Acura RSX 2002-2006

Acura RSX 2002-2006 H5 Transmission Specifications

Comprehensive technical specifications and service details for the H5-transmission system used in the 2002-2006 Acura RSX. This document covers gear ratios, torque specifications, fluid capacity, shift points, and maintenance procedures specific to the H5 manual transmission.

Updated Oct 24, 2023

H5 Transmission Specifications Overview Specifications

This document provides detailed specifications and technical information for the H5 transmission used in the 2002-2006 Acura RSX. It is designed to assist technicians, enthusiasts, and owners in understanding, maintaining, and repairing the transmission. Use the sections below to navigate through key specifications, maintenance requirements, and troubleshooting guides.

How to Use

Use the search functionality to quickly find specific information by entering keywords related to the transmission, such as 'gear ratios' or 'fluid specifications'.

Navigate through the document by selecting sections from the table of contents. Each section contains detailed subsections with technical specifications and maintenance guidelines.

Key Specifications

▲

Transmission Type

Manual 5-speed

■

Torque Capacity

Up to 160 lb-ft

●

Number of Gears

5 forward, 1 reverse

◆

Drivetrain

Front-wheel drive

★

Fluid Capacity

Approximately 2 quarts

Available Specifications

Technical Specifications

This section provides detailed technical specifications for the H5 transmission, including gear ratios, torque capacity, and other key metrics.

Gear Ratios

First gear: 3.133
Second gear: 1.904
Third gear: 1.281
Fourth gear: 0.971
Fifth gear: 0.768
Reverse gear: 3.133

Transmission Components

Manual 5-speed transmission
Helical-cut gears
Synchronized gear engagement
Lubricated via transmission fluid
Integrated with limited-slip differential

Performance Capabilities

Torque capacity: Up to 160 lb-ft
Maximum engine speed: 8,000 RPM
Designed for high-performance driving
Optimized for low-end torque and high-end horsepower
Features a lightweight aluminum case

Weight and Dimensions

Transmission weight: Approximately 105 lbs
Length: 17.3 inches
Width: 12.6 inches
Height: 9.8 inches
Mounting points: Compatible with Acura RSX chassis

Maintenance Requirements

This section outlines the recommended maintenance procedures and schedules for the H5 transmission, including fluid changes and inspection intervals.

Fluid Specifications

Recommended fluid: Honda Genuine Manual Transmission Fluid
Capacity: Approximately 2 quarts
Change interval: Every 30,000 to 60,000 miles
Fluid type: 80W-90 gear oil
Fluid purpose: Lubricates gears and synchronizers

Service Intervals

Inspect transmission mounts every 15,000 miles
Check gear oil level every 7,500 miles
Replace gear oil filter every 30,000 miles
Inspect driveshaft and axles every 30,000 miles
Clean or replace transmission pan gasket as needed

Inspection Points

Check for fluid leaks around seals and gaskets
Inspect gear teeth for wear or damage
Check synchronizer rings for proper engagement
Test clutch operation and pedal feel
Verify proper shifting and engagement of gears

Replacement Parts

Gear sets available for replacement
Synchronizer kits for worn synchro rings
Seals and gaskets for fluid leaks
Bearings for worn or damaged units
Clutch kits for complete overhaul

Troubleshooting

This section provides guidance on diagnosing and resolving common issues with the H5 transmission, including noise, slipping, and hard shifting.

Common Issues

Noise during operation
Slipping or hesitation between gears
Hard shifting or difficulty engaging gears
Fluid leaks from the transmission case
Vibrations during acceleration or deceleration

Diagnostic Steps

Check transmission fluid level and condition
Inspect for signs of fluid leaks
Test gear engagement and shifting
Listen for unusual noises during operation
Inspect driveshaft and axles for damage

Repair Considerations

Replace worn or damaged gears
Rebuild or replace synchronizer assemblies
Repair or replace seals and gaskets
Inspect and replace bearings as needed
Consider a complete transmission overhaul for severe damage

Upgrade Options

Install a performance clutch kit
Upgrade to a lightweight flywheel
Add a transmission cooler for high-performance driving
Install sturdier transmission mounts
Upgrade to a limited-slip differential

