2005 Acura RL Service Manual

The 2005 Acura RL Service Manual provides comprehensive technical information for servicing and maintaining the 2005 Acura RL luxury sedan. This manual covers engine specifications, transmission systems, electrical systems, suspension, brakes, steering, climate control, and diagnostic procedures. The vehicle features a 3.5L V6 engine, 5-speed automatic transmission with Sequential SportShift, Vehicle Stability Assist, and premium audio system. Below are key sections for maintenance, specifications, troubleshooting, and repair procedures.

1. Vehicle Specifications 2. Maintenance Schedule 3. Engine Systems 4. Transmission 5. Electrical Systems 6. Suspension & Steering 7. Brake Systems 8. Climate Control 9. Diagnostic Procedures 10. Safety Information 11. Troubleshooting

Vehicle Specifications

Technical specifications for the 2005 Acura RL including dimensions, capacities, and performance data.

SpecificationDescription
Engine Type3.5L SOHC V6 VTEC
Displacement3,471 cc (211.8 cu in)
Horsepower290 hp @ 6,200 rpm
Torque256 lb-ft @ 5,000 rpm
Transmission5-speed automatic with SportShift
DrivetrainFront-wheel drive
Fuel Capacity18.5 gallons
Curb Weight3,891 lbs
Overall Length194.6 inches
Wheelbase110.2 inches

Maintenance Schedule

Recommended maintenance intervals for optimal vehicle performance and longevity.

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

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

Engine Systems

Detailed information on engine components, service procedures, and specifications.

  1. Engine removal and installation procedures
  2. Cylinder head service and valve adjustment
  3. Timing belt replacement (every 105,000 miles)
  4. Fuel system service and injector cleaning
  5. Ignition system diagnosis and repair
  6. Emission control systems maintenance

CAUTION! Always disconnect battery before performing electrical work. Use proper lifting equipment for engine removal.

Transmission

Electrical Systems

Comprehensive electrical system information including wiring diagrams and component locations.

Battery: 12V, 70Ah capacity. Alternator: 130A output. Starter: 1.4kW.

Fuse box locations: Under-hood main fuse box, interior fuse panel under dashboard. Wiring color codes: RED (power), BLK (ground), BLU (lights), GRN (sensors). Diagnostic connector: OBD-II port under dashboard.

Suspension & Steering

Front and rear suspension systems with power steering maintenance.

  1. Front suspension: Double wishbone with coil springs
  2. Rear suspension: Multi-link with coil springs
  3. Shock absorber replacement procedures
  4. Wheel alignment specifications
  5. Power steering system service
  6. Stabilizer bar and bushing replacement

Tip: Always check wheel alignment after suspension component replacement.

Brake Systems

Four-wheel disc brakes with ABS and Vehicle Stability Assist.

  1. Front brake pads: Inspection and replacement
  2. Rear brake pads: Service procedures
  3. Brake rotor machining and replacement
  4. ABS module diagnosis and service
  5. Brake fluid bleeding procedure
  6. Parking brake adjustment

WARNING! Always use new brake fluid from sealed containers. Never reuse brake fluid.

Climate Control

Automatic climate control system service and repair.

Refrigerant: R-134a, Capacity: 1.38 lbs. Compressor: Variable displacement. Control head: Digital automatic temperature control. Blower motor: Three-speed with resistor pack.

Diagnostic Procedures

Using OBD-II system for trouble code retrieval and system diagnosis.

CAUTION! Always follow proper safety procedures when working with diagnostic equipment.

Safety Information

Important safety precautions for vehicle service and repair.

Always use jack stands when working under vehicle. Disable airbag system before working on steering column. Properly handle and dispose of fluids. Use personal protective equipment.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startBattery/ignition/fuelCheck battery voltage; test ignition system; verify fuel delivery.
Transmission slippingFluid level/solenoidsCheck fluid level and condition; test shift solenoids; scan for codes.
ABS warning lightSensor/wiringScan ABS module for codes; check wheel speed sensors and wiring.
OverheatingCoolant/thermostatCheck coolant level and condition; test thermostat; inspect radiator.
Electrical issuesBattery/alternatorLoad test battery; check alternator output; inspect grounds.

Reset: Clear codes via OBD-II scanner after repairs.

Service: Contact Acura dealer or certified technician for complex issues.

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