The lock nut may not have been tightened enough on the steering gear box worm gear bearing and adjuster. Consequently, the worm gear adjuster may become loose due to excessive pressure from hard repeated steering.
Risk and remedy
Remedy
Dealer will inspect the steering gear box on the involved vehicles and, if necessary, secure the steering gear box worm gear bearing and adjuster to prevent steering instability.
Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.
10207946POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Toyota. This information must be kept near the point of vehicle sale and be available to any customer that requests it. Customers can find this information on the Owner?s section of Toyota.com. Dealers can locate a copy of this guide on the Claims Processing & Resource Center in Dealer Daily as well.
10197476Replacement vin plates.
10197473Product general information.
10145776Update on Technician Certification Requirements.
Every Toyota Corolla model year
Bars are owner complaints, dots mark years with recalls. Select a year to open its report.