2003 Acura TL Repair Manual Download

The 2003 Acura TL Repair Manual provides comprehensive technical information for maintenance, repair, and troubleshooting of the 2003 Acura TL model. This manual covers engine systems, transmission, suspension, brakes, electrical systems, heating and air conditioning, body components, and routine maintenance procedures. Below are key sections for technical specifications, maintenance schedules, repair procedures, troubleshooting, and download information.

1. Technical Specifications 2. Maintenance Schedule 3. Engine Repair Procedures 4. Transmission Service 5. Brake System 6. Electrical Systems 7. Suspension & Steering 8. Heating & AC 9. Body & Interior 10. Troubleshooting Guide 11. Download Information

Technical Specifications

Key technical data for the 2003 Acura TL including engine specifications, dimensions, capacities, and performance metrics.

Specification	Details
Engine Type	3.2L V6 SOHC VTEC
Horsepower	225 hp @ 5600 rpm
Torque	216 lb-ft @ 4700 rpm
Transmission	5-speed automatic with SportShift
Fuel Capacity	17.1 gallons
Curb Weight	3,483 lbs
Wheelbase	108.1 inches
Brake System	4-wheel disc with ABS
Fuel Economy	19 city / 28 highway mpg
Oil Capacity	4.5 quarts with filter

Maintenance Schedule

Recommended maintenance intervals and service requirements for optimal vehicle performance.

Oil and filter change: Every 7,500 miles or 12 months
Tire rotation: Every 7,500 miles
Air filter replacement: Every 30,000 miles
Spark plug replacement: Every 105,000 miles
Transmission fluid: Every 30,000 miles
Brake fluid: Every 3 years regardless of mileage
Coolant replacement: Every 120,000 miles or 10 years

IMPORTANT! Follow manufacturer recommendations for severe driving conditions.

Engine Repair Procedures

Step-by-step instructions for common engine repairs and maintenance tasks.

Spark plug replacement: Remove ignition coils, replace plugs with proper torque
Timing belt service: Recommended at 105,000 miles
Valve adjustment: Check every 105,000 miles
Oil pan gasket replacement: Drain oil, remove pan, replace gasket
Water pump replacement: Replace with timing belt service

WARNING! Always disconnect battery before performing electrical work.

Transmission Service

Automatic transmission maintenance and repair procedures.

Fluid Change: Use only Honda/Acura ATF
Filter Replacement: Replace with fluid change
Shift Solenoid: Diagnostic and replacement procedures
Transmission Mount: Inspection and replacement guidelines
SportShift Operation: Manual mode operation and troubleshooting

Brake System

Complete brake system service and repair information.

Brake pad replacement: Front and rear procedures
Rotor service: Measurement specifications and replacement
ABS system: Diagnostic trouble codes and component testing
Brake bleeding: Proper procedure for system bleeding
Parking brake: Adjustment and cable replacement

SAFETY NOTE: Always use proper jack stands when working under vehicle.

Electrical Systems

Wiring diagrams, component locations, and electrical troubleshooting.

System	Components	Testing Procedures
Starting System	Battery, starter, alternator	Voltage drop testing, current draw
Charging System	Alternator, voltage regulator	Output testing, diode pattern
Lighting System	Headlights, taillights, signals	Circuit testing, bulb replacement
Power Accessories	Windows, locks, seats	Motor testing, switch diagnosis
ECU Systems	Engine control unit, sensors	DTC reading, sensor testing

Suspension & Steering

Front and rear suspension components and steering system repair.

Strut replacement: Front and rear strut procedures
Control arm bushing: Inspection and replacement
Ball joint service: Wear inspection and replacement
Power steering: Fluid service and pump replacement
Wheel alignment: Specifications and adjustment procedures

Heating & AC

Climate control system maintenance and repair.

AC Compressor: Replacement and clutch service
Blower Motor: Removal and testing procedures
Heater Core: Replacement requiring dashboard removal
Refrigerant: R134a capacity and charging procedures
Climate Control: Automatic temperature control diagnosis

Body & Interior

Body panel replacement, interior component service, and trim repair.

Door panel removal: Access to window regulators and locks
Dashboard service: Instrument cluster and center console
Seat removal: Front and rear seat procedures
Exterior trim: Moldings and emblems replacement
Glass replacement: Windshield and window procedures

Troubleshooting Guide

Common problems and diagnostic procedures for the 2003 Acura TL.

Symptom	Possible Cause	Corrective Action
Engine misfire	Spark plugs, coils, fuel injectors	Check ignition components, fuel pressure
Transmission slipping	Low fluid, worn clutches	Check fluid level and condition, pressure test
Brake vibration	Warped rotors, worn pads	Inspect rotors, replace if out of spec
Electrical issues	Battery, alternator, grounds	Test charging system, check ground connections
AC not cooling	Refrigerant leak, compressor	Check pressures, leak test system

Download Information

The complete 2003 Acura TL Repair Manual is available for download in PDF format. This digital manual includes all sections with detailed illustrations, wiring diagrams, and step-by-step repair procedures.

File Format: PDF

File Size: Approximately 85 MB

Pages: 1,200+ pages

Compatibility: Windows, Mac, iOS, Android

Update: Latest revision includes TSB updates through 2005

For technical support or additional automotive resources, visit www.acuraoemparts.com or contact Acura customer service at 1-800-382-2238.