1998 Nissan Frontier D22 series Automatic Transaxle AT Manual
Repair guide for all 1998 Nissan Frontier D22 series Automatic Transaxle AT configurations, including internal components, troubleshooting, and diagnostic procedures. Part number 31742-48X06.
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Models Covered & Key Technical Specifications
Essential Factory Technical Manual: Truck 1998 Nissan Frontier D22 series Automatic Transaxle AT manual Workshop-Compendium Service Manual & Parts List | AT Segment.
- Designated Assembly Torques: 33 Nm (1.30) specifies the standard torque for mounting bolts in the oil pump housing. Mapping
- Primary Liquid Volume: For optimal operation, 7.9 L (8 US qt, 7 Imp qt) defines the total fluid capacity. Configuration
- Advanced Play Limits: 0.5 - 0.8 mm (0.020 - 0.031 in) establishes the standard clearance for the low & reverse brake. Benchmarks
- Defined Temperature Range: For optimal operation, 50 - 80 C (122 - 176 F) defines the environmental limit. Range
- Key Operational Speed: Maximum throughput reaches 25 ppm Parameters.
- Essential Fastener Specs: 16-22 Nm (1.8-2.2, 12-16) specifies torque for the transmission case bolts. Baseline
Manual Description & Preview
Essential Factory Technical Manual: Truck 1998 Nissan Frontier D22 series Automatic Transaxle AT manual Workshop-Compendium
| Year-Coverage: 1998 // Technical-Scope: AT / Automatic Transaxle Logic // System-Coverage: D21, D22 series | Assessment-Parameter | Technical-Path | Calibration-Standards |
|---|---|---|---|
| Automatic transmission model code | RL4R01A | --- | |
| Stall torque ratio | 2.0 : 1 | --- | |
| Transmission gear ratios | 1st: 2.785, 2nd: 1.545, Top: 1.000, OD: 0.693, Reverse: 2.272 | --- | |
| Recommended fluid | Nissan Matic "D" (Continental U.S. and Alaska) or Genuine Nissan Automatic Transmission Fluid (Canada) | --- | |
| Fluid capacity | 7.9 L (8 US qt, 7 Imp qt) | --- |
Maintenance information covers the automatic transmission's shift mechanism, control circuits, and overall system operation. The manual details troubleshooting procedures for common issues like fluid leaks and stall tests. It also provides in-depth repair sections for major components such as the torque converter, control valve, oil pump, and various clutches and brakes within the transmission.
Engine Rebuild Procedures
This document outlines procedures for engine rebuild, covering critical steps to ensure proper assembly and function.
Drivetrain Specifications
Included are detailed drivetrain specifications, addressing critical parameters for performance and longevity.
Reassembly Procedures
Comprehensive reassembly procedures are documented for all major transmission sub-assemblies, ensuring correct installation.
...documents torque specifications for transmission components to ensure proper thread engagement security.
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