aid

Speed ​​changes do not enter their time Transmission Nissan Pathfinder 90 Help

If it is automatic transmission, it may be due to an oil filter (covered) or another more detailed problem internally, but if it is manual transmission it can be too thick oil or problems from the lever to the connection with the box but in this case it would not be necessary to disassemble the box to the espcession of the automatic box that you must disassemble it for repair.
(Anyway, data is missing, and you should also consider that automatic transmission needs to demand more the engine for its operation, unlike the manual transmission that you dominate the rpm of the engine and the march you want to be)

If what happens is that my transmission is automatic but I am going to check the filter to have a thank you very much ..... greetings