Rear ABS sensor

[Hazmanscoop]

Just had my car up and had a clean up of the rear ABS sensor.

Just used a toothbrush and some WD40.

Took the bolt out to try and remove it to see if i could give it a better clean but the thing wouldnt come out?

Any ideas

[Gabbastard]

Good old bi-metallic corrosion.

99% of the time youll need brute force to remove them, which ends up fucking them. So if yours is working, cool beans, leave it as is. If its not working and the sensor face is pretty clean, chances are it's open circuited and youll need a new one.

Disconnect the sensor wiring and test its impedance with a multimeter; if its in the order of 1kΩ then it should be working ok.

[Hazmanscoop]

So I need to buy a multimeter :/ god... There's always something to do haha