Mechanics

PASSENGEER FRONT ABS SENSOR REPLACEMENT

2003 Chevrolet Tahoe • 5.3L V8 4WD Automatic • 200,000 miles

Throws a code for this item, needs replaced per local garage. Would like to do this myself, do you have a video that pertains?
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Scott Sharer
February 27, 2014.



Hello,

Don't have a Vid but here are diagrams and proceedure.

Removal Procedure

Raise and support the vehicle.
Remove the tire and wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
Remove the brake rotor (2) shown on the 1500 series. Refer to Brake Rotor Replacement - Front in Disc Brakes.
Fig 1: Removing Brake Rotor (4WD) G01457163 Courtesy of GENERAL MOTORS CORP.
Remove the wheel speed sensor (WSS) mounting bolt.
Fig 2: Removing Wheel Speed Sensor (WSS) Mounting Bolt (4WD)G01457164Courtesy of GENERAL MOTORS CORP.
NOTE: Carefully remove the sensor by pulling it straight out of the bore. DO NOT use a screwdriver, or other device to pry the sensor out of the bore. Prying will cause the sensor body to break off in the bore.
Remove the wheel speed sensor (5) from the hub/bearing assembly (4) shown on the 2500/3500 series.
Fig 3: Removing Wheel Speed Sensor From Hub/Bearing Assembly (4WD) G01457165 Courtesy of GENERAL MOTORS CORP.
Remove the WSS cable mounting clip from the knuckle.
Remove the WSS cable mounting clip from the upper control arm.
Remove the WSS cable mounting clip from the frame attachment point.
Remove the WSS cable electrical connector.
Fig 4: Removing WSS Cable Electrical Connector (4WD) G01457166 Courtesy of GENERAL MOTORS CORP.

Installation Procedure

Install the WSS (5) into the hub/bearing assembly (4) shown on the 2500/3500 series.
Fig 5: Installing WSS Into Hub/Bearing Assembly (4WD) G01457167 Courtesy of GENERAL MOTORS CORP.
Install the WSS mounting bolt.
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.

Tighten

Tighten the WSS mounting bolt to 18 N.M (13 lb ft).
Fig 6: Installing WSS Mounting Bolt (4WD) G01457168 Courtesy of GENERAL MOTORS CORP.
Install the WSS cable mounting clip to the knuckle.
Install the WSS cable mounting clip to the upper control arm.
Install the WSS cable mounting clip to the frame attachment point.
Connect the WSS cable electrical connector.
Fig 7: Connecting WSS Cable Electrical Connector (4WD) G01457169 Courtesy of GENERAL MOTORS CORP.
Install the brake rotor (2) shown on the 1500 series. Refer to Brake Rotor Replacement - Front in Disc Brakes.
Fig 8: Installing Brake Rotor (4WD) G01457170 Courtesy of GENERAL MOTORS CORP.
Install the tire and wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
Perform the or .

Wheel Speed Sensor Replacement - Rear
Removal Procedure

Raise the vehicle.
Disconnect the electrical connector.
Remove the wheel speed sensor retaining bolt.
Remove the wheel speed sensor.

Installation Procedure

Install the wheel speed sensor.
Install the wheel speed sensor retaining bolt.

Tighten

Tighten the wheel speed sensor retaining bolt to 13 N.M (115 lb in).
Connect the electrical connector.
Lower the vehicle.
Perform a low speed test to ensure the wheel speed sensor is functioning properly: Start the engine and allow it to idle.
Check to see if the ABS indicator or the traction assist indicator remains illuminated.
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 .
Select a smooth, dry, clean, and level road or large lot that is as free of traffic and obstacles as possible.
Drive the vehicle and maintain a speed of at least 16 km/h (10 mph) for at least 5 seconds.
Stop the vehicle and check to see if the ABS indicator or the traction assist indicator is illuminated.
If an indicator is illuminated, refer to .


Obxautomedic
Feb 27, 2014.