Subject: | Revised Hydraulic & Disc Brake Specifications |
Models: | 2000 Buick Century, Regal |
This bulletin is being issued to correct the Hydraulic and Disc Brake Specifications. Please use the following to replace the existing information in the Hydraulic Brake and Disc Brake sub-sections of the Service Manual.
Application | Specification | |
---|---|---|
Metric | English | |
Front Brakes | ||
| 30.7 mm | 1.21 in |
| 31.7 mm | 1.25 in |
| 32.2 mm | 1.27 in |
Maximum Lateral Runout | 0.080 mm | 0.003 in |
Maximum Scoring | 1.50 mm | 0.059 in |
Thickness Variation | 0.013 mm | 0.0005 in |
Rear Brakes | ||
| 9.0 mm | 0.35 in |
| 10.6 mm | 0.41 in |
| 11.0 mm | 0.43 in |
Important: All brake rotors have a discard dimension cast into them. Replace any rotor that does not meet this specification. After refinishing the rotor, replace any rotor that does not meet the minimum or discard thickness specifications after refinish. |
Application | Specification | |
---|---|---|
Metric | English | |
Brake Hose Bolt at Front Brake Caliper | 54 N·m | 40 lb ft |
Brake Hose Bolt at Rear Brake Caliper | 54 N·m | 40 lb ft |
Brake Pedal Bolt and Nut | 40 N·m | 30 lb ft |
Brake Pipe Fittings / Tube Nut (at the wheels.) | 15 N·m | 11 lb ft |
Brake Pipe Fittings / Tube Nut (at ABS Modulator.) | 24 N·m | 18 lb ft |
J 22805-01 to Brake Booster Mounting Nuts | 25 N·m | 18 lb ft |
Application | Specification | |
---|---|---|
Metric | English | |
Brake Pedal Travel | 74 mm | 2.91 in |
Application | Specification | |
---|---|---|
Metric | English | |
Front Brakes | ||
| 85 N·m | 63 lb ft |
| 180 N·m | 133 lb ft |
Rear Brakes | ||
| 44 N·m | 32 lb ft |
| 115 N·m | 85 lb ft |
| 34 N·m | 25 lb ft |