Sierra 1500 4WD V8-5.3L VIN Z Flex Fuel (2005)
Rear Brakes (RPO JH7)
Rotor Discard Thickness * ............................................................................................................................................................... 28.5 mm (1.122 inch)
Rotor Minimum Allowable Thickness After Refinish ..................................................................................................................... 29.0 mm (1.142 inch)
Rotor Thickness (new) ..................................................................................................................................................................... 30.0 mm (1.181 inch)
Rotor Maximum Allowable Lateral Runout .................................................................................................................................... 0.13 mm (0.005 inch)
Rotor Maximum Allowable Scoring ................................................................................................................................................ 1.50 mm (0.059 inch)
Rotor Maximum Allowable Thickness Variation .......................................................................................................................... 0.025 mm (0.001 inch)
* 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 specifications.