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 spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Brake Rotor/Disc: Specifications

Front Thickness variation limit 0.015 mm (0.00059 inch)





Minimum Thickness





Minimum thickness after machining using a brake lathe on-vehicle

Rear Minimum thickness 8.0 mm (0.31 inch)
Rear Minimum thickness after machining by using a brake lathe on-vehicle 8.4 mm (0.33 inch)
Rea Runout limit 0.05 mm (0.002 inch) max.