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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3. Synchronizer Ring Inspection


Synchronizer Ring Inspection





1. Set the synchronizer ring evenly in the gear, and measure the clearance between the synchronizer ring and flank surface of the gear all around the circumference using a feeler gauge.





Clearance

^ If not within the specification, replace the synchronizer ring.