Lexus IS250 IS220d GSE20 ALE20 - SUSPENSION
FRONT UPPER SUSPENSION ARM - INSPECTION
1. INSPECT FRONT UPPER SUSPENSION ARM |

Flip the ball joint stud back and forth 5 times as shown in the illustration before installing the nut.
Use a torque wrench to turn the nut continuously at a rate of 2 to 4 seconds per turn. Take the torque reading on the 5th turn.
- Turning torque:
- 0.98 to 3.43 N*m (10 to 35 kgf*cm, 8.7 to 30.4 in.*lbf)
If the value is not within the specified range, replace the front upper suspension arm with a new one.
Check the dust boots for cracks or grease leakage.