The Acura RSX automatic to manual transmission conversion is a popular modification that transforms the driving experience from automatic convenience to manual control. This comprehensive guide covers the conversion process, required parts, tools, installation steps, and important considerations for swapping the automatic transmission to a manual 5-speed or 6-speed transmission in your Acura RSX.
The automatic to manual transmission swap involves replacing the entire drivetrain components to achieve proper manual operation. Key components: Manual transmission, clutch assembly, flywheel, shifter assembly, pedals, and supporting electronics.
| Component | Description |
|---|---|
| Manual Transmission | 5-speed or 6-speed transmission from RSX Type-S |
| Clutch Assembly | Complete clutch kit including pressure plate and disc |
| Flywheel | Manual transmission compatible flywheel |
| Shifter Assembly | Complete shifter mechanism with cables |
| Pedal Assembly | Manual clutch and brake pedals |
| Transmission Mount | Manual-specific transmission mount |
| Starter Motor | Manual transmission compatible starter |
| Driveshafts | Manual transmission compatible axles |
| ECU | Manual transmission compatible ECU |
| Wiring Harness | Modified or manual transmission harness |
Complete parts inventory for successful conversion.
WARNING! Ensure all parts are compatible with your specific RSX model year.
Proper tools are essential for successful conversion.
CAUTION! Use proper safety equipment and secure vehicle on jack stands.
Step-by-step removal of automatic transmission components.
Tip: Label all connectors and bolts for easy reassembly.
Installation of manual transmission components.
WARNING! Torque all bolts to factory specifications.
Electrical modifications required for manual conversion.
ECU Replacement: Swap automatic ECU for manual transmission compatible ECU. Wiring Modifications: Bypass neutral safety switch, connect reverse light switch, modify transmission position sensors. Dash Indicators: May require coding to eliminate automatic transmission warnings.
Complete clutch hydraulic system setup.
CAUTION! Ensure proper bleeding to prevent clutch engagement issues.
Post-installation verification and adjustment.
| Test | Procedure | Expected Result |
|---|---|---|
| Clutch Engagement | Start engine, depress clutch, shift through gears | Smooth engagement, no grinding |
| Gear Selection | Test all gears including reverse | Positive engagement in all positions |
| Reverse Lights | Shift into reverse with ignition on | Reverse lights illuminate |
| Noise Check | Drive at various speeds | No unusual noises or vibrations |
| Fluid Leaks | Inspect after driving | No transmission or hydraulic fluid leaks |
Reset: Clear any diagnostic trouble codes after conversion.
| Issue | Possible Cause | Corrective Action |
|---|---|---|
| Gear grinding | Clutch not disengaging fully | Bleed clutch system, adjust pedal |
| Hard shifting | Incorrect fluid or cable adjustment | Use proper MTF, adjust shifter cables |
| Reverse lights not working | Wiring issue | Check reverse switch and wiring |
| Check engine light | ECU compatibility | Install manual ECU, clear codes |
| Vibration | Driveshaft or mount issues | Check driveshafts and transmission mounts |
Service: Consult professional mechanic if issues persist.
Post-conversion maintenance requirements.
Regular Maintenance: Change transmission fluid every 30,000 miles. Clutch System: Inspect clutch hydraulic fluid level monthly. Shifter Mechanism: Lubricate shifter linkage periodically. Drivetrain: Check for leaks and unusual noises regularly.
CAUTION! Allow proper break-in period for new clutch components.