2002 Nissan Frontier D22 Automatic Transmission Service Manual

2002 Nissan Frontier D22 (RL4R01A) Transmission Service Manual

• Complete coverage for the RL4R01A automatic transmission, detailing teardown, diagnostic, and assembly procedures for the 2002 model year.
• Features 64 high-resolution diagrams, including clutch/band charts, hydraulic control circuits, and exploded views of internal components.
• Instant digital download provides immediate access to the files right after checkout, so you can get straight to work.
• High-contrast formatting ensures all schematics and page spreads print clearly for use on the shop floor.
• Delivers precise torque specifications and the 7.9 L fluid capacity requirements essential for accurate maintenance.

System Operations and Hydraulic Schematics

This documentation acts as a vital reference for diagnosing and overhauling the RL4R01A automatic transmission. It breaks down the entire system operation, giving you a clear look at power flow for all shift positions—from Park straight through to 4th gear. These descriptions are backed by accurate cross-sectional and hydraulic circuit schematics. Having these exact visual references on hand significantly cuts down diagnostic time at the bench.

Exact Clearances and Technical Specifications

Organized strictly for field use, the manual highlights the hard data you need during a rebuild. It clearly outlines the stall revolution standard of 2,100–2,300 rpm and provides exact reference values for critical internal tolerances, such as the 0.10–0.25 mm seal ring clearance. When bolting everything back up, it delivers bolt-specific torque data for converter housing components, including the heavy-duty 16 mm converter bolts.

Troubleshooting and Pressure Testing

Systematic inspection guides cover both A/T fluid condition and line pressure. These checks utilize the standard test ports documented throughout the transmission casing. If you are dealing with erratic shifting, the comprehensive symptom chart links specific gear-hunting behaviors directly to internal components. This helps you quickly isolate issues within the control valve, accumulator, or governor valve assembly.

Because working on automatic transmissions involves handling heavy drivetrains and pressurized fluids, this manual emphasizes the exact specifications required to support safe and standard workshop practices.