Operation CHARM: Car repair manuals for everyone.
Home >> Porsche >> 1987 >> 944 L4-2479cc 2.5L >> Repair and Diagnosis >> Transmission and Drivetrain >> Manual Transmission/Transaxle >> Input Shaft >> Service and Repair >> Checking Synchronizer Rings
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

Checking Synchronizer Rings



1. Clean synchronizer rings and gears.

Synchronizer Rings:





Specifications:





2. Press dried synchronizer rings on tapers of gears and measure clearance "a" with a feeler gauge blade.
pro multis · About Operation CHARM