Buick Regal: Diagnostic Information and Procedures

 DTC P0748, P0962, or P0963

Diagnostic Instructions Perform the Diagnostic System Check prior to using this diagnostic procedure: Refer to Diagnostic System Check - Vehicle Review the description of Strategy Based Diagnosis: Refer to Strategy Based Diagnosis An overview of each diagnostic category can be found here: R

 Hydraulic Brake System Bleeding (Manual)

WARNING: Refer to Brake Fluid Irritant Warning. CAUTION: Refer to Brake Fluid Effects on Paint and Electrical Components Caution. 1. Place a clean shop cloth beneath the brake master cylinder to prevent brake fluid spills. 2. With the ignition OFF and the brakes cool, apply the brakes 3 - 5 times