Lower Arm - Inspection
1. Inspect the rubber bushings for wear or deformation.
2. Inspect the lower arm for bending or cracks.
3. Inspect the ball joint dust boot for cracks and damage.
4. Inspect all bolts for deformation and damage.

5. Check the rotating torque of the lower arm ball joint stud.
• If the ball joint dust boot is cracked or torn, replace the lower arm ball joint assembly.
• Swing the lower arm ball joint stud several times.
• Measure the rotating torque of the lower arm ball joint stud.
Standard value:
3,5 - 10 N·m
• If the rotating torque exceeds the upper limit of the specification, replace the lower arm ball joint assembly.
• If the rotating torque is below the lower limit of the specification, the ball joint may be reinstalled provided there is no binding and no excessive play in the joint stud.
Test yourself
A quick Hyundai Elantra CN7 quiz: every answer comes with an explanation and a link to the manual page.