In the event of transmission damage not related to the fluid level or adjustments described in this Section, the nature of the damage must first be determined: mechanical or hydraulic. To do this, the transmission must be in the car. For this purpose, special testing equipment and knowledge of testing techniques are required, so we recommend entrusting the work to a suitably equipped Nissan dealer or an automatic transmission specialist.
Do not remove the transmission from the vehicle for repair or rebuilding until you have had the problem diagnosed by a professional.