Possible problems with the Nissan automatic transmission:
1. Gear slipping
* Clutch slippage when changing gears
*Loss of power when accelerating
2. Hard gear shifting
* Difficulty shifting gears
* Knock or knock when shifting
3. Humming or vibration
*Unusual noise coming from the transmission
* Vibration felt in the car
4. Transmission fluid leak
* Visible fluid leak under the car
*Low transmission fluid level
5. Gear start delay
* Delay when shifting gears
* The car does not move off properly
6. Overheating
*Glow or smoke from transmission
* Burnt oil smell
7. Errors on the dashboard
*Transmission fault indicator lights up
*Error codes read by diagnostic scanner
Causes of problems with the Nissan automatic transmission:
* Wear or malfunction of transmission components (clutches, belts, solenoids)
*Low or deteriorating transmission fluid
* Malfunctions in the electrical system of the gearbox
* Mechanical damage caused by impact or accident
* Improper maintenance or use of the vehicle
Troubleshooting steps:
* Check the level and condition of the transmission fluid.
* Perform diagnostics using a trouble code scanner.
* Check the transmission electrical system (sensors, solenoids).
*Physically inspect the transmission for damage or leaks.
*Consult an auto shop that specializes in transmissions for more complex repairs.
Notes:
* Automatic transmission problems can be serious and expensive to repair.
* It is important to promptly maintain and diagnose any problems to avoid further damage.
* Do not attempt to repair an automatic transmission yourself unless you have the appropriate knowledge and experience.