Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISBRAKESANTILOCK BRAKE SYSTEM WITH TRACTION CONTROL SYSTEM & STABILITY CONTROL SYSTEMREPAIR INSTRUCTIONSWHEEL SPEED SENSOR REPLACEMENT - REARINSTALLATION PROCEDURE

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Installation Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Installation Procedure

Fig 1: Rear Wheel Speed Sensor

Courtesy of GENERAL MOTORS CORP.

Install the spacer block and the wheel speed sensor.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the wheel speed sensor retaining bolt.
Tighten: Tighten the bolt to 14 N.m (124 lb in).
Connect the electrical connector.
For the left rear sensor, install the leaf spring anchor plate. Refer to Leaf Spring Replacement in Rear Suspension.
Lower the vehicle.
Perform a low speed test to ensure the wheel speed sensor is functioning properly:
1. Start the engine and allow it to idle.
2. Check to see if the ABS indicator or the traction assist indicator remains illuminated.
3. If the ABS indicator or the traction assist indicator remains illuminated, DO NOT proceed to drive the vehicle until it is diagnosed and repaired. Check the wheel speed sensor electrical connector to ensure it is not damaged and is installed properly. If the lamp remains illuminated, refer to Symptoms - Anti-Lock Brake System .
4. Select a smooth, dry, clean, and level road or large lot that is as free of traffic and obstacles as possible.
5. Drive the vehicle and maintain a speed of at least 16 km/h (10 mph) for at least 5 seconds.
6. Stop the vehicle and check to see if the ABS indicator or the traction assist indicator is illuminated.
7. If an indicator is illuminated, refer to Diagnostic Starting Point - Anti-Lock Brake System .

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.