Acura RL Manual Swap

The Acura RL manual transmission swap involves converting the automatic transmission Acura RL to a manual transmission setup. This comprehensive guide covers the process, required parts, installation steps, compatibility considerations, and troubleshooting for a successful manual transmission conversion on Acura RL models.

1. Overview and Benefits 2. Required Parts List 3. Tools and Equipment 4. Compatibility Guide 5. Step-by-Step Installation 6. Wiring and Electronics 7. Clutch System Setup 8. Drivetrain Modifications 9. Testing and Calibration 10. Common Issues and Solutions 11. Maintenance and Care

Overview and Benefits

The manual transmission swap transforms the driving experience of the Acura RL, offering improved control, better acceleration response, and enhanced driving engagement compared to the stock automatic transmission.

Benefit	Description
Improved Performance	Better acceleration and throttle response
Enhanced Control	Direct gear selection and engine braking
Weight Reduction	Manual transmission is typically lighter
Increased Reliability	Simpler mechanical design with fewer components
Customization Options	Choice of transmission ratios and clutch setups
Resale Value	Unique modification appealing to enthusiasts

Required Parts List

Complete parts inventory needed for a successful Acura RL manual transmission conversion.

Manual Transmission: Acura RL compatible 6-speed manual transmission
Clutch Kit: Complete clutch assembly with pressure plate and disc
Flywheel: Lightweight performance flywheel
Pedal Assembly: Manual clutch and brake pedal set
Master Cylinder: Clutch master cylinder and hydraulic lines
Slave Cylinder: Clutch slave cylinder and bracket
Shifter Assembly: Complete shifter mechanism and cables
Drive Shaft: Modified or custom drive shaft
ECU: Manual transmission compatible ECU or reprogrammed unit
Mounts: Transmission mounts and brackets

WARNING! Ensure all parts are compatible with your specific Acura RL model year.

Tools and Equipment

Essential tools required for the manual transmission swap procedure.

Transmission Jack: For safe transmission removal and installation
Socket Set: Comprehensive metric socket set
Torque Wrench: For proper bolt tightening specifications
Hydraulic Line Tools: For clutch hydraulic system installation
Electrical Tools: Wiring connectors and multimeter
Lift or Jack Stands: Safe vehicle elevation equipment
Alignment Tools: Transmission alignment dowels
Fluid Transfer Pump: For transmission fluid filling

CAUTION! Use proper safety equipment and follow all safety procedures.

Compatibility Guide

Model Years: 2005-2012 Acura RL models
Engine Compatibility: J37A4 3.7L V6 engine
Transmission Options: TL-S 6-speed manual transmission
ECU Requirements: Manual transmission ECU or flash
Axle Compatibility: Custom or modified axles required
Pedal Assembly: RL-specific manual pedal conversion kit
Mount Modifications: Custom transmission mount fabrication
Wiring Integration: Reverse light and neutral safety switch wiring

Step-by-Step Installation

Comprehensive installation procedure for the manual transmission conversion.

Phase 1 - Preparation: Disconnect battery, drain fluids, remove exhaust components, and prepare work area.

Phase 2 - Removal: Remove automatic transmission, torque converter, flex plate, and shift cable assembly.

Phase 3 - Installation: Install flywheel, clutch assembly, manual transmission, and new mounts.

Phase 4 - Hydraulics: Install clutch master cylinder, slave cylinder, and bleed hydraulic system.

Phase 5 - Controls: Install pedal assembly, shifter mechanism, and connect all cables.

Phase 6 - Electronics: Install manual transmission ECU and wire reverse lights, neutral switch.

Wiring and Electronics

Electrical modifications required for proper manual transmission operation.

ECU Replacement: Install manual transmission compatible ECU
Reverse Lights: Wire reverse light switch from transmission
Neutral Safety: Bypass or modify neutral safety switch circuit
Speed Sensor: Ensure vehicle speed sensor compatibility
Dash Indicators: Modify gear indicator and transmission warnings
Cruise Control: Maintain cruise control functionality
ABS Integration: Ensure ABS and stability systems remain functional

Tip: Label all wires and take photos before disconnecting any electrical connectors.

Clutch System Setup

Complete clutch system installation and adjustment procedure.

Flywheel Installation: Install and torque lightweight flywheel to specification
Clutch Assembly: Install clutch disc and pressure plate with alignment tool
Hydraulic System: Install master cylinder, slave cylinder, and hydraulic lines
Bleeding Procedure: Properly bleed clutch hydraulic system
Pedal Adjustment: Set clutch pedal free play and engagement point
Slave Cylinder: Install and adjust slave cylinder pushrod
System Test: Test clutch operation before final assembly

WARNING! Proper clutch adjustment is critical for transmission longevity.

Drivetrain Modifications

Required modifications to the drivetrain components.

Testing and Calibration

Post-installation testing procedures and system calibration.

CAUTION! Perform initial testing in a safe, controlled environment.

Common Issues and Solutions

Issue	Possible Cause	Corrective Action
Gear grinding	Clutch not fully disengaging	Adjust clutch hydraulic system; check master cylinder
Difficulty shifting	Improper cable adjustment	Adjust shifter cables; check linkage alignment
Clutch slippage	Worn clutch components	Replace clutch assembly; check flywheel surface
Vibration issues	Driveshaft imbalance	Balance driveshaft; check transmission mounts
Electrical problems	Wiring issues	Check reverse light wiring; verify ECU compatibility

Reset: Clear ECU codes and perform adaptation procedure if available.

Support: Consult Acura RL enthusiast forums for specific technical assistance.