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

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Wheel Stud / Lug Nut





CAUTION: Failure to tighten the lug nuts in a star pattern can result in high brake disc runout, which will speed up the development of brake roughness, shudder and vibration.

Tighten the lug nuts in sequence to 135 Nm (100 ft. lbs.).