2015 Acura TLX Service Manual

The 2015 Acura TLX Service Manual provides comprehensive technical information for maintenance, repair, and service procedures for the Acura TLX model year 2015. This manual covers engine systems (2.4L and 3.5L V6), transmission (8-speed DCT and 9-speed automatic), chassis, electrical systems, body, and accessories. Below are key sections for maintenance schedules, technical specifications, troubleshooting, and repair procedures.

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

Maintenance Schedule

Recommended service intervals for optimal performance and longevity.

Service IntervalRequired Maintenance
7,500 miles/12 monthsOil and filter change, tire rotation, fluid inspection
15,000 miles/12 monthsReplace engine air filter, inspect brake system
30,000 miles/24 monthsReplace cabin air filter, inspect drive belts
60,000 miles/48 monthsReplace spark plugs, transmission fluid service
105,000 miles/84 monthsReplace timing belt (3.5L V6), coolant replacement

Engine Systems

Service procedures for 2.4L inline-4 and 3.5L V6 engines.

  1. Oil change procedure: Drain plug torque 30 ft-lbs, filter torque 22 ft-lbs
  2. Spark plug replacement: Gap 0.039-0.043 inches, torque 13 ft-lbs
  3. Timing belt replacement (3.5L V6): Align marks, tensioner adjustment
  4. Cooling system: Burp procedure, thermostat replacement
  5. Fuel system: Fuel filter service, injector cleaning

WARNING! Always disconnect battery before servicing electrical components. Allow engine to cool before opening cooling system.

Transmission Service

Service procedures for 8-speed DCT and 9-speed automatic transmissions.

  1. Fluid change: Use Honda ATF DW-1, capacity 3.1 quarts
  2. Filter replacement: Internal/external filter service intervals
  3. Adaptation reset: Required after fluid service
  4. Shift solenoid testing: Resistance specifications and testing

CAUTION! Use only specified transmission fluid. Incorrect fluid can cause transmission damage.

Brake Systems

Electrical Systems

Battery, charging, starting systems and wiring diagrams.

Battery: 12V 60Ah, replacement procedure, terminal torque 70 in-lbs

Alternator: Output 150A, testing procedures, replacement

Starter: Draw test specifications, solenoid testing

Fuse Boxes: Under-hood and interior fuse locations and ratings

Lighting: Headlight adjustment, bulb replacement procedures

Suspension & Steering

Front MacPherson strut and rear multi-link suspension service.

  1. Strut replacement: Spring compressor required, alignment necessary
  2. Control arms: Bushing inspection and replacement
  3. Steering system: Power steering fluid type and bleeding
  4. Wheel alignment: Specifications and adjustment procedures

Tip: Always perform wheel alignment after suspension component replacement.

HVAC System

Heating, ventilation, and air conditioning service procedures.

  1. AC refrigerant: R-1234yf, capacity 14.1-15.9 oz
  2. Compressor replacement: Evacuation and recharge required
  3. Blower motor: Removal and testing procedures
  4. Heater core: Replacement requires dashboard removal

WARNING! AC system contains high pressure. Use proper safety equipment when servicing.

Body & Interior

Body panel replacement, interior trim, and accessory installation.

Technical Specifications

Complete technical data and torque specifications.

CAUTION! Always use torque wrench for critical fasteners. Overtightening can cause component failure.

Diagnostic Trouble Codes

OBD-II codes and diagnostic procedures for common issues.

Troubleshooting Guide

SymptomPossible CauseCorrective Action
Engine won't startBattery, starter, fuel pumpCheck battery voltage, fuel pressure, starter operation
Transmission shifting hardFluid level, solenoidsCheck fluid level and condition, test shift solenoids
Brake vibrationWarped rotors, tire balanceMeasure rotor runout, check tire balance
AC not coolingRefrigerant charge, compressorCheck refrigerant pressure, compressor clutch operation
Electrical issuesBattery, alternator, groundsLoad test battery and alternator, check ground connections

Reset Procedures: Maintenance minder reset, transmission adaptation

Technical Support: Acura Technical Information System (TIS)

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