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HOMESERVICE MANUALSCHEVROLET2019EXPRESS 2500 BASE, VAN CARGO EXTENDED, 6.0L ENG VIN GREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 35 (ANTILOCK BRAKE SYSTEM)REPAIR INSTRUCTIONSREAR WHEEL SPEED SENSOR REPLACEMENT (JH9)INSTALLATION PROCEDURE
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN G

Installation Procedure

2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN GSECTION Installation Procedure
WARNING: This page is about a different car, the 2018 GMC Savana 3500, 2018 GMC Savana 2500, 2018 Chevrolet Express 3500, and 2018 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
  1. Lightly lubricate the rear wheel speed sensor O-rings with rear axle lubricant. Adhesives, Fluids, Lubricants, and Sealers
  2. GM4891074Courtesy of GENERAL MOTORS COMPANY

    Rear Wheel Speed Sensor (2) - Install [2x]

    3. CAUTION:

    Refer to Fastener Caution .

  3. Rear Wheel Speed Sensor Bolt (1) - Install and tighten [4x] 10 N.m (89 lb in)
  4. GM4891001Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Clip (3)@Rear Axle Bracket - Install

  5. Wiring Harness Clip (2)@ Frame Rail - Install [4x]
  6. Electrical Connector (1)@ Frame Rail - Connect [2x]
  7. Remove the support and lower the vehicle.
  8. Perform a low speed test of the wheel speed sensor function:
    1. Start the engine and allow to idle.
    2. Ensure the ABS or traction assist indicators are not illuminated.
    3. If the ABS or traction assist indicators remain illuminated, DO NOT drive the vehicle until it is diagnosed and repaired. Inspect the wheel speed sensor electrical connector for damage and proper installation. If either lamp remains illuminated. Diagnostic Starting Point - Vehicle
    4. Select a smooth, dry, clean, and level road or large lot that is free of traffic and obstacles.
    5. Drive the vehicle, maintaining a speed of at least 16 km/h (10 mph) for at least 5 seconds.
    6. Stop the vehicle and ensure the ABS or traction assist indicators are not illuminated.
    7. If either indicator is illuminated. Diagnostic System Check - Vehicle
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.