Search Specifications

Search by specification name, value, or description

Transmission Specifications

Overview

Type: 5-speed manual

Configuration: rear-wheel drive (RWD)

Platform: Honda DC5

Material: aluminum alloy case

Location: front longitudinal

Dimensions

Length: 24.2 in (615 mm)

Width: 15.7 in (400 mm)

Height: 10.6 in (270 mm)

Weight: 105 lbs (47.6 kg)

Gear Ratios: 1st: 3.133, 2nd: 2.108, 3rd: 1.548, 4th: 1.113, 5th: 0.971

Fluid Capacity: 2.1 quarts (2.0 liters)

Oil Type: Honda ATF DW-1

Materials

Transmission Case: aluminum alloy

Gears: high-strength steel

Bearings: steel-caged bearings

Synchronizers: brass with carbon linings

Features

Gear Ratios

Optimized for sport driving
Close-ratio gearing
Final drive ratio: 4.764
Helical-cut gears
Reverse gear ratio: 3.133

Synchronization

Triple-cone synchronizers
Carbon-lined synchronizer rings
Quick gear engagement
Reduced wear on synchros

Bearings

Low-friction bearings
Durable steel cages
Precision-ground surfaces

Mounts

Rubber-mounted transmission
Vibration damping
Stable shifting platform

Clutch

215mm clutch diameter
Ceramic clutch disc
Hydraulic actuation
Self-adjusting clutch

Safety Features

Torque Limiter: Yes, integrated into ECU

Over Speed Protection: Yes

Case Strength: Reinforced aluminum alloy

Comfort Features

Smooth Shifting

Short throw shifter
Precise gear engagement
Light effort required

Noise Reduction

Helical-cut gears
Transmission mounts
Insulated case

Clutch Feel

Light pedal effort
Progressive engagement
Smooth release

Gear Engagement

Positive detents
Clear gear indication
Minimal play

Accessories

Shifter

Leather-wrapped shift knob
Aluminum shift knob
Short throw adapter

Clutch Kit

OEM replacement kit
Performance clutch kit
Alignment tool

Hardware

Mounting bolts
Drain plug
Filler plug

Maintenance

Service interval

Every 30,000 miles (48,000 km)
Every 60,000 miles (96,000 km)
Every 120,000 miles (193,000 km)

Service Items

Transmission fluid change
Inspect clutch operation
Check mounts and bushings
Inspect gear oil level
Clean magnetic drain plug

Maintenance Notes

Use Honda ATF DW-1 fluid only
Avoid over-torquing drain plug
Check for leaks during service

Warranty

Basic: Miles: 36,000 miles
Years: 3 years
Coverage: components and labor

Powertrain: Miles: 60,000 miles
Years: 5 years
Coverage: transmission and internal components

Transmission: Miles: 100,000 miles
Years: 10 years
Coverage: transmission case and gears

Corrosion: Miles: No mileage limit
Years: 5 years
Coverage: perforation due to corrosion

Production Details

Manufacturer: Name: Honda
Location: Japan
Facility: Honda Transmission Mfg. Co., Ltd.

Manufacturing Process

CNC machining
Robotic assembly
Laser welding
Heat treatment
Quality inspection

Quality Control: inspection: Dimensions: 100% dimensional check, Function: End-of-line testing, Leakage: Pressure testing
Certifications: ISO 9001, IATF 16949

Sustainability Practices

Recyclable materials
Low VOC paints
Energy-efficient manufacturing
Waste reduction programs

Production Metrics: Annual Production: Over 50,000 units
Failure Rate: Less than 1%
WarrantyClaims: Lowest in class

Service Information for H5 Transmission Service

Recommended maintenance and service procedures for the H5 transmission

30,000 miles

24 months

Change transmission fluid
Inspect clutch cable and release bearing
Check transmission mounts
Inspect drive shaft CV joints
Drain and clean transmission case

Use Honda ATF DW-1 fluid. Check for leaks around seals.

