Acura Legend 6 Speed Manual Transmission

The Acura Legend 6-speed manual transmission is a precision-engineered gearbox designed for the Acura Legend series, offering smooth shifting, enhanced performance, and superior driving dynamics. This transmission features close-ratio gearing for optimal power delivery, durable synchromesh for crisp gear changes, and robust construction for long-term reliability. Below are key sections covering specifications, operation, maintenance, troubleshooting, and technical details.

1. Transmission Specifications 2. Installation Guidelines 3. Operation and Shifting 4. Maintenance Schedule 5. Fluid Requirements 6. Common Issues 7. Troubleshooting 8. Technical Diagrams 9. Warranty Information 10. Support Resources

Transmission Specifications

Key components: 6-speed manual gearbox, shift linkage, clutch assembly, and differential integration.

Feature	Description
Gear Ratios	1st: 3.23, 2nd: 2.11, 3rd: 1.52, 4th: 1.15, 5th: 0.92, 6th: 0.75, Reverse: 3.18
Final Drive Ratio	4.20:1
Clutch Type	Hydraulic, single-disc
Shift Pattern	H-pattern with reverse lockout
Weight	Approximately 85 lbs (38.5 kg)
Material	Aluminum housing with hardened steel gears
Compatibility	Acura Legend 1991-1995 models
Torque Capacity	Up to 250 lb-ft (339 Nm)

Installation Guidelines

Proper installation ensures optimal performance and longevity.

Remove old transmission: Disconnect driveshaft, shift linkage, clutch hydraulic line, and mounting bolts.
Install new unit: Align input shaft with clutch disc; secure with mounting bolts.
Connect components: Reattach shift linkage, clutch line, and driveshaft.
Fill with fluid: Use recommended manual transmission fluid.
Test operation: Check for smooth shifting and no leaks.

WARNING! Use proper lifting equipment; transmission is heavy. Ensure clutch alignment tool is used during installation.

Operation and Shifting

For smooth gear changes and extended transmission life.

Clutch operation: Fully depress clutch pedal before shifting.
Shifting technique: Use firm, deliberate movements; avoid forcing gears.
Rev-matching: Downshift by matching engine RPM to gear speed.
Reverse engagement: Push down on shift knob and move left-forward.
Highway cruising: Use 6th gear for fuel efficiency at higher speeds.

CAUTION! Do not rest hand on shift lever; avoid aggressive shifting when transmission is cold.

Maintenance Schedule

Fluid Change: Every 30,000 miles or 2 years.
Clutch Inspection: Every 60,000 miles.
Shift Linkage Adjustment: As needed for precise shifting.
Seal Inspection: Check for leaks during oil changes.
Mount Inspection: Verify transmission mounts every 15,000 miles.

Fluid Requirements

Use only recommended fluids for optimal performance.

Fluid Type	Specification
Manual Transmission Fluid	Honda MTF or equivalent 75W-85 GL-4
Capacity	2.2 quarts (2.1 liters)
Change Interval	30,000 miles or 2 years

Note: Do not use automatic transmission fluid or GL-5 gear oil.

Common Issues

Typical problems and their indicators.

Grinding Gears: Worn synchromesh or low fluid.
Difficulty Shifting: Misadjusted linkage or worn clutch.
Leaks: Damaged seals or overfilled fluid.
Noise in Neutral: Worn input shaft bearing.
Vibration: Failed transmission mount.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Gear grinding	Low fluid/worn synchros	Check fluid level; replace if contaminated; inspect synchros.
Hard to shift	Linkage misalignment	Adjust shift linkage; check clutch hydraulic system.
Transmission leaks	Seal damage	Replace input shaft or output shaft seals.
Noise in gear	Bearing wear	Inspect and replace worn bearings.
Will not go into gear	Clutch issues	Check clutch hydraulic system; bleed if necessary.

Technical Diagrams

Refer to official service manual for detailed exploded views of transmission components, shift mechanism, and clutch assembly.

Warranty Information

Standard warranty: 1 year/unlimited miles from date of installation. Covers defects in materials and workmanship. Does not cover damage from misuse, improper installation, or lack of maintenance.

Support Resources

For technical assistance: Contact Acura customer service at 1-800-382-2238 or visit www.acura.com. For parts: Genuine Acura parts dealers or certified transmission specialists.