GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Chevy P12 Chassis 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Master Cylinder Diagnosis
  1. Inspect the master cylinder for the following conditions:
    2. • Cracked casting
    • Brake fluid leaks
  2. Leaks are indicated only if there is at least one drop of fluid. A damp condition is not abnormal.
  3. Inspect the master cylinder for the following conditions:
    4. • Binding pedal linkage
    • Incorrect pushrod length
  4. Disassemble the master cylinder if the following conditions exist:
    5. • No brake pedal binding
    • Improper brake pedal travel
  5. Refer to the instructions enclosed with the service repair kit.
  6. Inspect the master cylinder for swollen or elongated primary piston seal(s).