1997 Nissan Pathfinder R50 series AT Automatic Transmission Service Manual
Field service reference for the 1997 Nissan Pathfinder R50 Automatic Transmission (AT). Includes diagnostic procedures, component inspection, and repair data. Part number: N/A
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Models Covered & Key Technical Specifications
1997 Nissan Pathfinder R50 series AT Automatic Transmission Manual: SUV Manual for Nissan Pathfinder, 1997 PDF Diagnostic-Reference Equipment-Series: Pathfinder R50 series / Nissan Motor Corporation, Ltd // Coverage-Scope: Automatic Transmission Logic // Equipment-Series: Technical-Reference. Measured Play Limits: For proper function, 0.020 in establishes the maximum runout for drive plate components. Established Electrical Specs: Standard operating voltage is 13.4 V which is supplied to the A/T control unit. Factory Climate Specs: For optimal operation, 50-80°C (122-176°F) defines the acceptable fluid temperature range. Integral Operational: The transmission control unit requires 12 V to function correctly. Operational Print Quality: 25 N-m (18 ft-lb) specifies the tightening torque for rear extension to adapter case bolts. Critical Spacing Data: 26.0 mm (1.024 in) is the standard distance required for torque converter to transmission assembly.
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1997 Nissan Pathfinder R50 series AT Automatic Transmission Manual: SUV Manual for Nissan Pathfinder, 1997 PDF Diagnostic-Reference
Equipment-Series: Pathfinder R50 series / Nissan Motor Corporation, Ltd // Coverage-Scope: Automatic Transmission Logic // Equipment-Series: Technical-Reference.
Technical Specs Table
| Component | Diagnostic-Logic | Calibration-Standards |
|---|---|---|
| Solenoid Valve Resistance | 20-40 Ω | 2.5 - 5 Ω |
| Torque Converter Clutch | 10 - 16 Ω | 20 - 40 Ω |
The manual presents information on the automatic transmission system, covering its overall operation, diagnostic procedures for various symptoms, and detailed component repair instructions. It includes a comprehensive breakdown of the A/T control unit, sensors, and actuators, providing insights into their function and troubleshooting steps.
Inspection guidelines are provided for the various internal components of the automatic transmission, including clutches, brake bands, and planetary gears, detailing their inspection standards and procedures.
Alignment specifications are included for the manual shift linkage and parking pawl system to ensure proper engagement and operation.
Reference data is included for critical measurements such as solenoid resistances and fluid temperatures, essential for accurate diagnosis and repair.
This manual covers the complete overhaul of major transmission components, such as the oil pump, control valve body, and clutch assemblies, offering step-by-step disassembly and assembly instructions.
Diagnostic procedures are covered for common symptoms like "Engine Cannot Be Started in P and N Position" and "Vehicle Does Not Creep Backward in R Position," guiding technicians through systematic troubleshooting.
It documents torque specifications for critical fasteners to ensure proper assembly and performance.
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