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 Hub: Testing and Inspection




Wheel Hub: On-Vehicle Inspection and Service

Make sure the mounting conditions (looseness, backlash) of each component and component status (wear, damage) are normal.

Wheel Bearing Inspection

- Move wheel hub in the axial direction by hand. Make sure there is no looseness of wheel bearing.











- Rotate wheel hub and make sure there is no unusual noise or other irregular conditions. If there are any irregular conditions, replace wheel hub and bearing assembly.