This vehicle has a semi-independent twist-beam rear suspension system consisting of the following components:
Axle Assembly

The axle assembly (1) attaches to the underbody through a rubber bushing and bracket located at the front of each integral trailing arm.
The brackets are attached to the underbody side rails with bolts (2). The axle structure itself maintains the geometrical relationship of the wheels relative to the centerline of the body.
Special Tools and Equipment

Wheel Stud Replacement
Tires and WheelsRemoval Procedure
Warning: Refer to Approved Equipment for Collision Repair Warning in the
Preface section.
Warning: Refer to Glass and Sheet Metal Handling Warning in the Preface section.
Disable the SIR System. Refer to SIR
Disabling and Enabling.
Disconnect the negative battery cable. Refer to ...
Buying New Tires
GM has developed and matched specific tires for the vehicle. The original equipment
tires installed were designed to meet General Motors Tire Performance Criteria Specification
(TPC Spec) system rating. When replacement tires are needed, GM strongly recommends
buying tires with the same TPC Sp ...
Pictures
Pictures can only be viewed using USB devices. If pictures are on an SD card,
transfer to a USB device or use a USB-SD adapter. File sizes above approximately
four mega pixels may not show. Only jpeg, bmp, gif, and png files are supported.
1. Press the Pictures screen button on the Home Page.
...