Sierra 1500 2WD V8-4.8L (2007)
Brake Rotor/Disc: Specifications
Front Brakes JF3, JF7
Rotor Discard Thickness * ..................................................................................................................................................................... 28.0 mm 1.10 in
Rotor Minimum Allowable Thickness After Refinish ............................................................................................................................ 28.0 mm 1.10 in
Rotor Thickness (new) ......................................................................................................................................................................... 30.0 mm 1.181 in
Rotor Maximum Allowable Lateral Runout ......................................................................................................................................... 0.05 mm 0.002 in
Rotor Maximum Allowable Scoring...................................................................................................................................................... 1.50 mm 0.059 in
Rotor Maximum Allowable Thickness Variation ............................................................................................................................... 0.025 mm 0.001 in
Front Brakes JD9, JH6, JH7
Rotor Discard Thickness * ................................................................................................................................................................. 36.50 mm 1.437 in
Rotor Minimum Allowable Thickness After Refinish ........................................................................................................................... 37.0 mm1.457 in
Rotor Thickness (new) ......................................................................................................................................................................... 38.0 mm 1.496 in
Rotor Maximum Allowable Lateral Runout ......................................................................................................................................... 0.13 mm 0.005 in
Rotor Maximum Allowable Scoring .................................................................................................................................................... 1.50 mm 0.059 in
Rotor Maximum Allowable Thickness Variation ............................................................................................................................... 0.025 mm 0.001 in
Rear Brakes JD9
Rotor Discard Thickness * ................................................................................................................................................................... 18.0 mm 0.709 in
Rotor Minimum Allowable Thickness After Refinish ........................................................................................................................ 18.5 mm 0.7282 in
Rotor Thickness (new) ......................................................................................................................................................................... 20.0 mm 0.787 in
Rotor Maximum Allowable Lateral Runout ......................................................................................................................................... 0.25 mm 0.010 in
Rotor Maximum Allowable Scoring ................................................................................................................................................... 1.50 mm 0.059 in
Rotor Maximum Allowable Thickness Variation ............................................................................................................................. 0.009 mm 0.0004 in
Rear Brakes JH6
Rotor Discard Thickness * ................................................................................................................................................................... 27.5 mm 1.083 in
Rotor Minimum Allowable Thickness After Refinish .......................................................................................................................... 28.0 mm 1.102 in
Rotor Thickness (new) ......................................................................................................................................................................... 30.0 mm 1.181 in
Rotor Maximum Allowable Lateral Runout ......................................................................................................................................... 0.13 mm 0.005 in
Rotor Maximum Allowable Scoring .................................................................................................................................................... 1.50 mm 0.059 in
Rotor Maximum Allowable Thickness Variation ............................................................................................................................... 0.025 mm 0.001 in
Rear Brakes JH7
Rotor Discard Thickness * ................................................................................................................................................................... 28.5 mm 1.122 in
Rotor Minimum Allowable Thickness After Refinish ............................................................................................................................ 29.0 mm 1.142 in
Rotor Thickness (new) ......................................................................................................................................................................... 30.0 mm 1.181 in
Rotor Maximum Allowable Lateral Runout ......................................................................................................................................... 0.13 mm 0.005 in
Rotor Maximum Allowable Scoring .................................................................................................................................................... 1.50 mm 0.059 in
Rotor Maximum Allowable Thickness Variation ............................................................................................................................... 0.025 mm 0.001 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 specifications.