Grand Prix V6-3.8L VIN 2 (2004)
Brake Rotor/Disc: Specifications
Rotor Maximum Allowable Thickness After Refinishing Updated
TSB # 04-05-23-002A
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 ......................................................................................................................... 31.08 mm 1.224 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.
The content of this article has been updated by manual update # 04-05-23-002A dated August 4, 2005 for Rotor Minimum Allowable Thickness After
Refinish.
