Acura TL 2004-2008

Acura TL 2004-2008 Drivetrain Specifications

Detailed technical specifications and documentation for the 2004-2008 Acura TL drivetrain system, including transmission, differential, driveshaft, axles, and maintenance procedures.

Updated Oct 24, 2023

Drivetrain Specifications Overview Specifications

This document provides a comprehensive overview of the drivetrain specifications for the 2004-2008 Acura TL. It includes detailed information on engine, transmission, drivetrain components, and performance metrics. Use this guide to understand the technical aspects of the vehicle's drivetrain system, identify key components, and reference specifications for maintenance or upgrades.

How to Use

To find specific information, use the search functionality by typing keywords such as 'engine specs' or 'transmission type' in the search bar. Results will highlight relevant sections and subsections.

Navigate through the document by selecting sections from the table of contents. Each section is divided into subsections with detailed technical points. Use the quick reference section for key specifications at a glance.

Key Specifications

▲

Engine Type

3.2L V6

■

Horsepower

258 HP @ 6,200 rpm

●

Torque

233 lb-ft @ 5,000 rpm

◆

Transmission

5-speed automatic or 6-speed manual

★

Drivetrain

FWD or SH-AWD

Available Specifications

Engine Specifications

This section provides detailed information about the engine configurations available for the 2004-2008 Acura TL, including technical specifications and performance metrics.

Engine Overview

3.2L SOHC VTEC V6 engine
24-valve configuration
Dual-stage induction system
Variable Valve Timing and Lift Electronic Control (VTEC)
Horsepower: 258 HP @ 6,200 rpm
Torque: 233 lb-ft @ 5,000 rpm

Technical Specifications

Displacement: 3.2 liters (195 cu in)
Cylinders: 6
Bore and stroke: 89mm x 86mm
Compression ratio: 11.0:1
Fuel type: Premium unleaded gasoline

Transmission Specifications

This section outlines the transmission options available for the 2004-2008 Acura TL, including automatic and manual transmission details.

Transmission Overview

5-speed automatic transmission with Sequential SportShift
6-speed manual transmission (2004-2006)
Bore and stroke: 89mm x 86mm
Torque converter with lock-up control
Grade logic control for uphill and downhill driving

Technical Specifications

Automatic transmission gear ratios: 3.539, 2.003, 1.334, 1.000, 0.669
Manual transmission gear ratios: 3.133, 1.900, 1.281, 0.972, 0.763
Final drive ratio: 4.533 (automatic), 4.765 (manual)
Clutch diameter (manual): 8.66 inches

Drivetrain System

This section details the drivetrain components and systems used in the 2004-2008 Acura TL, including drivetrain types and advanced features.

Drivetrain Overview

Front-wheel drive (FWD) standard
Super Handling All-Wheel Drive (SH-AWD) optional
Helical limited-slip differential (SH-AWD models)
Electric power steering with variable assist
4-wheel disc brakes with ABS

SH-AWD System

Active torque distribution between front and rear axles
Up to 70% of torque can be transferred to rear wheels
Independent torque transfer to left and right rear wheels
Weight transfer reduction during cornering
Improved traction and stability in all driving conditions

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Component Specifications

Overview

Type: All-Wheel Drive (SH-AWD) and Front-Wheel Drive (FWD)

Configuration: Transversely mounted front engine with driveshaft to rear differential

Platform: Acura TL (UA6/UA7 chassis)

Material: High-strength steel and aluminum components

Location: Front-engine, front-wheel drive or all-wheel drive

Dimensions

Wheelbase: 105.1 in (267 cm)

Front Track: 59.8 in (151.9 cm)

Rear Track: 60.2 in (152.9 cm)

Driveshaft Length: 64.0 in (162.6 cm)

Differential Housing Size: 8.0 in (203.2 mm)

Transmission Length: 24.0 in (609.6 mm)

Axle Shaft Diameter: 1.5 in (38.1 mm)

Materials

Driveshaft: High-strength steel with heat-treated joints

Axle Shafts: Forged steel with induction-hardened splines

Differential Housing: Aluminum alloy with reinforced mounting points

Transmission Case: Aluminum alloy with steel reinforcement inserts

Features

Drivetrain Features

SH-AWD (Super Handling All-Wheel Drive)
Torque vectoring capability
Electronic limited-slip differential
Driver-selectable traction modes
Real-time torque distribution

Transmission Features

5-speed automatic with SportShift paddles
Grade logic control for uphill/downhill driving
Lock-up torque converter for improved fuel efficiency
Adaptive shift control with driver behavior learning

All Wheel Drive Features

Active torque distribution
Yaw control system
Cornering traction enhancement
Snow mode for improved traction

Suspension Features

MacPherson strut front suspension
Multi-link rear suspension
Stabilizer bars front and rear
Shock absorbers with automatic damping control

Safety Features

Traction Control

Advanced traction control system
Electronic stability control (ESC)
Vehicle stability assist (VSA)
Anti-slip regulation (ASR)

Braking System

4-wheel disc brakes with ABS
Electronic brake force distribution (EBD)
Brake assist system
Hill start assist

