CHECK GEARBOX.

Measure the sliding of the gearbox.

or

QUESTION

Is the rotating resistance of steering gearbox less than 314 N (32 kgf, 71 lbf)? Is the difference between the right and left sliding resistances less than 20%?

Yes No

Steering effort is normal.

Readjust the backlash, and if ineffective, replace the faulty parts.