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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Synchronizer Hub: Testing and Inspection









CLUTCH HUB AND INSERT CLEARANCE
Use a thickness gauge to measure the clearance between the clutch hub and the insert.
If the measured value exceeds the specified limit, the clutch hub and the insert must be replaced.









CLUTCH HUB SPLINE PLAY
1. Set a dial indicator to the clutch hub to be measured.
2. Move the clutch hub as far as possible to both the right and the left.
Note the dial indicator reading.
If the measured value exceeds the specified limit, the clutch hub must be replaced.