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 Ring Inspection

Synchronizer Ring Inspection
1. Inspect the synchronizer ring teeth for damage, wear, and cracks.
^ If there is malfunction, replace parts as necessary.
2. Inspect the tapered surface for wear and cracks.
^ If there is malfunction, replace parts as necessary.





3. Measure the clearance between the synchronizer ring and the side of gear circumferentially using a feeler gauge.
^ If the clearance is exceed the minimum, replace the synchronizer ring.

Standard clearance:
1.50 mm (0.059 in)
Minimum:
0.80 mm (0.031 in)