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Disc Brake Service Specifications

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DISC BRAKE SPECIFICATIONS

Application In. (mm)
Front Brakes (6400 Lbs. GVWR)
Rotor Discard Thickness (1) 1.082 (27.50)
Rotor Minimum Allowable Thickness After Refinish 1.10 (28.0)
Rotor Thickness (New) 1.14 (29.0)
Rotor Maximum Allowable Lateral Runout 0.005 (0.13)
Rotor Maximum Allowable Scoring 0.059 (1.50)
Rotor Maximum Allowable Thickness Variation 0.001 (0.025)
Front Brakes (7200 Lbs. GVWR)
Rotor Discard Thickness (1) 1.082 (27.50)
Rotor Minimum Allowable Thickness After Refinish 1.10 (28.0)
Rotor Thickness (New) 1.14 (29.0)
Rotor Maximum Allowable Lateral Runout 0.005 (0.13)
Rotor Maximum Allowable Scoring 0.059 (1.50)
Rotor Maximum Allowable Thickness Variation 0.001 (0.025)
Front Brakes (9900 Lbs. GVWR)
Rotor Discard Thickness (1) 1.437 (36.50)
Rotor Minimum Allowable Thickness After Refinish 1.46 (37.0)
Rotor Thickness (New) 1.50 (38.0)
Rotor Maximum Allowable Lateral Runout 0.005 (0.13)
Rotor Maximum Allowable Scoring 0.059 (1.50)
Rotor Maximum Allowable Thickness Variation 0.001 (0.025)
Front Brakes (12,300 Lbs. GVWR)
Rotor Discard Thickness (1) 1.437 (36.50)
Rotor Minimum Allowable Thickness After Refinish 1.46 (37.0)
Rotor Thickness (New) 1.50 (38.0)
Rotor Maximum Allowable Lateral Runout 0.005 (0.13)
Rotor Maximum Allowable Scoring 0.059 (1.50)
Rotor Maximum Allowable Thickness Variation 0.001 (0.025)
Rear Brakes (6400 Lbs. GVWR)
Rotor Discard Thickness (1) 0.728 (18.50)
Rotor Minimum Allowable Thickness After Refinish 0.748 (19.0)
Rotor Thickness (New) 0.787 (20.0)
Rotor Maximum Allowable Lateral Runout 0.005 (0.13)
Rotor Maximum Allowable Scoring 0.059 (1.50)
Rotor Maximum Allowable Thickness Variation 0.001 (0.025)
Rear Brakes (7200 Lbs. GVWR)
Rotor Discard Thickness (1) 1.122 (28.50)
Rotor Minimum Allowable Thickness After Refinish 1.142 (29.0)
Rotor Thickness (New) 1.181 (30.0)
Rotor Maximum Allowable Lateral Runout 0.005 (0.13)
Rotor Maximum Allowable Scoring 0.059 (1.50)
Rotor Maximum Allowable Thickness Variation 0.001 (0.025)
Rear Brakes (9900 Lbs. GVWR)
Rotor Discard Thickness (1) 1.082 (27.50)
Rotor Minimum Allowable Thickness After Refinish 1.102 (28.0)
Rotor Thickness (New) 1.141 (29.0)
Rotor Maximum Allowable Lateral Runout 0.005 (0.13)
Rotor Maximum Allowable Scoring 0.059 (1.5)
Rotor Maximum Allowable Thickness Variation 0.001 (0.025)
Rear Brakes (12,400 Lbs. GVWR)
Rotor Discard Thickness (1) 1.122 (28.5)
Rotor Minimum Allowable Thickness After Refinish 1.142 (29.0)
Rotor Thickness (New) 1.181 (30.0)
Rotor Maximum Allowable Lateral Runout 0.005 (0.13)
Rotor Maximum Allowable Scoring 0.059 (1.50)
Rotor Maximum Allowable Thickness Variation 0.001 (0.025)
(1) All brake rotors have a discard dimension cast into them. Replace any rotor that does not meet this specification. After refinishing rotor, replace any rotor that does not meet the minimum thickness specifications.