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mario_lange1

Seat Arona brake issue

I am writing to inquire about a potential issue with my Seat Arona 2019 with a diesel engine, which currently has 122925 km on the odometer. I have noticed a strange feedback from the brake pedal, and my research suggests it may be related to undervoltage within the vehicle. Could this be causing the brake rotors to wear out prematurely? I have also noticed squeaky brakes, which I suspect might be related to the disc brakes needing replacement. I would appreciate any insights into this matter.

Summary of the thread

A Seat Arona owner reported strange feedback from the brake pedal and suspected it might be due to undervoltage affecting the vehicle's electronics, potentially causing premature brake rotor wear. The issue was confirmed by a mechanic, who found that undervoltage had indeed led to brake system malfunction and premature wear of the brake components. The worn parts were replaced, resolving the brake pedal feedback issue.

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4 comment(s)

moritzhahn1

Strange brake pedal feedback, eh? Does the pedal feel spongy, or is it more of a vibration? Have you checked the brake fluid level recently? Low voltage causing brake issues sounds unusual, but modern cars are full of electronics. Are your squeaky brakes happening all the time, or only under certain conditions?

mario_lange1 (community.author)

Thank you for your quick response. The pedal feels more resistant than usual, requiring more force to achieve the same braking power. The brake fluid level is normal. I read online that low voltage can affect the ABS module, which in turn could impact the entire brake system. Could that be plausible?

moritzhahn1

Okay, resistant pedal and normal fluid level, plus squeaky brakes... sounds like you might be on the right track with the ABS module theory. Modern cars rely so heavily on electronic control, undervoltage could definitely mess with things. Best to get it checked at a workshop.

mario_lange1 (community.author)

Thank you for confirming my suspicions. I took it to a trusted mechanic and they found that undervoltage had indeed caused the brake system to malfunction, leading to premature wear of the brake rotors and brake shoes. They replaced the worn components, and the total repair cost was 240€. The strange feedback from the brake pedal is now gone.

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SEAT

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ARONA