The 2004 Acura TL is a luxury sports sedan featuring a 3.2L V6 engine, 5-speed automatic transmission, advanced safety systems, and premium interior amenities. This comprehensive repair manual covers maintenance procedures, troubleshooting, component replacement, and technical specifications for proper servicing and repair of your vehicle.
Technical specifications and component details for the 2004 Acura TL.
| Specification | Details |
|---|---|
| Engine Type | 3.2L SOHC V6 VTEC |
| Horsepower | 270 hp @ 6200 rpm |
| Torque | 238 lb-ft @ 5000 rpm |
| Transmission | 5-speed automatic with Sequential SportShift |
| 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 | 3583 lbs |
| Wheelbase | 108.1 inches |
Recommended maintenance intervals for optimal vehicle performance and longevity.
WARNING! Always use genuine Acura parts and fluids for optimal performance and warranty compliance.
Comprehensive engine service procedures and component specifications.
CAUTION! Always disconnect battery before performing electrical work. Allow engine to cool completely before servicing.
Brake system maintenance, repair procedures, and safety checks.
Front Brakes: 11.8-inch ventilated discs, dual-piston calipers. Rear Brakes: 11.1-inch solid discs, single-piston calipers.
Brake Pad Replacement: Remove wheels, caliper bolts, compress pistons, install new pads, reassemble. Brake Rotor Service: Minimum thickness 0.94 inches front, 0.35 inches rear. ABS System: Wheel speed sensor testing, hydraulic modulator service, bleeding procedure.
Front and rear suspension components and steering system service.
Tip: Always perform wheel alignment after suspension component replacement.
Electrical system diagnostics, wiring diagrams, and component testing.
WARNING! Disconnect battery before electrical work. Use proper circuit testing equipment.
Climate control system service and refrigerant handling procedures.
AC Compressor: Replacement procedure and clutch gap adjustment. Heater Core: Dash removal and core replacement. Refrigerant: R-134a capacity 1.54 lbs. Blower Motor: Located under passenger side dash. Temperature Control: Dual-zone automatic climate control diagnostics.
Body panel repair, interior component service, and trim replacement.
CAUTION! Use proper trim removal tools to avoid damage to plastic components.
OBD-II diagnostic trouble codes and troubleshooting procedures specific to 2004 Acura TL.
| Code | Description | Possible Causes |
|---|---|---|
| P0300 | Random/Multiple Cylinder Misfire | Ignition coils, spark plugs, fuel injectors |
| P0420 | Catalyst System Efficiency Below Threshold | Catalytic converter, oxygen sensors |
| P1259 | VTEC System Malfunction | VTEC solenoid, oil pressure, ECM |
| P0700 | Transmission Control System Malfunction | TCM, transmission sensors |
| P1456 | EVAP Control System Leak Detected | Gas cap, EVAP canister, purge valve |
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Engine won't start | Battery, starter, ignition | Check battery voltage, test starter, verify spark and fuel delivery |
| Transmission slipping | Low fluid, worn clutches | Check fluid level and condition, test line pressure |
| Brake vibration | Warped rotors | Resurface or replace brake rotors, check calipers |
| Overheating | Cooling system | Check thermostat, water pump, radiator, coolant level |
| Electrical issues | Battery, alternator | Test charging system, check grounds and connections |
Reset: Disconnect battery for 10 minutes to reset ECU if needed.
Service: Contact Acura dealer or certified technician for complex repairs.