Acura TSX 6 Speed Manual

The Acura TSX with 6-speed manual transmission is a premium sports sedan featuring a 2.4L i-VTEC engine, close-ratio gearbox, sport-tuned suspension, leather interior, and advanced audio system. Below are key sections covering features, specifications, operation, maintenance, and troubleshooting for the manual transmission system.

1. Features at a Glance 2. Transmission Specifications 3. Driving Operation 4. Maintenance Schedule 5. Gear Ratios 6. Clutch System 7. Performance Data 8. Common Issues 9. Fluid Specifications 10. Warranty Information 11. Troubleshooting

Features at a Glance

Key components: 6-speed manual transmission, 2.4L i-VTEC engine, sport-tuned suspension, leather-wrapped shift knob, aluminum pedals.

Feature	Description
Transmission Type	6-speed manual close-ratio gearbox
Gear Lever	Short-throw leather-wrapped shifter
Clutch Type	Hydraulic single-disc clutch
Final Drive Ratio	4.764:1
Shift Pattern	H-pattern with reverse lockout
Synchromesh	Carbon-lined synchronizers
Transmission Mount	Hydraulic damping system
Shift Feel	Precise, mechanical engagement
Gear Indicator	Digital display in instrument cluster
Rev Matching	Manual throttle blipping required

Transmission Specifications

Detailed technical specifications for the 6-speed manual transmission system.

Transmission Code: M6SH
Gear Ratios: 1st: 3.266, 2nd: 1.888, 3rd: 1.212, 4th: 0.967, 5th: 0.763, 6th: 0.597
Reverse Ratio: 3.583
Clutch Diameter: 225mm
Fluid Capacity: 2.2 quarts (2.1L)
Fluid Type: Honda MTF
Shift Mechanism: Cable-operated
Weight: 87 lbs (39.5 kg)

Driving Operation

Proper operation techniques for the 6-speed manual transmission.

Starting: Depress clutch fully, shift to neutral, start engine.
1st Gear: Shift into 1st with slight left pressure and forward movement.
Upshifting: Smooth clutch release with progressive throttle application.
Downshifting: Rev-match by blipping throttle during clutch engagement.
Reverse: Push shift lever down and left beyond 1st gear position.
Highway Cruising: 6th gear for optimal fuel economy at highway speeds.

WARNING! Do not rest hand on shift lever while driving. Avoid aggressive shifting when transmission is cold.

Maintenance Schedule

Recommended maintenance intervals for transmission system.

Service	Interval	Description
Transmission Fluid	30,000 miles	Replace with Honda MTF
Clutch Fluid	15,000 miles	Inspect and replace if contaminated
Shift Linkage	15,000 miles	Lubricate and adjust
Clutch System	60,000 miles	Inspect clutch disc and pressure plate
Transmission Mounts	30,000 miles	Inspect for wear and deterioration

Gear Ratios

Detailed gear ratio specifications and performance characteristics.

Gear	Ratio	MPH per 1000 RPM	Redline Speed
1st	3.266	5.2 mph	38 mph
2nd	1.888	9.0 mph	65 mph
3rd	1.212	14.0 mph	102 mph
4th	0.967	17.5 mph	128 mph
5th	0.763	22.2 mph	142 mph
6th	0.597	28.4 mph	155 mph
Reverse	3.583	4.7 mph	-

Clutch System

Hydraulic clutch system specifications and operation.

Clutch Type: Single dry disc with diaphragm spring
Operation: Hydraulic with self-adjusting mechanism
Fluid Type: DOT 4 brake fluid
Master Cylinder: 0.625 inch diameter
Slave Cylinder: 0.75 inch diameter
Clutch Pedal: Adjustable pedal height and free play
Bleeding: Requires manual bleeding procedure

CAUTION! Do not use clutch to hold vehicle on hills. Avoid riding the clutch pedal.

Performance Data

Performance specifications for the 6-speed manual TSX.

0-60 mph: 6.7 seconds
1/4 Mile: 15.2 seconds @ 94 mph
Top Speed: 155 mph (electronically limited)
City MPG: 21 mpg
Highway MPG: 30 mpg
Redline: 7100 RPM
Shift Points: 6800 RPM for optimal acceleration
Engine Power: 205 hp @ 7000 RPM
Engine Torque: 164 lb-ft @ 4500 RPM

Common Issues

Known issues and concerns with the 6-speed manual transmission.

3rd gear synchro wear: Common in high-mileage vehicles
Clutch master cylinder leaks: Check for fluid at pedal assembly
Shift cable bushings: Wear can cause imprecise shifting
Transmission mount failure: Causes shifting vibration
Clutch chatter: Often due to contaminated clutch disc
Hard shifting when cold: Normal characteristic in cold weather

Fluid Specifications

Recommended fluids and capacities for transmission system.

Fluid Type	Specification	Capacity	Change Interval
Transmission Fluid	Honda MTF	2.2 quarts	30,000 miles
Clutch Fluid	DOT 4 Brake Fluid	0.2 quarts	3 years
Shift Cable	White Lithium Grease	As needed	15,000 miles

WARNING! Use only specified fluids. Incorrect fluid can damage transmission.

Warranty Information

Standard warranty coverage for transmission components.

Basic Warranty: 4 years/50,000 miles
Powertrain Warranty: 6 years/70,000 miles
Transmission Coverage: Included in powertrain warranty
Clutch Components: Covered under basic warranty (wear item)
Fluid Changes: Not covered under warranty
Commercial Use: Reduced warranty terms apply

Troubleshooting

Symptom	Possible Cause	Corrective Action
Hard shifting	Old fluid/worn synchros	Change transmission fluid; inspect synchros
Clutch slippage	Worn clutch disc	Replace clutch assembly; adjust pedal
Gear grind	Low fluid/worn synchros	Check fluid level; replace if worn
Vibration in gear	Failed transmission mount	Inspect and replace mounts
Cannot select gears	Hydraulic failure	Bleed clutch system; check master/slave cylinders
Noisy in neutral	Input shaft bearing	Transmission overhaul required

Service: Contact Acura dealer for professional diagnosis and repair.