cool on wet conditions or when someone is coming the other way.
                        Well I thought I had it under control . Just in the process of relocating the dual battery from the front to the rear cargo area and the problem has re appeared.
                        I checked all of the wheel sensors and all appeared ok. Cant see a trip to toyo will bring much joy unless I get someone that has a clue .
                        I see in eu a while back there was a recall for vsc but toyo here don't know anything about it . STRANGE. Hope you can find a cure and let me know.
                        I usually run at 36psi and 40psi with the van on but no joy.
                        2016 ISUZU DMAX TWIN CAB.

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                        • #13
                          Well everyone, Its been over 3000km on the 70 profile tyres and no joy. Just when I think things have settled down, I go up the range and get bogged down by the TCS on corners that are just sweeping bends as well as the odd switchback. Coming down I don't even need to use the break peddle as the car does all the breaking for me. Stupid thing about it is, when the car does break traction like when I hook into a corner on a dirt road ( over-steer) or purposely under-steer into a corner then the TCS is reluctant to activate until a slide becomes really noticeable. Its only when I have full traction do I have problems on corners.
                          When I get to the next servo, which is 150km away, I'll lower the pressures to 36psi. See if that makes a difference. I might get a bit more flex in the sidewalls but if it fixes the problem, I'll have to live with it.

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                          • #14
                            Is it possible for you to borrow someones 265/65/17 to see if it still does it?
                            I know it started when you got new tyres put on, but maybe it is just a coincidence? Surely it has to be a sensor or suspension playing up. Every second guy on this forum runs 265/70/17 without issue.
                            Could an un balanced tyre cause stability control to come on? I guess you'd notice the vibration from a badly balanced tyre though. Could a bad wheel alignment cause it to go off? I dont know alot about this stuff, so I'm wildly guessing...but maybe if the wheel alignment was badly out enough it could make the stability control think a tyre was slipping. But then again if it was that bad you would probably have trouble keeping it on a straight bit of road. And I also guess if it was wheel alignment, putting on 265/65/17 would still reproduce the stability control issues.
                            If it was me I would get a wheel alignment, fairly cheap, could have been stuffed up when you got the new tyres.
                            I'd also look into borrowing someones 265/65/17 for a lap around the block just to confirm its your new tyres or weather something else happened to your car at a similar time to the tyres being changed.
                            Then I'd get the suspension place to re look at the suspension.
                            Then I guess the next stop might be toyota to check sensors

                            Comment


                            • #15
                              Interesting! Just did some more googling and found this on a Pajero forum about a hilux with your issues.

                              Sounds like between the suspension place and toyota they found a software solution.
                              I also found the last post interesting!
                              "If a wheel alignment was carried out, some vehicles need the steering angle sensor re calibrated (can wreak havoc if not done), also there is usually a calibration for the yaw sensor, which on a lifted vehicle will behave differently to a standard vehicle, good to hear its all resolved."

                              http://www2.pajeroclub.com.au/forum/...t=28202&page=2

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