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Home >> Infiniti >> 2021 >> Q50 Signature Edition, RWD >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Rear Suspension (Service Information) >> Removal And Installation >> Suspension Arm >> Inspection >> Inspection After Removal

Inspection After Removal

Appearance 

Check the following items, and replace the part if necessary.

Ball Joint Inspection 

Manually move ball stud to confirm that it moves smoothly with no binding.

Swing Torque Inspection 

  1. Move the ball stud at least ten times by hand to check for smooth movement.
  2. Hook spring balance (A) at cotter pin mounting hole. Confirm spring balance measurement value is within specifications when ball stud begins moving.
    GNSJPEIA05Z-005Courtesy of NISSAN NORTH AMERICA, INC.

    Swing torque

    : Refer to BALL JOINT : Service Data .

    • If swing torque exceeds the standard range, replace suspension arm assembly.

Rotating Torque Inspection 

  1. Move the ball stud at least ten times by hand to check for smooth movement.
  2. Attach the mounting nut to ball stud. Make sure that rotating torque is within the specifications with a preload gauge (A) [SST: ST3127S000 (J-25765-A)].
    G04876481Courtesy of NISSAN NORTH AMERICA, INC.

    Rotating torque

    : Refer to BALL JOINT : Service Data .

    • If rotating torque exceeds the standard range, replace suspension arm assembly.

Axial End Play Inspection 

  1. Move the ball stud at least ten times by hand to check for smooth movement.
  2. Move tip of ball stud in axial direction to check for looseness.

    Axial end play

    : Refer to BALL JOINT : Service Data .

    • If axial end play exceeds the standard range, replace suspension arm assembly.