rolandmond6
Santro suspension air bag valve failure
Summary of the thread
A 2018 Hyundai Santro owner experienced issues with the vehicle leaning to one side, a bumpy ride, and an error message on the speedometer. These symptoms suggested a problem with the suspension system, likely due to a defective suspension air bag valve. The continuous operation of the compressor and error messages supported this diagnosis. A workshop visit confirmed the faulty valve, which was then repaired.
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4 comment(s)
rolandmond6 (community.author)
I haven't checked the air spring directly. Where exactly should I look for leaks, and how would I identify them? Would a faulty bellows valve cause the compressor to run continuously?
fabianschmid7
Yes, a faulty bellows valve would definitely cause the compressor to run non-stop attempting to maintain pressure. A visual inspection might reveal cracks or damage but sometimes it's internal. Considering the error messages and leaning, it's highly probable. I would recommend taking it to a workshop to confirm before replacing components.
rolandmond6 (community.author)
Thank you for the advice! I took it to the workshop, and you were right; the suspension air bag valve was defective. The repair cost me 590€. I appreciate your help in diagnosing the problem.
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HYUNDAI
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SANTRO
fabianschmid7
Those symptoms do point towards a suspension system issue, specifically with the air suspension. Have you checked the air spring and shock absorber for any visible damage or leaks? Is the compressor running continuously, trying to compensate for the leak?