Most likely the clutch-look at disc surface.
It's a transmission where the gears do not change themselves, but have to be changed with a gear shift and a clutch.
You have not pressed the Clutch peddle to change the gears!!
Manual transmission is a stick shift. You have to manually change the gears using the shifter and the clutch.
Clutch needs adjustment/replacement Synchonizers worn?
Manual transmission is when you use the shift stick to shift to different gears in a car instead of driving without shifting gears,which is auto transmission.
In a car with a manual transmission the driver not only has to choose between the different forward gears(4-6 of them) himself, he also has to operate the clutch, the gadget that momentarily separates the gearbox from the engine in order to change the gears.
In a manual transmission vehicle, gear shifts work by using a gear stick to change the position of gears inside the transmission. When the driver moves the gear stick, it engages different gears to control the speed and power of the vehicle. This allows the driver to shift between different gears to match the engine's speed with the desired driving conditions.
The American term for a manual gearbox in a car. In other words - you use a "gear stick" to change the gears linking the engine with the wheels. As opposed to an automatic gear box which will change the gears without need for the driver to do anything. "Auto" transmission is most common in USA whereas in Europe "manual" is most common.
The most common cause for a transmission not to change gears, is low transmission fluid. Check the transmission fluid and fill to the full line.
If it is an automatic transmission, the speed of the engine (in rpm) is what makes the gears change. Accelerate too much and it will fly up through the gearbox when it is not supposed to. If it is a manual transmission, the gears shouldn't change without the clutch being depressed and you manually changing gear; at most, it will simply disengage and cease turning the wheels.
3.46 for auto and manual transmission.
Why will my 2000 mitsubishi eclipse gs not change gears? its like its stuck in 2nd or 3rd? i have no clue whats wronmg with it