Installation Procedure

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Clean all corrosion or contaminates from the steering knuckle bore and the hub and bearing.
Lubricate the steering knuckle bore with wheel bearing grease or the equivalent.
Install the O-ring (7) to the steering knuckle, 25/35 series.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the wheel speed sensor mounting bolt.
Tighten

Tighten the bolt to 18 N.m (13 lb ft).
Install the wheel hub and bearing and splash shield to the vehicle, 25/35 series.

Fig 1: Installing Wheel Hub & Bearing Mounting Bolts 25/35 Series
Courtesy of GENERAL MOTORS CORP.
Install the wheel hub and bearing (4) and splash shield to the 15-series steering knuckle.
Install the wheel hub and the 15-series bearing mounting bolts.
Install the wheel hub and bearing mounting bolts, the 25/35 series.
Tighten

Tighten the bolts to 180 N.m (133 lb ft).
Install the wheel speed sensor and brake hose mounting bracket bolt to the steering knuckle.
Tighten

Tighten the brake hose clip bolt to 12 N.m (106 lb in).
Install the rotor. Refer to BRAKE ROTOR .
Install the tire and wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
Lower the vehicle.

Fig 2: Installing Wheel Hub & Bearing 15-Series Mounting Bolts
Courtesy of GENERAL MOTORS CORP.