Acura TL Manual Swap

The Acura TL manual transmission swap involves converting an automatic transmission Acura TL to a manual transmission configuration. This comprehensive guide covers the process, required parts, tools, installation steps, and considerations for successfully completing the swap to enhance driving performance and engagement.

Overview and Benefits

The manual transmission swap transforms the driving experience by providing greater control, improved acceleration, and enhanced reliability compared to the automatic transmission.

Benefit	Description
Improved Performance	Better acceleration and throttle response
Enhanced Control	Direct gear selection and clutch engagement
Increased Reliability	Simpler mechanical design with fewer failure points
Better Fuel Economy	More efficient power transfer in manual configuration
Higher Resale Value	Manual transmission models often command premium prices
Driving Engagement	More connected and engaging driving experience

Required Parts List

Complete parts inventory needed for successful manual transmission conversion.

1. Manual transmission assembly (6-speed preferred)
2. Clutch kit (pressure plate, clutch disc, release bearing)
3. Flywheel and flywheel bolts
4. Manual transmission shifter assembly
5. Clutch master cylinder and slave cylinder
6. Manual transmission ECU or ECU reflash
7. Manual transmission driveshaft
8. Clutch pedal assembly and hydraulic lines
9. Manual transmission mount and brackets
10. Starter motor (manual transmission compatible)

NOTE: Ensure all parts are compatible with your specific Acura TL model year.

Tools and Equipment

Essential tools required for the manual transmission swap procedure.

• Complete socket set (metric)
• Transmission jack
• Torque wrench
• Clutch alignment tool
• Hydraulic line bleeding kit
• Jack stands and floor jack
• Various pry bars and extensions
• Electrical connectors and wiring tools
• Fluid catch pans
• Safety equipment (gloves, eye protection)

WARNING! Use proper safety equipment and follow all safety procedures during installation.

Pre-Installation Preparation

Proper preparation ensures a smooth and successful transmission swap.

1. Disconnect battery negative terminal
2. Drain transmission fluid from automatic transmission
3. Remove exhaust system for access clearance
4. Label all electrical connectors and vacuum lines
5. Clean work area and organize tools
6. Review service manual for specific torque specifications

CAUTION! Vehicle must be securely supported on jack stands before beginning work.

Removal Process

Step-by-step procedure for removing automatic transmission components.

1. Remove driveshaft and exhaust components
2. Disconnect shift linkage and transmission cooler lines
3. Remove torque converter bolts and flex plate
4. Support engine with proper support tool
5. Remove transmission crossmember and mounts
6. Lower automatic transmission using transmission jack
7. Remove automatic transmission ECU and related components

Tip: Take photos during disassembly for reference during reassembly.

Installation Steps

Comprehensive installation procedure for manual transmission components.

1. Install clutch assembly using alignment tool
2. Mount flywheel with proper torque sequence
3. Install manual transmission with new mount
4. Connect shifter linkage and cables
5. Install clutch hydraulic system (master and slave cylinders)
6. Install manual transmission driveshaft
7. Connect all electrical connectors and sensors
8. Install manual transmission ECU or reflash existing ECU
9. Fill transmission with proper manual transmission fluid
10. Bleed clutch hydraulic system

WARNING! Torque all fasteners to factory specifications using torque wrench.

Wiring and ECU Modifications

Electrical system modifications required for manual transmission operation.

Component	Modification Required
ECU	Replace with manual transmission ECU or professional reflash
Neutral Safety Switch	Bypass or modify for manual transmission operation
Reverse Lights	Connect to manual transmission reverse switch
Clutch Safety Switch	Install and wire for starter interlock
Speed Sensor	Ensure proper connection and calibration

NOTE: Professional ECU programming may be required for optimal performance.

Testing and Calibration

Post-installation testing procedures to ensure proper operation.

1. Check clutch pedal free play and adjustment
2. Test gear engagement in all positions
3. Verify reverse light operation
4. Check for fluid leaks at all connections
5. Test drive at low speeds to verify operation
6. Monitor transmission temperatures during initial operation
7. Perform final torque check on all critical fasteners

CAUTION! Perform initial testing in safe, controlled environment.

Common Issues and Solutions

Troubleshooting guide for common manual swap problems.

Issue	Possible Cause	Solution
Difficulty shifting	Clutch not fully disengaging	Bleed clutch hydraulic system; adjust pedal
Gear grinding	Incorrect fluid or synchro issues	Use proper MTF fluid; check synchro condition
Clutch slippage	Improper installation or wear	Check clutch adjustment; inspect components
Vibration	Driveshaft angle or balance	Check driveshaft alignment and balance
ECU error codes	Incomplete programming	Complete ECU programming and coding

Maintenance and Care

Proper maintenance procedures for manual transmission longevity.

• Change transmission fluid every 30,000 miles
• Inspect clutch hydraulic fluid regularly
• Check for leaks at all hydraulic connections
• Monitor clutch wear and adjustment
• Lubricate shifter linkage as needed
• Check transmission mount condition periodically

Tip: Use only manufacturer-recommended transmission fluids.

Technical Specifications

Technical details and specifications for Acura TL manual transmission components.

• Transmission Type: 6-speed manual
• Gear Ratios: Varies by model year (typically 3.267 1st to 0.738 6th)
• Final Drive Ratio: 4.389:1
• Clutch Type: Single disc dry clutch
• Fluid Capacity: 2.2 quarts (2.1 liters)
• Fluid Type: Honda MTF or equivalent
• Torque Capacity: Varies by clutch kit (typically 250-350 lb-ft)
• Shift Mechanism: Cable-operated