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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 623 (ANTI-LOCK BRAKE SYSTEM)REPAIR INSTRUCTIONSWHEEL SPEED SENSOR REPLACEMENTREMOVAL PROCEDURE
2004 Oldsmobile Bravada RWD

Removal Procedure

2004 Oldsmobile Bravada RWDSECTION Removal Procedure
WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

Important:  The wheel speed sensor and splash shield are replaced as one part. Do not attempt to separate and reattach the sensor from the splash shield.

Important:  This vehicle is equipped with a either a 7300 lb. GVW (C6A), 7700 lb. GVW (C3F) or 8600 lb. GVW (C6P) suspension system. The 7300 lbs vehicle uses a stamped/welded upper control arm, and the 7700 lbs and 8600 lbs vehicles use a steel bar type upper control arm. The wheel speed sensor harness wire is attached and routed over the upper control arm in two different ways. Careful attention to these differences should be noted before removing any components, to assure proper reassembly.

  1. Raise and support vehicle.
  2. Remove the tire and wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION .
  3. Remove the brake caliper. Refer to BRAKE CALIPER .
  4. Remove the hub and rotor. Refer to BRAKE ROTOR .
  5. Disconnect the wheel speed sensor electrical connector and detach the rosebud clip from the frame.

    Important:  Notice the position of the sensor wire clip on the shock tower. The sensor wire clip must be reinstalled in the same position, at approximately 45 degree angle to the centerline of the vehicle.

  6. Remove bolt (9,15) and washer which attaches the sensor wire clip at the shock tower.
  7. Remove the rosebud clip (2) on upper control arm (3) (7300 lb. GVW (C6A) only).
  8. Remove the bolt (7,14) and nut (4,11) which attaches the sensor wire clip (2,9) at the upper ball joint (5,12).
    Fig 1: Removing Wheel Speed Sensor Components
    G01688365Courtesy of GENERAL MOTORS CORP.

    Important:  The WSS (3) is held in place to the splash shield (1) with a plastic alignment tab (7) and a nut/bolt (2), located at the top hole in the WSS. It is not necessary to remove the top WSS bolt/nut (2) in order to remove the wheel speed sensor and splash shield assembly.

  9. Remove the splash shield mounting bolts (4).
  10. Remove the wheel speed sensor and splash shield assembly.
  11. Remove the splash shield gasket (5).
  12. Clean the gasket (5) and knuckle surfaces (6) thoroughly with a clean dry cloth.
    Fig 2: Removing Splash Shield Gasket
    G01688366Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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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.