It's not in the right gear. It means your going too fast for what gear it is set in. If it hums, put it into a higher gear e.g. if it hums when in 3rd gear, put it in 4th and the humming will stop.
Letting go of the pedal or pushing the gas pedal.
I just had that happen to my '95 Subaru Legacy wagon. It was stuck in 4th. Cluch would engage but couldn't get the stick shift to move. It finally gave way with my buddy rocking the car and me pushing the clutch in and moving the stick around.
Pushing on the brake pedal
The pedal needs to be greased with good ole WD-40 where the pedal goes into the firewall.
It could be your torque converter stays locked up and it would act like a standard shift car would if you were coming to a stop without pushing in the clutch pedal.
Yes, because you will have a smaller distance to "travel" with it. But for old cars, witch`s shift stick moves harder it would be pretty annoying.
1st - I would Ask Myself am i parking on a Incline..??? Am I pressing the Brake Pedal Before Shifting into Gear..??? Check Your Brake / Transmission Shift Interlock Setting..!!!
The clutch Throw Out Bearing is going bad.
you have to put your foot on the break pedal, to shift out of park its a safety feature
Because that's what they want.
If you mean that you can't shift the shifter while pressing on the brake, I would say that it is down by the brake pedal.
Does the noise happen all the time you push on the gas pedal or only at certain speeds?