hello Scotty i have a problem with my car when i put the first gear the car start shaking then she go i have an peugeot 106

its difficult to drive to mountains it hapens only at first gear

often that's a worn out clutch, broken transmission mount, or first gear that's wearing out inside the transmission. Pray its just a broken rubber mount

this happend after that i changed the engine and has even a sound attransmission when i pres the clutch pedal the noise turns off