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ACDelco GM Original Equipment ABS Wheel Speed Sensors are located at each wheel, monitoring the rotation of each wheel, and are GM-recommended replacements for your vehicle's original components. The sensor provides this speed information to the antilock brake control module for the antilock braking function. These sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
 Symptoms of a Failing Speed Sensor vs. ABS Wheel Speed Sensor Some vehicles may use the same part for both a Speed Sensor and an ABS Wheel Speed Sensor, while others may use two different parts. These parts serve different systems of the vehicle and may fail for different reasons - it is important to replace the proper sensor to fix the underlying issue.
SPEED SENSOR
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The Speed Sensor(s) measure rotational speed of the transmission shafts. Common failure symptoms include:
- Erratic Speedometer Behavior
- Harsh or Improper Shifting
- Loss of Cruise Control
- Surging or Hesitation
- Check Engine Light On
Located in 'Electrical' |
| ABS WHEEL SPEED SENSOR |
The Anti-Lock Brake System (ABS) sensor monitors wheel speed. Common failure symptoms include:
- ABS Light On
- Brake Pulsing
- No / Erratic Traction or Stability Control
- No / Erratic ABS Operation
- Braking Without Pedal Contact
Located in 'Brake & Wheel Hub' |
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