Airbag System

Dual front airbags
Front side airbags
Side curtain airbags
Driver's knee airbag

Comfort Features

Seating

Leather-trimmed seats
Heated front seats
8-way power driver's seat
4-way power passenger seat

Climate Control

Dual-zone automatic climate control
Air quality sensor
Rear seat vents
Humidity control

infotainment

Premium audio system with 8 speakers
CD/DVD player
XM satellite radio
Auxiliary input jack

Accessories

Tires

Michelin Pilot HX MXM4 P235/45R17
Bridgestone Turanza EL42 P235/45R17
Continental ContiProContact P235/45R17

Wheels

17x7.5 aluminum alloy wheels
Optional 18x8.0 forged aluminum wheels
Wheel locks
Spare tire kit

Towing

Class I trailer hitch
Trailer harness kit
Tow hook kit
Load-leveling suspension kit

Maintenance

Service interval: 5,000 - 7,500 miles

Service Items

Oil and filter change
Tire rotation
Drivetrain inspection
Brake pad inspection
Fluid level check

Maintenance Notes: Follow recommended maintenance schedule for optimal performance and longevity.

Warranty

Basic Warranty: Miles: 50,000
Years: 4
Coverage: Bumper-to-bumper

Powertrain Warranty: Miles: 70,000
Years: 6
Coverage: Engine, transmission, drivetrain

Rust Warranty: Miles: Unlimited
Years: 5
Coverage: Perforation of body panels

Emissions Warranty: Miles: 50,000
Years: 4
Coverage: Emissions-related components

Production Details

Manufacturer: Honda Motor Company, Ltd.

Manufacturing Process

Robotic welding for chassis assembly
Computer-controlled machining for precision components
Laser cutting for high-accuracy parts
Automated paint application and curing

Quality Control: inspections: Multi-stage quality checks
Testing: Dynamic testing on test rigs
Certification: Final vehicle inspection and certification

Sustainability Practices

Use of recyclable materials
Reduced emissions during manufacturing
Energy-efficient production processes

Production Metrics: Units Per Year: Approximately 70,000 units
Assembly Line Speed: 12 units per hour
Manpower: Over 1,000 production staff
Factory Size: 1.5 million square feet

Service Information for Drivetrain Service

Maintenance and service requirements specific to this component

5,000 - 7,500

Oil and filter change
Tire rotation
Drivetrain inspection
Brake pad inspection
Fluid level check

Standard maintenance interval for normal driving conditions.

15,000

Air filter replacement
Cabin air filter replacement
Belts and hoses inspection
Suspension and steering inspection
Battery test

Intermediate service for moderate driving conditions.

30,000

Transmission fluid change
Drivetrain fluid inspection
Wheel bearing check
Steering system inspection
Brake system inspection

Major service interval for high-mileage or extreme driving conditions.

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of drivetrain does the 2004-2008 Acura TL use?

The 2004-2008 Acura TL is equipped with a front-wheel-drive (FWD) system. It features a 5-speed automatic transmission with Sequential SportShift and a 3.2L V6 engine, producing 258-286 horsepower depending on the model year and trim.

What is the gear ratio of the 2004-2008 Acura TL's transmission?

The 5-speed automatic transmission in the 2004-2008 Acura TL has the following gear ratios: 1st gear - 2.697, 2nd gear - 1.606, 3rd gear - 1.071, 4th gear - 0.765, 5th gear - 0.545, and Reverse - 2.000. The final drive ratio is 4.437.

What type of differential is used in the 2004-2008 Acura TL?

The 2004-2008 Acura TL uses an open differential as standard. However, the Type-S trim (2007-2008) features a helical limited-slip differential (LSD) to improve traction and handling during cornering.

What is the recommended transmission fluid for the 2004-2008 Acura TL?

Honda/Acura ATF-Z1 or DW-1 automatic transmission fluid is recommended for the 5-speed automatic transmission. Using the correct fluid is critical to ensure proper operation and longevity of the transmission.

How often should the drivetrain components be inspected?

Drivetrain components, including the transmission, driveshaft, and differential, should be inspected every 30,000 miles or as specified in the owner's manual. Regular inspections help identify wear, leaks, or damage early, preventing costly repairs.

Can the 2004-2008 Acura TL be converted to all-wheel drive (AWD)?

No, the 2004-2008 Acura TL is designed exclusively for front-wheel drive (FWD). Converting it to AWD would require extensive modifications, including a new transmission, differential, and drivetrain components, which is not recommended due to cost and complexity.

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 TL Service Manual: Drivetrain Section

Coming Soon

Official service manual detailing drivetrain maintenance, repair procedures, and specifications for the 2004-2008 Acura TL.

Transmission Fluid Replacement Guide

Coming Soon

Step-by-step guide for replacing and refilling transmission fluid in the 2004-2008 Acura TL, including fluid type and capacity specifications.

Limited-Slip Differential Maintenance Tips

Coming Soon

Detailed instructions for maintaining and servicing the helical limited-slip differential (LSD) in the 2007-2008 Acura TL Type-S.

Drivetrain Inspection Checklist

Coming Soon

Comprehensive checklist for inspecting drivetrain components, including the transmission, driveshaft, and differential, to ensure optimal performance.

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