Hydraulic Brake System
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Perform the brake system vehicle road test before using the brake symptom tables in order to duplicate the customer's concern. See BRAKE SYSTEM VEHICLE ROAD TEST . Review the system description and operation in order to familiarize yourself with the system functions. See DESCRIPTION & OPERATION .
Inspect for aftermarket devices which could affect the operation of the hydraulic brake system. See CHECKING AFTERMARKET ACCESSORIES . Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom. Inspect the brake fluid reservoir for the proper brake fluid level. Faulty electrical connections or wiring may be the cause of intermittent conditions.