Buick Regal: Diagnostic Information and Procedures

 Radio Controls Malfunction (IOB)

Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Refer to Diagnostic Procedure Instructions for an overview of each diagnostic category. Diagnostic Fa

 Brake Rotor Assembled Lateral Runout Measurement

Special Tools GE-571-B Hub and Wheel Runout Gauge For equivalent regional tools, refer to Special Tools. WARNING: Refer to Brake Dust Warning. NOTE: Brake rotor assembled lateral runout (LRO) exceeding the maximum allowable specification can cause thickness variation to develop in the brake roto