60,000 miles

48 months

Replace transmission fluid
Inspect synchronizer rings
Check gear engagement
Inspect transmission wiring
Lubricate shifter mechanism

Use genuine Honda parts for replacement. Check for unusual noises.

120,000 miles

96 months

Major service - disassemble and inspect transmission
Replace clutch if worn
Replace bearings if necessary
Replace seals and gaskets
Refurbish or replace synchronizers

Requires specialized tools and expertise. Recommended to be done by certified technician.

Common Questions

Find answers to common questions about torque specifications

What type of transmission fluid should I use for the H5-transmission in a 2002-2006 Acura RSX?

The H5-transmission requires Honda/Acura Genuine MTF (Manual Transmission Fluid) or an equivalent high-quality manual transmission fluid meeting Honda/Acura specifications. The fluid capacity is approximately 1.9 quarts (1.8 liters). Using incorrect fluid can lead to poor shifting performance and potential damage.

What is the gear ratio configuration for the H5-transmission in the 2002-2006 Acura RSX?

The H5-transmission in the 2002-2006 Acura RSX has the following gear ratios: 1st gear - 3.266, 2nd gear - 1.900, 3rd gear - 1.360, 4th gear - 1.034, 5th gear - 0.787, and reverse gear - 3.583. The final drive ratio is 4.388.

How often should the transmission fluid be replaced in the H5-transmission?

Acura recommends replacing the manual transmission fluid in the H5-transmission every 30,000 miles (48,000 kilometers) or every 2 years, whichever comes first. Severe driving conditions may require more frequent service.

What are common symptoms of a failing H5-transmission in the 2002-2006 Acura RSX?

Common symptoms include difficulty shifting gears, grinding noises during gear changes, transmission fluid leaks, and unusual vibrations. If any of these symptoms occur, it is recommended to inspect the transmission and related components immediately.

Can the H5-transmission be rebuilt, or should it be replaced if it fails?

The H5-transmission can be rebuilt if the damage is not extensive. Rebuilding involves replacing worn or damaged components such as synchros, bearings, and seals. However, if the transmission case or internal gears are severely damaged, replacement may be more cost-effective.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

Acura RSX H5-Transmission Service Manual

Coming Soon

Official service manual for the 2002-2006 Acura RSX, including detailed procedures for transmission maintenance and repair.

H5-Transmission Fluid Replacement Guide

Coming Soon

Step-by-step guide for replacing transmission fluid in the H5-transmission, including recommended tools and safety precautions.

Common H5-Transmission Issues and Solutions

Coming Soon

A comprehensive list of common issues with the H5-transmission and recommended solutions, based on real-world cases.

Acura Genuine Parts Catalog

Coming Soon

Official catalog for Acura genuine parts, including transmission components for the 2002-2006 RSX.

Legal Disclaimer

Important information about using this content

Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.

General Information

The information provided on this website is for general informational purposes only. While we strive to maintain accuracy in our content, all specifications, procedures, and technical information should be verified against your vehicle's official service manual or with the manufacturer directly.

Warranty & Liability

The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.

We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.

Technical Information

All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
Vehicle specifications and procedures may vary by model year, trim level, and region.
Always follow the manufacturer's recommended procedures and safety precautions.
Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
If you're unsure about any procedure, consult a qualified professional mechanic.

Intellectual Property

All content, including text, images, and specifications, is protected by copyright and other intellectual property laws. Any unauthorized use or reproduction is prohibited.

About the Author

Expert automotive knowledge and experience

ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

Facebook Contact

15+ Years

Experience

500+ Guides

Guides

50+ Makes

Vehicles

1000+ Solutions

Solutions

Diagnostic

Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.

Repair

Expert in both traditional mechanical repairs and modern vehicle systems.

Additional Expertise

Documentation

Created over 500 detailed repair guides and technical documents.

Training

Conducted technical training sessions and contributed to repair databases.

Certifications & Research

Certifications

ASE Master Technician Certification
Advanced Diagnostic Specialist
Hybrid/Electric Vehicle Systems
Performance Tuning Expert

Research & Community

Actively researches emerging technologies and contributes to automotive forums.