Optima V6-2.7L VIN 4 (2007)
2. Grip each front tire at the top and bottom and move the wheel inward and outward while lifting the weight of the tire off the front wheel bearings.
3. If the tire and wheel (hub) is loose on the spindle, does not rotate freely, or has a rough feeling when spun, carry out one of the following.
On vehicles with inner and outer bearings, inspect the bearings and races for wear or damage. Adjust or install new bearing and races as necessary.
4. Check the hub for cracks and the splines for wear.
5. Check the brake disc for scoring and damage.
6. Check the knuckle for cracks.
7. Check the bearing for cracks or damage.
REASSEMBLY
1. Apply the multi-purpose grease to the contacting surface of the knuckle and wheel bearing thinly.
2. Press-in the wheel bearing to the knuckle using the SST (09216-21100).
CAUTION:
a. Do not against the inner race of the wheel bearing because that can cause damage to the bearing assembly.
b. Always use a new wheel bearing assembly.
3. Install the snap ring into the groove the knuckle.
4. Press-in the hub to the knuckle using the SST (09454-21100).
CAUTION:
a. Do not against the outer race of the wheel bearing because that can cause damage to the bearing assembly.
5. Tighten the hub to the knuckle with the SST (09517-21500).
Tightening torque Nm (kgf.m, lb-ft): 200 - 260 (20 - 26, 145 - 188)
6. Rotate the hub to seat the wheel bearing.
7. Measure the wheel bearing starting torque.
Wheel bearing starting torque: 1.8 Nm (18kgf.cm, 1.3 lb-ft) or below
