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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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Changing the wheel sensorViews : 1146 Replies : 5Users Viewing This Thread : |
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May 8th, 2022, 15:51 | #1 |
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Changing the wheel sensor
Hi everyone - So a few days ago I bought a V50 (my first car), whose only visible issue was the ABS warning light. The diagnostic code is 0010, according to which there's a faulty signal coming from the front left wheel ABS sensor.
From watching a few YouTube videos, it seems like you'd just have to take the wheel off, remove a Torx screw on the other side of the brake disc, and pull the sensor out, right? And I imagine it'd make sense to first clean the connection, see if the fault is still there, and if it is then just replace it with a compatible sensor off eBay or something? I'm reasonably technically capable, but this is my first car and I've never even taken a wheel off a car before. Is replacing this ABS Sensor pretty straightforward for someone who's got as little experience fixing cars as I do? Or am I missing something obvious? |
May 8th, 2022, 19:38 | #2 |
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THe problem may be a damaged ABS ring and not the sensor.
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May 9th, 2022, 11:23 | #3 |
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I would agree that the abs ring is more likely, the part of the axle they fit on rusts, expands and makes them crack. Still a DIY job to replace and not expensive.
Get the wheel off and see if you can spot a break in the ring. If so you have confirmed the culprit! If however your initial thoughts are correct and the sensor is faulty then it's just* a case of unbolt and replace. *the old sensor will be rusted in place, I suggest copious penetrating oil, wire brush and patience 😉 *****Edit: thinking about it do these cars actually have an Abs ring? I have a feeling that the sensor is monitoring a built in part to the hub.******* Last edited by Wgl2020; May 9th, 2022 at 11:29. |
May 9th, 2022, 11:57 | #4 |
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This is correct, the ABS system on P1 cars uses hall sensors and a magnetic pulse wheel integrated into the inner wheel bearing seal. So doesn't suffer from corroded/broken ABS rings.
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May 16th, 2022, 11:08 | #5 |
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I think the code would be different for ring/wheel speed error. I have had one from misalignment due to a wheel bearing failure where the sensor was fine but there was low signal (in which case it thinks the wheel is turning slower than should) . This one points at the sensor being faulty ?
Looks like it's only £10 for a sensor anyway , but I did notice they are not wired but have a plug at the sensor end , have you been able to look at that ? Last edited by Conradv2; May 16th, 2022 at 11:10. |
May 16th, 2022, 13:05 | #6 |
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i replaced a rear one on my v70 the hardest part was threading the old one out and the new one in . easy to connect. one bolt in the hub wire plug on the other end.
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