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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Caster (Axle Inclination)








Caster is the angle (B) between the vertical axis (A) and a line between the center of the lower ball joint and the suspension strut upper mounting (i.e. through the strut). Caster tends to return the wheel to the straight-ahead position, making steering easier. A larger caster angle also assists steering wheel return.

NOTE: Caster cannot be adjusted.