Check the hydraulic fluid level for the clutch master cylinder, it may be empty. If it is empty you can fill it with DOT 3 brake fluid. This may temporarily fix the problem but you still have a leak in the system.
My cam synchronizer failed and it was causing the trans to shift erratically and to slip
Bad clutch? Bad transmission? Worn synchronizer?
bad synchronizer
In a manual transmission between the gears. If one fails it will make it very difficult or impossible to shift in to the lower gear, i.e. if the 2nd gear synchronizer goes out you cant shift from 3rd to 2nd gear
Bad synchronizer? Bent shift fork?
There is no synchronizer gear in these, so you do the synchronization. You're not going to learn about it by reading about it... perhaps a truck driving school would be in order.
Broken synchronizer, worn teeth, shift lever needs adjustment or bearings are worn.
One of the reasons a Honda Accord with an automatic transmission may not shift out of first is there is not enough transmission fluid. The more likely reason is that the transmission has something broken in it and needs to be serviced or replaced.
Too fast or slow of rpm for gear your trying to switch into A bad or going bad shift synchronizer
2003 Honda 450 es Forman will not shift into reverse?
my Honda accord has auto 4 speed that will not shift
i have a 1998 honda accord the gear shift is locked...