206 transmission oils

I have a 2005 straight gear, you know that the first gear of our 206s was already a big event, 2 years ago, I would like to change the gearbox oil, I would buy 3lt oil 75-80, do you have any advice for gear shifts?

Even if the vehicle gets hot, the old models of our 206s are unfortunately problematic compared to the new generation vehicles.

I recommend mobile so it was not a problem, my 206 cars, especially when changing the oil was more comfortable.