Product Overview
The Mpulse Rear ABS Wheel Speed Sensor SEN-2ABS2403 is a high-precision component designed to provide accurate wheel speed data to your vehicle's Anti-lock Braking System (ABS). Manufactured with advanced technology and high-quality materials, this sensor ensures reliable performance and durability, even under demanding conditions. It is engineered to resist high temperatures and features a corrosion-free coating for extended lifespan.
Key Features:
- Unmatched Precision: Utilizes unique mPulse technology for accurate electronic signal conversion of physical changes.
- High Durability: Engineered with high-quality materials to withstand high temperatures and ensure long-term performance.
- Corrosion-Free: Features a specialized coating for enhanced resistance against corrosion, extending product life.
- Direct OE Replacement: Designed for a direct plug-in fit, ensuring proper function and easy installation.
- Extensive Compatibility: Part of Mpulse's wide range of sensors aimed at restoring vehicle performance to factory levels.
Compatibility:
This Mpulse Rear ABS Wheel Speed Sensor (SEN-2ABS2403) is specifically designed as a replacement part for the following vehicle models:
- 2009-2010 Chevrolet Silverado 2500 HD with Harness K20753/K20743/C20753/C20743 body code and 6.6L/6.0L 4-Wheel ABS
- 2009-2010 GMC Sierra 2500 HD with Harness K20753/K20743/C20753/C20743 body code and 6.6L/6.0L 4-Wheel ABS
Image: Official compatibility notice indicating specific Chevrolet Silverado and GMC Sierra models.
Included Components
Each package contains the following:
- 1x Mpulse Rear ABS Wheel Speed Sensor (Model: SEN-2ABS2403) with integrated harness.
Image: The Mpulse Rear ABS Wheel Speed Sensor, showing the sensor unit and its integrated wiring harness.
Setup and Installation
Installation of an ABS wheel speed sensor typically requires basic automotive tools and a moderate level of mechanical aptitude. If you are unsure about any step, it is recommended to consult a qualified mechanic.
Required Tools (Typical):
- Socket Wrench Set
- Torque Wrench
- Jack and Jack Stands
- Wheel Chocks
- Wire Brush (for cleaning mounting surface)
- Dielectric Grease (optional, for electrical connections)
Installation Steps:
- Safety First: Park the vehicle on a level surface, engage the parking brake, and place wheel chocks. Use a jack to lift the vehicle and secure it with jack stands. Remove the wheel corresponding to the sensor being replaced.
- Locate Old Sensor: Identify the existing ABS wheel speed sensor. For rear sensors, it is typically located near the wheel hub or axle.
- Disconnect Electrical Connector: Carefully disconnect the electrical connector from the old sensor. Avoid pulling on the wires.
- Remove Old Sensor: Unscrew any retaining bolts or clips holding the sensor in place. Gently pull the sensor out of its mounting bore. If it's stuck, a penetrating lubricant may help.
- Clean Mounting Surface: Thoroughly clean the sensor mounting bore and surrounding area to ensure proper seating of the new sensor. Remove any rust, dirt, or debris.
- Install New Sensor: Insert the new Mpulse ABS wheel speed sensor into the mounting bore. Ensure it seats fully and correctly. Secure it with the retaining bolts or clips, tightening to the manufacturer's specified torque (refer to your vehicle's service manual).
- Connect Electrical Connector: Reconnect the electrical connector to the new sensor. Ensure a secure and tight connection.
- Route Harness: Route the new sensor's harness along the same path as the original, securing it with any clips or ties to prevent chafing or damage.
- Reassemble: Reinstall the wheel and lower the vehicle.
- Test System: Start the vehicle and check for any ABS warning lights. Drive the vehicle briefly to allow the system to self-diagnose. If the light persists, refer to the troubleshooting section.
Operating Principles
The Mpulse Rear ABS Wheel Speed Sensor operates by detecting the rotational speed of the vehicle's wheel. It typically uses a magnetic field to sense the teeth on a tone ring (reluctor ring) located on the wheel hub or axle. As the tone ring rotates, it creates a series of pulses in the sensor, which are then converted into an electrical signal. This signal is sent to the vehicle's ABS control module, providing crucial data for the anti-lock braking system, traction control, and stability control systems. Accurate speed data from the sensor allows these systems to prevent wheel lock-up during braking or excessive wheel spin during acceleration, enhancing vehicle safety and control.
Maintenance
Mpulse ABS Wheel Speed Sensors are designed for long-term, maintenance-free operation. However, periodic inspection can help ensure optimal performance and identify potential issues before they become critical.
- Visual Inspection: During routine vehicle maintenance (e.g., tire rotations, brake inspections), visually inspect the sensor and its wiring harness for any signs of physical damage, fraying, or corrosion.
- Cleanliness: Ensure the sensor head and tone ring are free from excessive dirt, rust, or debris, which can interfere with accurate readings.
- Secure Connections: Verify that the electrical connector remains securely attached and free from moisture or corrosion.
- Avoid Harsh Chemicals: When cleaning the wheel area, avoid using harsh chemicals that could damage the sensor's plastic components or wiring insulation.
Troubleshooting
If you experience issues after installing the sensor or if an ABS warning light illuminates, consider the following common troubleshooting steps:
| Symptom | Possible Cause | Solution |
|---|---|---|
| ABS Warning Light On | Loose or corroded electrical connection. | Check and secure the sensor's electrical connector. Clean any corrosion. |
| ABS Warning Light On | Damaged wiring harness. | Inspect the entire harness for cuts, pinches, or fraying. Replace if damaged. |
| ABS Warning Light On / Incorrect Speed Readings | Dirty or damaged tone ring. | Inspect the tone ring for debris, rust, or damage. Clean or replace if necessary. |
| ABS Warning Light On / Incorrect Speed Readings | Improperly seated sensor. | Ensure the sensor is fully inserted into its bore and securely bolted. |
| Persistent ABS Light | Faulty sensor (rare, given new part). | If all other checks fail, test the sensor's output with a multimeter or oscilloscope. Consult a professional. |
| Persistent ABS Light | Fault in the ABS control module or other system components. | Scan the vehicle's onboard diagnostics (OBD-II) system for specific trouble codes. Professional diagnosis may be required. |
Note: Always consult your vehicle's specific service manual for detailed diagnostic procedures and torque specifications.
Specifications
| Attribute | Detail |
|---|---|
| Brand | Mpulse |
| Model Number | SEN-2ABS2403 |
| Manufacturer | Transit |
| Position | Rear |
| Material | Acrylonitrile Butadiene Styrene |
| Item Weight | 100 g (0.1 Kilograms) |
| Parcel Dimensions | 20.3 x 15.2 x 5.1 cm |
| Exterior Finish | Machined |
| Mounting Type | Flange Mount |
| Output Type | Analog or PWM |
| Measurement Accuracy | High |
| UPC | 775629057215 |
Warranty Information
The Mpulse Rear ABS Wheel Speed Sensor SEN-2ABS2403 is covered by a limited lifetime warranty against manufacturer defects. This warranty ensures that the product is free from defects in material and workmanship under normal use and service for the lifetime of the product. For specific terms, conditions, and claim procedures, please retain your proof of purchase and contact Mpulse customer support.
Support
For technical assistance, installation queries, or warranty claims, please contact Mpulse customer support. Refer to the packaging or the official Mpulse website for the most current contact information (phone numbers, email addresses, or online support portals).
When contacting support, please have the following information ready:
- Product Model Number: SEN-2ABS2403
- Date of Purchase
- Description of the issue
- Vehicle Year, Make, and Model