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Wheels/Tires - Tire Rotation Information

INFORMATION

Bulletin No.: 05-03-10-015B

Date: December 12, 2008

Subject:
Tire Rotation on Vehicles with Different Front and Rear Tire/Wheel Sizes

Models:
2004-2009 Cadillac SRX
2005-2009 Cadillac STS with V8 Luxury Package Only
2006-2009 Cadillac STS-V, XLR-V
2009 Cadillac CTS-V
2003-2006 Chevrolet SSR
2005-2009 Chevrolet Corvette
2005-2008 Pontiac Grand Prix GXP

Supercede:

This bulletin is being revised to add model years and models. Please discard Corporate Bulletin Number 05-03-10-015A (Section 03 - Suspension).

Important:
The 2007-2009 Cadillac SRX Sport with RPO R1T is equipped with 20" wheels. The front and rear tire/wheel assemblies are the same size. Customers with this vehicle are able to rotate their tires.

The above listed vehicles are manufactured with tire/wheel assemblies that are different from front to rear. In this case, the tires should not be rotated.

If a customer requests to have the tires rotated during normal maintenance, explain to them that the tire/wheel assemblies of their vehicle were designed to be different sizes to enhance the vehicle's handling performance.

Important:
Changing the tire/wheel sizes or rotating the tires may affect the vehicle's handling and ride characteristics. GM DOES NOT recommend changing the OEM tires or wheels.





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