Chevrolet Cobalt Service & Repair Manual: Wheel Hub R&R

1. Raise and support the vehicle.
2. Remove the tire and wheel assembly.
3. Remove the brake rotor assembly.
4. Insert a punch or drift (1) in the cooling fins of the brake rotor (2), Fig. 1.
5. Position the punch or drift (1) against the brake caliper mounting bracket (5).
6. Using a breaker bar and the appropriate size socket (4), loosen the wheel drive shaft nut (3).
7. Have an assistant apply the brakes.
8. Remove the wheel drive shaft nut from the wheel drive shaft and discard. Do not reuse the wheel drive shaft nut. Use new nut only.
9. Using tool No. J-28733-B (2), separate the wheel drive shaft from the steering knuckle (1), Fig. 2.
10. Remove the lower ball joint from the steering knuckle.
11. Using tool No. J-2619-A and tool No. J-45341, remove the wheel drive shaft, Fig. 3.
12. If the wheel drive shaft seal is found to be defective, replace the seal.
13. Remove speed sensor electrical connector (1), Fig. 4.
14. Remove wheel bearing-hub bolt (2).
15. Remove wheel bearing-hub assembly (3) and spacer (4).
16. Reverse procedure to install, noting the following:
  a. Torque wheel drive nut to 159 ft. lbs.
  b. Torque wheel bearing-hub bolt to 85 ft. lbs.

Fig. 1 Wheel drive shaft nut replacement

Fig. 2 Drive shaft from steering knuckle removal

Fig. 3 Drive shaft replacement

Fig. 4 Front wheel bearing and hub replacement

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    See also:

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    Chevrolet Cobalt Owners Manual

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