Operation CHARM: Car repair manuals for everyone.

Rotors-Minimum & Discard Thickness, Variation/Runout

Brake Rotors
All brake drums and rotors have a discard dimension cast into them. This is a wear dimension and not a refinish dimension. Any drum or rotor which does not meet the specification should be replaced.
Discard Thickness 0.736
Lateral Runout 0.003
Minimum Thickness after Refinish 0.751
Rotor Diameter 10.197
New Rotor Thickness (Max) 0.786
Thickness Variation 0.0005