Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Brake Rotor/Disc

Nominal Thickness 0.940 - 0.950
Minimum Refinish Thickness 0.882
Thickness Variation (Parallelism) 0.0005
Lateral Runout (T.I.R.) 0.003
Micro-Finish 15 - 80 RMS