2003 Acura TL Service Manual Download

The 2003 Acura TL Service Manual provides comprehensive technical information for proper maintenance, repair, and servicing of the 2003 Acura TL luxury sedan. This manual covers engine systems (3.2L V6), transmission (automatic/manual), electrical systems, suspension, brakes, steering, climate control, body components, and diagnostic procedures. Below are key sections for technical specifications, maintenance schedules, repair procedures, troubleshooting, and download information.

1. Technical Specifications 2. Maintenance Schedule 3. Engine Systems 4. Transmission Service 5. Electrical Systems 6. Brake System 7. Suspension & Steering 8. Climate Control 9. Body & Interior 10. Diagnostic Codes 11. Troubleshooting Guide

Technical Specifications

Complete technical data for the 2003 Acura TL including engine, transmission, dimensions, and capacities.

Specification	Details
Engine Type	3.2L SOHC V6 VTEC
Horsepower	225 hp @ 5600 rpm
Torque	216 lb-ft @ 4700 rpm
Transmission	5-speed automatic or 6-speed manual
Fuel Capacity	17.1 gallons
Oil Capacity	4.5 quarts (with filter)
Coolant Capacity	7.4 quarts
Brake System	4-wheel disc with ABS
Wheel Size	16-inch alloy wheels
Curb Weight	3,483 lbs

Maintenance Schedule

Recommended maintenance intervals for optimal performance and longevity.

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 plugs: Every 105,000 miles
Timing belt: Every 105,000 miles or 7 years
Brake fluid: Every 3 years regardless of mileage
Coolant: Every 120,000 miles or 10 years

WARNING! Always use genuine Acura parts and fluids for optimal performance and warranty compliance.

Engine Systems

Detailed service procedures for the 3.2L V6 engine and related components.

Engine Removal: Step-by-step procedure for engine removal and installation
Valve Adjustment: Specifications and adjustment procedure
Timing Belt: Replacement procedure and tension specifications
Fuel System: Fuel pump, injectors, and pressure testing
Ignition System: Spark plug replacement and coil testing
Cooling System: Radiator, thermostat, and water pump service
Exhaust System: Manifold, catalytic converter, and muffler service

Transmission Service

Service procedures for automatic and manual transmission systems.

Automatic transmission fluid change: Every 30,000 miles
Manual transmission fluid: Every 30,000 miles
Transmission removal and installation procedures
Shift linkage adjustment for manual transmission
Clutch replacement procedure for manual models
Transmission control module programming

CAUTION! Use only recommended ATF for automatic transmission to prevent damage.

Electrical Systems

Comprehensive electrical system diagnostics and repair procedures.

Battery: Testing, replacement, and charging system diagnostics. Alternator: Output testing and replacement procedure. Starter: Testing and replacement. Lighting: Headlight, taillight, and interior light replacement. Power Accessories: Window, lock, and seat motor service. Instrument Cluster: Gauge testing and bulb replacement. Wiring Diagrams: Complete electrical schematics for all systems.

Brake System

Brake system service, repair, and diagnostic procedures.

Brake pad and rotor replacement procedures
Brake fluid bleeding and system flush
ABS system diagnostics and component testing
Parking brake adjustment and cable replacement
Brake booster testing and replacement
Master cylinder service and bench bleeding

Tip: Always replace brake components in axle sets for balanced braking performance.

Suspension & Steering

Front and rear suspension service with alignment specifications.

Strut and shock absorber replacement
Control arm and bushing replacement
Stabilizer bar and link replacement
Wheel bearing replacement and adjustment
Power steering system service and pump replacement
Wheel alignment specifications and procedures
Tie rod end replacement and adjustment

WARNING! Always perform wheel alignment after suspension component replacement.

Climate Control

HVAC system service, repair, and refrigerant handling procedures.

Body & Interior

Body panel replacement, interior trim, and accessory service procedures.

CAUTION! Follow proper safety procedures when working with airbag systems and seat belt pretensioners.

Diagnostic Codes

Complete list of OBD-II diagnostic trouble codes and troubleshooting procedures.

Troubleshooting Guide

Symptom	Possible Cause	Corrective Action
Engine won't start	Battery, starter, fuel pump	Check battery voltage; test starter; verify fuel pressure.
Poor acceleration	Clogged filter, fuel pump	Replace air filter; test fuel pressure; check throttle position sensor.
Transmission slipping	Low fluid, worn clutch	Check fluid level and condition; test transmission pressure.
Brake vibration	Warped rotors	Resurface or replace brake rotors; check caliper operation.
Electrical issues	Battery, alternator	Test battery and charging system; check grounds and connections.

Reset Procedures: Maintenance light reset, ECM reset, and adaptation procedures.

Technical Support: Contact Acura customer service at 1-800-382-2238 or visit acura.com