Why did my ABS light come on after changing wheel bearing?

Why did my ABS light come on after changing wheel bearing?

Rust buildup under the sensor can move it, causing a wider than normal air gap between the sensor and the toothed tone ring. Or, it determines that the weak signal indicates a bad sensor, so it lights up the ABS light. You can try removing the sensor from the old wheel bearing hub and cleaning off the rust.

Can wheel Hub cause ABS light?

On many modern cars, a bad wheel bearing will trigger a warning light. The ABS or traction control warnings will often illuminate, since a bad bearing will trip the system to deactivate.

Can bad ball joints cause ABS light to come on?

And no, it will not make your ABS light come on. Low battery will though. You may have to have it cleared.

What causes an ABS light to come on after a hub replacement?

In many cases, replacing one hub bearing will cause the driver to feel ABS false activation when coming to a slow stop on dry pavement. Vehicle had wheel bearing hub replaced on one side.

When does the ABS brake light come on?

If any of the teeth are damaged or missing, the ABS brake light will come on, warning the driver of a problem. The new style ABS systems use a magnetic encoder built into the wheel bearing, and if the wheel bearing is installed backward with the encoder facing out, it won’t take long before your ABS light is on and your stress level goes up.

Where does the ABS sensor go on a new hub?

I removed the ABS plug from the old hub before removing the old hub, then after the old hub was removed, i removed the ABS sensor from the hub and put it on the new hub – the new hub didn’t have the sensor built in, just the area to plug it into. The shop manual and everything I found online didn’t mention anything about the encoder location.

What should you do if your abs light is on?

Just because your ABS light is on, that doesn’t mean you can’t drive your vehicle. In fact, you will still be able to step on the brake pedal and slow the vehicle down. However, you cannot perform any kind of emergency stop by slamming the brake pedal quickly.