(1) Check the rack tooth surface for damage or wear.
(2) Check the contact surface of the oil seal for damage.
(3) Check the rack for bending or twisting.
(4) Check the oil seal ring for damage or wear.
(5) Check the oil seal for damage or wear.

2. Gear
(1) Inspect the gear tooth surface for damage and wear.
(2) Check the contact surface of the oil seal for damage.
(3) Check the O-ring for damage or wear.
(4) Check the oil seal for damage or wear.

3. Bearing
(1) Rotate the bearing to ensure that there is no jamming or increased noise.
(2) Check for excessive play.
(3) Check the bearing for loose rollers.
4. Other
(1) Check for damage to the cylindrical hole of the rack housing.
(2) Check the boot for damage, cracks or signs of aging.
