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Home >> Chevrolet >> 2003 >> Chevy Express H2500 >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Repair Instructions >> Wheel Speed Sensor Replacement (4WD) >> Installation Procedure

Installation Procedure

  1. Install the WSS (5) into the hub/bearing assembly (4) shown on the 2500/3500 series.
    Fig 1: Installing Wheel Speed Sensor Into Hub/Bearing Assembly
    G01216229Courtesy of GENERAL MOTORS CORP.
    NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  2. Install the WSS mounting bolt.

    Tighten 

    Tighten the WSS mounting bolt to 18 N.m (13 lb ft).

    Fig 2: Installing Wheel Speed Sensor Mounting Bolt
    G01216230Courtesy of GENERAL MOTORS CORP.
  3. Install the WSS cable mounting clip to the knuckle.
  4. Install the WSS cable mounting clip to the upper control arm.
  5. Install the WSS cable mounting clip to the frame attachment point.
  6. Connect the WSS cable electrical connector.
    Fig 3: Installing Wheel Speed Sensor Cable Mounting Clips
    G01216231Courtesy of GENERAL MOTORS CORP.
  7. Install the brake rotor (2) shown on the 1500 series. Refer to REMOVAL (FRONT) .
    Fig 4: Installing Brake Rotor
    G01216232Courtesy of GENERAL MOTORS CORP.
  8. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels .
  9. Perform the Diagnostic System Check - ABS (W/O JL4) .
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