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i30 Tire Pressure ABS and Steering Issues

Hi, I have a 2015 Hyundai i30 diesel with only 26806 km on the clock. Recently, the tire pressure low warning light came on. I've checked the pressures with a tire gauge, and they seem fine. However, the ABS lamp also lights up, the steering wheel vibrates/shakes, and it feels like I need to put more effort into steering. Could a defective tire valve cause all these symptoms?

The initial problem involved a 2015 Hyundai i30 with a tire pressure warning light, ABS light, and steering issues, including vibration and increased steering effort. A defective tire valve was considered as a potential cause, but it was unlikely to cause all these symptoms. The combination of issues suggested a more serious problem, possibly involving wheel speed sensors or the power steering system. The solution involved replacing the defective tire valve and addressing the tire pressure sensors, resolving the issues.

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4 comment(s)

Those are quite a few issues at once! A faulty tire valve causing all those symptoms seems unlikely, to be honest. Are you sure the tires are inflated correctly, and is there any visible damage, like a nail or puncture? A slow leak could explain the pressure loss and some vibration, but the ABS and power steering issues suggest something more serious.

Thanks for the quick reply. I double-checked the tires, and I can't find any punctures. The pressure seems okay after I inflated tires, but the warning light is still on. If it is a tire valve, could the pressure loss be so gradual that it triggers all those other warnings over time?

While a very slow leak might contribute, the combination of symptoms points to a bigger problem than just a tire valve. The ABS and power steering failing, along with the vibration, suggests a potential issue with the wheel speed sensors or the power steering system itself. I'd strongly advise taking it to a trusted workshop for a proper diagnosis. Continuing to drive like that could be dangerous.

Thanks for the advice. I took it to the workshop, and you were right. The valve in tire was defective, but it also messed up the tire pressure sensors. It cost me 280€, but at least it's fixed!

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HYUNDAI

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I30