Power Steering Gear Box: Inspection

Rack
1. Check for rack tooth face damage or wear.
2. Check for oil seal contact surface damage.
3. Check for rack bending or twisting.
4. Check for oil seal ring damage or wear.
5. Check for oil seal damage or wear.
  
  Fig 1: Identifying Vent Hole
  Courtesy of HYUNDAI MOTOR CO.
Pinion valve
1. Check for pinion gear tooth face damage or wear.
2. Check for oil seal contact surface damage.
3. Check for seal ring damage or wear.
4. Check for oil seal damage or wear.
  
  Fig 2: Identifying Pinion Gear
  Courtesy of HYUNDAI MOTOR CO.
Bearing
1. Check for seizure or abnormal noise during a bearing rotation.
2. Check for excessive play.
3. Check for missing needle bearing rollers.
Others
1. Check for damage of the rack housing cylinder bore.
2. Check for boot damage, cracking or aging.