Acura Manual Transmission 2004

The Acura Manual Transmission for 2004 models features a precision-engineered 5-speed or 6-speed gearbox with smooth-shifting capabilities, synchronized gears, hydraulic clutch system, durable construction, and optimized gear ratios for performance and fuel efficiency. Designed for Acura TL, RSX, and TSX models with enhanced durability and responsive shifting. Below are key sections for operation, maintenance, troubleshooting, and specifications.

1. Features at a Glance 2. Installation 3. Operation Guidelines 4. Specifications 5. Controls and Components 6. Maintenance Schedule 7. Fluid Requirements 8. Troubleshooting 9. Warranty Information 10. Technical Support

Features at a Glance

Key components: Manual gearbox, shift linkage, clutch assembly, synchronizers, gear selector.

Feature	Description
Gearbox Type	5-speed or 6-speed manual transmission
Clutch System	Hydraulic clutch with master/slave cylinders
Synchronizers	Carbon-lined synchronizers for smooth shifting
Gear Ratios	Optimized for performance and fuel economy
Shift Linkage	Precision cable or rod linkage system
Fluid Capacity	2.1-2.4 quarts manual transmission fluid
Construction	Aluminum housing with hardened steel gears
Compatibility	Acura TL, RSX, TSX 2004 models
Shift Pattern	Standard H-pattern with reverse lockout
Warranty	3-year/36,000-mile limited warranty

Installation

Professional installation recommended. Ensure proper alignment and torque specifications.

Remove old transmission: Disconnect driveshaft, shift linkage, clutch hydraulic lines.
Install new unit: Align input shaft with clutch plate, secure mounting bolts.
Connect components: Reattach shift linkage, hydraulic lines, driveshaft.
Fill with fluid: Use recommended manual transmission fluid.
Test operation: Check shifting smoothness and clutch engagement.

WARNING! Transmission is heavy; use proper lifting equipment. Follow torque specifications precisely.

Operation Guidelines

Proper shifting techniques for optimal performance and longevity.

Clutch operation: Fully depress clutch pedal before shifting gears.
Smooth shifting: Avoid forcing gears; allow synchronizers to work.
Rev matching: Match engine RPM when downshifting.
Avoid riding clutch: Keep foot off clutch pedal when not shifting.
Proper start: Use first gear from complete stop.

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

Specifications

Transmission Type: 5-speed or 6-speed manual
Gear Ratios: Varies by model (1st: 3.266, 2nd: 1.882, 3rd: 1.296, 4th: 1.034, 5th: 0.825, 6th: 0.738)
Final Drive Ratio: 4.388:1
Fluid Type: Honda MTF or equivalent manual transmission fluid
Fluid Capacity: 2.1-2.4 quarts (2.0-2.3 liters)
Clutch Type: Hydraulic, single disc dry clutch
Shift Pattern: H-pattern with reverse left and up
Weight: Approximately 85-95 lbs (38-43 kg)
Compatible Models: 2004 Acura TL, RSX Type-S, TSX

Controls and Components

Shift lever, clutch pedal, hydraulic system, gear selector mechanism.

Shift Lever: Direct connection to transmission with reverse lockout mechanism.

Clutch System: Hydraulic master cylinder, slave cylinder, clutch disc, pressure plate, throwout bearing.

Gear Components: Input shaft, output shaft, counter shaft, synchronizers, shift forks, detents.

Fluid System: Fill plug, drain plug, vent tube, magnetic drain plug.

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

Fluid change: Every 30,000 miles or 2 years
Clutch inspection: Every 15,000 miles
Shift linkage adjustment: As needed for precise shifting
Hydraulic system: Check fluid level and condition regularly
External inspection: Check for leaks and damage

Tip: Use only recommended manual transmission fluid for optimal performance.

Fluid Requirements

Proper fluid selection and maintenance procedures.

Fluid type: Honda Manual Transmission Fluid or equivalent
Capacity: 2.1-2.4 quarts (check specific model requirements)
Change procedure: Warm transmission, drain old fluid, refill to proper level
Inspection: Check fluid color and consistency during changes
Disposal: Follow local regulations for used transmission fluid

WARNING! Do not overfill transmission. Use only specified fluid types.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Difficulty shifting	Low fluid/worn synchronizers	Check fluid level; inspect synchronizers; adjust clutch
Grinding noises	Worn synchronizers/low fluid	Change fluid; inspect synchronizers; check clutch adjustment
Clutch slippage	Worn clutch disc	Replace clutch components; check hydraulic system
Fluid leaks	Seals/gaskets damaged	Identify leak source; replace seals/gaskets
Vibration	Mounts worn/misalignment	Inspect motor mounts; check transmission alignment

Reset: No electronic reset required for manual transmission.

Warranty Information

3-year/36,000-mile limited warranty covering defects in materials and workmanship. Does not cover damage from improper installation, abuse, or lack of maintenance. Proof of proper maintenance required for warranty claims.

Technical Support

For technical assistance, contact Acura Customer Service at 1-800-382-2238 or visit www.acura.com. Authorized service centers available nationwide for professional installation and repair services.