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)

Or, hide this message: temporarily or permanently

Synchronizer Ring, M/T

Synchro ring Ring-to-gear clearance Ring pushed against gear Standard or new 0.70 - 1.49 mm
Service limit 0.4 mm
Double cone synchro Outer synchro ring-to-synchro cone clearance Ring pushed against gear Standard or new 0.70 - 1.19 mm
Service limit 0.3 mm
Synchro cone-to-gear clearance Ring pushed against gear Standard or new 0.50 - 1.04 mm
Service limit 0.3 mm
Outer synchro ring-to-gear cone clearance Ring pushed against gear Standard or new 0.95 - 1.68 mm
Service limit 0.6 mm
Triple cone synchro Outer synchro ring-to-synchro cone clearance Ring pushed against gear Standard or new 0.70 - 1.19 mm
Service limit 0.3 mm
Synchro cone-to-gear clearance Ring pushed against gear Standard or new 0.50 - 1.04 mm
Service limit 0.3 mm
Outer synchro ring-to-gear cone clearance Ring pushed against gear Standard or new 0.95 - 1.68 mm
Service limit 0.6 mm