GM Corvette 1984-1996 Repair Guide

Hub and Bearings

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REMOVAL & INSTALLATION



See Figures 1 through 11

  1. Disconnect the negative battery cable. If necessary, remove the wheel center cover for access to the spindle (hub) nut. Raise and safely support the vehicle.
  2.  
  3. Remove the tire and wheel assembly.
  4.  
  5. If equipped with ABS, remove the wheel speed sensor.
  6.  
  7. Remove the cotter pin and wheel nut retainer. Discard the cotter pin. With an assistant depressing the brakes, break the spindle (hub) nut looses, then remove the nut and washer.
  8.  



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Fig. Fig. 1: Use a suitable tool to pull the cotter pin out of the wheel nut retainer



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Fig. Fig. 2: Discard the cotter pin (1), then remove the wheel nut retainer (2)



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Fig. Fig. 3: With an assistant depressing the brakes, loosen the hub nut



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Fig. Fig. 4: Remove the hub nut (1) and washer (2)

  1. Remove the brake caliper on 1984-87 vehicles and the brake caliper/parking brake assembly on 1988-96 vehicles, then remove the rotor.
  2.  
  3. If necessary on 1984-89 vehicles, disconnect the transverse spring from the knuckle.
  4.  
  5. Remove the wheel hub mounting bolts. Some early model vehicles have Torx® retaining bolts so you will need to use a suitable driver to remove them.
  6.  



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Fig. Fig. 5: Access to the hub and bearing Torx® bolts is difficult; you may have to turn the driveshaft and/or use an extension



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Fig. Fig. 6: Pull the bolts from the rear of the hub and bearing assembly

  1. On 1984-89 vehicles, remove the hub and bearing from the vehicle, then support the parking brake backing plate.
  2.  



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Fig. Fig. 7: Once the 3 bolts are removed, you can pull the hub and bearing, along with the backing plate off the driveshaft



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Fig. Fig. 8: Rear view of the hub and bearing and backing plate assembly



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Fig. Fig. 9: You can pull the hub and bearing away from the backing plate

  1. On 1990-96 vehicles, remove the wheel hub and bearing, caliper mounting plate and wheel spindle washer from the vehicle.
  2.  



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Fig. Fig. 10: Exploded view of the wheel hub and bearing and spindle assemblies-1996 vehicle shown

To install:
  1. Inspect the wheel hub and bearing seal, replace if necessary. Also inspect the wheel spindle washer and replace, if damaged or excessively worn.
  2.  
  3. Install the wheel hub and bearing, caliper mounting plate and the wheel spindle washer. The washer flat should firmly seat against the shoulder of the wheel spindle. The lip of the washer should face the wheel spindle splines prior to hub and bearing installation.
  4.  
  5. Install the wheel hub mounting bolts and tighten to 66 ft. lbs. (90 Nm).
  6.  
  7. Install the washer and spindle nut, and hand-tighten.
  8.  
  9. Install the wheel retainer and a new cotter pin.
  10.  
  11. If removed, connect the transverse spring to the knuckle.
  12.  
  13. Install the brake rotor, then install the caliper and parking brake assembly.
  14.  
  15. With an assistant depressing the brake pedal to prevent the wheel from turning, tighten the spindle nut to 164 ft. lbs. (223 Nm). The vehicle should not rest on the tires or move until the spindle nut is tightened.
  16.  



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Fig. Fig. 11: With an assistant depressing the brake pedal, tighten the hub nut to specifications

  1. Install the wheel speed sensor, if equipped, then install the wheel and tire assembly.
  2.  
  3. Lower the vehicle and connect the negative battery cable.
  4.  

 
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