2003 Acura TL Repair Manual PDF

The 2003 Acura TL Repair Manual provides comprehensive technical information for the 3.2L V6 engine model, covering maintenance, diagnostics, and repair procedures. This manual includes engine mechanical systems, transmission (automatic and manual), suspension, steering, brakes, electrical systems, heating and air conditioning, body components, and wiring diagrams. Below are key sections for specifications, maintenance schedules, troubleshooting, and repair procedures.

1. Vehicle Specifications 2. Maintenance Schedule 3. Engine Systems 4. Transmission 5. Suspension & Steering 6. Brake Systems 7. Electrical Systems 8. Heating & AC 9. Body & Interior 10. Troubleshooting 11. Wiring Diagrams

Vehicle Specifications

Key technical data for the 2003 Acura TL with 3.2L V6 engine.

Specification	Details
Engine Type	3.2L SOHC V6
Horsepower	225 hp @ 6200 rpm
Torque	216 lb-ft @ 5000 rpm
Transmission	5-speed automatic or 6-speed manual
Fuel System	Programmed Fuel Injection (PGM-FI)
Brake System	4-wheel disc with ABS
Suspension	4-wheel independent double-wishbone
Fuel Capacity	17.1 gallons
Curb Weight	3485 lbs (automatic)
Wheelbase	108.1 inches

Maintenance Schedule

Recommended service intervals for optimal performance.

Oil and filter change: Every 7,500 miles or 12 months
Air filter replacement: Every 30,000 miles
Spark plugs: Replace every 105,000 miles
Timing belt: Replace every 105,000 miles
Brake fluid: Replace every 3 years
Transmission fluid: Replace every 30,000 miles (automatic)
Coolant: Replace every 10 years or 120,000 miles

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

Engine Systems

Detailed repair procedures for the 3.2L V6 engine.

Engine Removal: Step-by-step procedure with torque specifications
Cylinder Head: Removal, inspection, and installation
Timing Belt: Replacement procedure and alignment marks
Valve Adjustment: Cold adjustment procedure
Fuel System: Fuel pump, injectors, and pressure testing
Ignition System: Spark plugs, coils, and distributor
Cooling System: Radiator, thermostat, and water pump
Exhaust System: Manifolds and catalytic converter

Transmission

Automatic and manual transmission service procedures.

Automatic transmission fluid change and filter replacement
Manual transmission clutch replacement procedure
Shift linkage adjustment for precise shifting
Transmission removal and installation steps
Differential service and fluid specifications

CAUTION! Use only Honda ATF-Z1 for automatic transmission fluid changes.

Suspension & Steering

Front and rear suspension components and steering system.

Component	Service Procedure
Struts/Shocks	Replacement and alignment specifications
Control Arms	Bushing replacement and ball joint inspection
Stabilizer Bars	Linkage and bushing replacement
Power Steering	Pump replacement and fluid bleeding
Wheel Bearings	Replacement and torque specifications
Alignment	Factory specifications and adjustment procedures

Brake Systems

Disc brake service and ABS system diagnostics.

Front brake pad and rotor replacement
Rear brake service procedures
Brake fluid bleeding and system flushing
ABS component testing and replacement
Parking brake adjustment
Brake hose and line replacement

WARNING! Always bleed brakes properly to prevent air in the system.

Electrical Systems

Battery, charging, starting, and accessory systems.

Battery: Testing and replacement procedures
Alternator: Output testing and replacement
Starter: Removal and installation
Lighting: Headlight, taillight, and bulb replacement
Fuses & Relays: Location diagrams and testing
Power Windows: Motor and regulator replacement
Power Locks: Actuator replacement procedures

Heating & AC

Climate control system service and repair.

AC compressor replacement and refrigerant handling
Heater core replacement procedure
Blower motor and resistor replacement
AC system evacuation and recharge
Climate control panel diagnosis

CAUTION! AC system service requires proper certification and equipment.

Body & Interior

Exterior and interior component repair procedures.

Component	Service Information
Bumpers	Removal and installation steps
Doors	Panel removal and window regulator
Seats	Removal and track repair
Dashboard	Disassembly for component access
Glass	Windshield and window replacement

Troubleshooting

Common issues and diagnostic procedures.

Symptom	Possible Cause	Corrective Action
Engine won't start	Battery, starter, fuel pump	Check battery voltage, starter operation, fuel pressure
Transmission slipping	Low fluid, worn clutches	Check fluid level and condition, pressure test
Brake vibration	Warped rotors	Inspect and replace rotors, check calipers
Electrical issues	Bad grounds, fuses	Check ground connections, test fuses and relays
Overheating	Thermostat, water pump	Test thermostat, check coolant flow and pump

Wiring Diagrams

Complete electrical schematics for all systems.

Engine control module wiring diagrams
Transmission control system schematics
ABS and traction control wiring
Lighting and accessory circuits
Climate control system wiring
Audio and navigation system diagrams
Power distribution and ground locations

Note: All wiring diagrams include color codes and connector locations.