Disc Brake Component Specifications

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

Application	Specification
Application	Metric	English
Front Brake Rotors
Rotor Discard Thickness *	30.7 mm	1.21 in
Rotor Maximum Allowable Lateral Runout	0.06 mm	0.002 in
Rotor Maximum Scoring	1.50 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 in
Rotor Minimum Allowable Thickness After Refinishing	31.0 mm	1.22 in
Rotor Thickness-NEW	32.2 mm	1.27 in
Rear Brake Rotors
Rotor Discard Thickness *	12.5 mm	0.49 in
Rotor Maximum Allowable Lateral Runout	0.05 mm	0.002 in
Rotor Maximum Scoring	1.50 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.02 mm	0.001 in
Rotor Minimum Thickness After Refinishing	12.9 mm	0.51 in
Rotor Thickness-NEW	14.0 mm	0.55 in
* 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 thickness specification.