1998 Nissan Pathfinder Automatic Transmission Specs:
Transmission type: 4-speed automatic transmission
Model: RE4R03A
Number of gears: 4 forward, 1 reverse
Gear ratios:
* 1st gear: 3.66:1
* 2nd gear: 2.29:1
* 3rd gear: 1.57:1
* 4th gear: 1.00:1
* Reverse gear: 3.18:1
Peculiarities:
* Torque converter lock in all gears
* Electronic control unit (ECU) control
* Built-in transmission fluid cooler
* Shift Lever Position Sensor (GPS)
Potential problems:
* Wear of friction discs and steel plates
* Clogged or faulty solenoids
*Hydraulic pump malfunction
*Transmission fluid leaks
* Overheating
Recommended Maintenance:
* Regular replacement of transmission fluid and filter (every 60,000 km or 3 years)
*Checking the transmission fluid level
* Diagnose and repair any leaks or shifting problems
*Using high quality transmission fluid recommended by the manufacturer