WARNING: This page is about a different car, the 2002 GMC Safari and 2002 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Hydraulic Brake System Diagnosis (Steps 1-4)
Courtesy of GENERAL MOTORS CORP.
Fig 2: Hydraulic Brake System Diagnosis (Step 5)
Courtesy of GENERAL MOTORS CORP.
Fig 3: Hydraulic Brake System Diagnosis (Steps 6-13)
Courtesy of GENERAL MOTORS CORP.
Fig 4: Hydraulic Brake System Diagnosis (Steps 14-21)