These fractures would result in wheel bolt breakage, allowing the wheel to detach from the wheel hub, increasing the risk of a crash.

Wheels — Hub

Summary

On certain passenger vehicles, if an owner changes their wheels/tires between summer and winter using a steel wheel in the winter and an alloy wheel in the summer, it is possible for rust and contamination to build up on the wheel hub during the steel wheel usage. If this occurs and the contamination is not removed, it is possible that after the tire change service, some of this contamination could flake or grind away resulting in reduced clamping force of the wheel to the hub. Over several seasons, it is possible that this reduced force could result in fractures developing in the wheel bolts due to wheel to hub movement.

Actions

Owners will be contacted by mail and asked whether they change between steel and alloy wheels. If they do engage in this practice, they will be instructed to bring their cars to an authorized dealer. The dealer will remove the wheels, clean any contamination from the wheel and wheel hub, and replace the wheels using new improved bolts with attached washers. Owner notification began March 31, 2003. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact Saab at 1-800-955-9007.

Documents (12)

• Fax Acknowledgement
• Manufacturer Notices(to Dealers,etc)
• Remedy Instructions and TSB
• Remedy Instructions and TSB
• Owner Notification Letter(Part 577)
• Quarterly Performance Report
• Quarterly Performance Report
• Quarterly Performance Report
• Quarterly Performance Report
• Defect and Noncompliance Notice(Part 573)
• Quarterly Performance Report
• Quarterly Performance Report

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