Abs wheel speed sensor replacement

The anti-lock braking system , or ABS , in your vehicle helps to prevent wheel lock up though a sensor that is mounted at each wheel that monitors wheel speed. The wheel speed is detected from the toothed wheel by the magnetic sensors, and sent to the ABS computer for brake and release action. Random ABS codes and behavior can often be broken down to a faulty sensor. When replacing struts, these sensors are often easily to.

In cases where human senses are not fast enough, an electronic device is needed to quickly pulse the brakes multiple times within fractions of a second time. When an ABS wheel speed sensor fails, the ABS module loses road wheel speed for the corresponding wheel and sets a fault code for the ABS wheel speed signal. When a fault code is set, the ABS warning light will illuminate.

You will have to scan the module and read the fault codes to determine which speed sensor is the problem.

Labor costs are estimated between $and $while parts are priced between $1and $169. Step 3: Test each sensor to determine which one has failed. You can skip this step if the other methods were successful. Most wheel speed sensors have a coil of wire wrapped around a magnetic core.

Wheel speed sensor design. The sensor is paired with an ABS ring — a ring that has teeth — attached to the axle shaft or hub assembly. This signal is used to calculate road wheel speed to help with ABS braking and stability control features. Sensors are bolted to each wheel hub and are therefore susceptible to damage from impacts, road grime and brake dust. Follow the same exact steps as above with the following exceptions: You do not need to remove the fender liner to access the speed sensor electrical connector.

They are located in plain view behind the front wheel strut. Broken wires are probably the leading cause of wheel speed sensor related failures. Replace a Vehicle Speed Sensor.

The job of the anti-lock braking system ( ABS ) speed sensor is to monitor wheel rotation. ABS sensor line to get at them. We know our parts and products.

This problem is often linked to a faulty wheel speed sensor and causes the ABS and DSC systems to become non-operational. This will monitor the wheels rotation, telling the computer if the vehicle is skidding and to apply the anti-lock braking system if necessary. A stator ring is then used with the sensor which attaches to the brake rotor, CV joint, rear axle or bearing hub. This brand new sensor is an exact substitute to your factory stock unit.

DO NOT pull on the sensor cable to remove it, as this may permanently damage the sensor.

DO NOT use any device to pry the sensor from its mounting block, as this may damage the steel casing on the sensor and can void any existing war-ranty. After two weeks of twice daily shots of PB Blaster, I felt it was time to go ahead with the left front wheel speed sensor replacement. The plug is fine that goes to the connection, but the top half of the sensor snapped off. Over the last half-century, the same anti-lock brakes found on your Suzuki Sidekick are responsible for eliminating the potential to skid out of control.

Motorcraft is the way to restore the performance of your vehicle. Plus, it comes with all necessary installation hardware for a complete repair. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.

It simply connects one speed sensor to the ABS control module. Please keep in mind that one cable is required for each speed sensor. SMP) is a leading independent manufacturer, distributor and marketer of replacement parts for motor vehicles in the automotive aftermarket industry, with an increasing focus on the original equipment and original equipment service markets. Dorman Products is an unmatched leader in supplying automotive and heavy-duty replacement parts including hardware, brake parts, and fasteners to the automotive and heavy-vehicle aftermarkets. Vehicles have an exciter ring (or “tone ring”) as part of the wheel assembly, and as the wheel turns, the teeth of the exciter ring pass the wheel speed sensor , generating an AC signal.

It also sends signals to the on-board computer so the engine can use this information and make adjustments. My main question is, can you replace these sensors WITHOUT having to remove the brake caliper? My ABS light stayed on and the ABS feature did not work. Otherwise the brakes worked fine.

I found a spare wheel speed sensor for $at the local salvage yar so this was an easy AND CHEAP repair for me. Install the wheel speed sensor in the bearing hub and install the bolt. Ensure that the sensor is seated flat against the hub. Disconnect the front wheel speed sensor connector and place a digital volt meter (DVM) across the terminals of the wheel speed sensor connector. The ABS computer uses this information to prevent the brakes from locking during an emergency stop.

When the wheel speed sensor is broken or not. Voltage should be battery voltage. Refer to the appropriate ESM for. Where is my rear wheel speed sensor located?

If its autotrac it will be virtually the same thing with an additional speed sensor plug.

I took both wheel speed sensors out and cleaned them, one tests over 350mv the other is around 230mv can the one sensor maybe be bad should I try and replace it,before I go and spend the money on two new hubs. Vehicles: All ABS -equipped vehicles Condition: Vehicle had wheel bearing hub replaced on one side. Harness Standard Pin DIN Connector. Repair Procedure: If you diagnose a bad hub bearing on one side of a vehicle and the ABS wheel speed sensor or tone ring is integral to the bearing, you may need additional repairs to restore proper ABS functioning. If you have an ABS light on after wheel bearing replace you may have to also replace the other wheel bearing hub.

Car makers sometimes install the toothed tone ring inside the wheel bearing hub and mount the wheel speed sensor on the outside of the hub. So if your speed sensor or ABS brake system are on the fritz in your Dodge Dakota truck, watch this video and learn how to check and fix them. In this automotive repair video you will learn how to fix the ABS and speed sensor in a Dodge Dakota truck. Caution : Make sure braking capability is available before road testing.

With the scan tool, read ABS DTC.