Have Transmission Questions? Ask a Mechanic for Answers ASAP
Hello. Welcome to Just Answer. Please allow me to assist you. Your gearshift sticking in first gear would not be an internal problem if it shifts OK with the engine OFF.
I suspect that you have one (or a combination) of the following problems:
Incorrect throwout bearing
No lubrication on the throwout bearing/input tube where the throwout bearing rides is causing the throwout bearing to hang up
the clutch disc is installed backwards
the clutch disc in incorrect (too thick)
The clutch master and slave cylinders are not developing sufficient hydraulic pressure (needs bled or faulty)
The first thing to do here is to see if it shifts OK into all the gears with the engine shut off. If you have a mechanical problem inside the transmission, it should not shift. If it DOES shift ok, you problem lies between the transmission and the flywheel. I suspect that your mechanic failed to replace the throwout bearing, he did not lubricate it, or your slave cylinder is not sending enough pressure to the clutch fork to move the clutch
If you have any questions, please feel free to reply; I will be very glad to help you further.
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