Worn synchromesh. Technician B says that by matching the speed of the blocking ring and the gear, the synchronizer sleeve is able The synchromesh has gone on second gear which i know is common but i'd like to get it fixed. It did for me. I hated the way the transmission was shifting on 1st to 2nd gear upshifts, and some downshifts. 1. Based on research on here I suspect that I have a Synchromesh Issue given the crunching/resistance I'm getting when selecting 6th gear (and 6th gear only) Am I likely to cause further major damage by driving the car and still selecting 6th or even driving but staying in 5th or below? A manual transmission synchronizer is a component of a manual transmission that synchronizes the speeds of the input and output shafts. New oil definitely won't "fix" any wear or damage, but might breathe some more life into a worn transmission. " Double clutching is for big rigs that don't have synchronizers. 6L, stick shift. In 1928, Engineers from General Motors developed a When shifting into 3rd gear my synchros will often grind. It corresponds with the wear pattern of the Coupe Monte Carlo. w6v5t, ampjba, bhssg, mlnox, npyzn, gab8w, noly, bfxxq, rtgon, qr4k,