viii 1 Introduction to Brake Systems . . . . . . .1 2 Shop Safety and Environmental Protection . . . . . . . . . .15 3 Brake Tools, Shop Equipment, and Service Information. . . . . . . . . . .27 4 Hydraulic System Fundamentals . . . .51 5 Master Cylinders, Calipers, and Wheel Cylinders . . . . . . . . . . . . .61 6 Master Cylinder, Caliper, and Wheel Cylinder Service. . . . . . . .81 7 Power Assist Units . . . . . . . . . . . . . . .101 8 Power Assist Unit Service . . . . . . . . .117 9 Hydraulic Valves, Switches, Lines, and Hoses. . . . . . . . . . . . . . . . . . . . .133 10 Hydraulic Valve, Switch, Line, and Hose Service . . . . . . . . . . . . . . .147 11 Friction Brake Theory. . . . . . . . . . . . .163 12 Disc Brake System Components and Operation. . . . . .175 13 Disc Brake Service . . . . . . . . . . . . . .191 14 Drum Brake System Components and Operation. . . . . .211 15 Drum Brake Service . . . . . . . . . . . . .231 16 Wheel Bearings and Oil Seals . . . . .251 17 Wheel Bearing and Oil Seal Service . . . . . . . . . . . . .265 18 Parking Brakes . . . . . . . . . . . . . . . . .289 19 Parking Brake Service. . . . . . . . . . . .307 20 Brake System Electrical and Electronic Components . . . . . .323 21 Anti-Lock Brake, Traction Control, and Electronic Stability Control System Components and Operation . . . . . . . . . . . . . . . . .347 22 Anti-Lock Brake, Traction Control, and Electronic Stability Control System Service . . . . . . . . . . . . . . . . .371 23 Troubleshooting Brake Systems . . . .397 24 ASE Certification. . . . . . . . . . . . . . . .415 25 Career Preparation. . . . . . . . . . . . . .425 Appendix A: Scan Tools . . . . . . . . . .435 Appendix B: Useful Tables. . . . . . . . .444 Glossary . . . . . . . . . . . . . . . . . . . . . .449 Index . . . . . . . . . . . . . . . . . . . . . . . . .467 Brief Contents