When I Release Gas

Friends We have the 206 model xt, and when the car is in gear, it sounds like "tickling". Where do you think this sound comes from?

It was detected that it came from the spider gear
lock.

407 pressure changed in my car, then when 123 heavy gas pressed, there is no sound, it bursts, why is my teacher how did it go wrong?

When I get up in the clutch, do I shoot my master car.

There is no hitting, there is a tremor when the slack in the voices in the departures make you press the clutch again.