2014 Acura MDX Repair Manual

The 2014 Acura MDX Repair Manual provides comprehensive technical information for servicing and maintaining the 3.5L V6 engine, 6-speed automatic transmission, SH-AWD system, electronic systems, and all mechanical components. This manual covers diagnostic procedures, repair instructions, maintenance schedules, and troubleshooting guides for the third-generation MDX luxury SUV. Below are key sections for technical specifications, maintenance procedures, diagnostic troubleshooting, and repair instructions.

1. Vehicle Specifications 2. Maintenance Schedules 3. Engine Systems 4. Transmission & Drivetrain 5. Electrical Systems 6. Brake Systems 7. Suspension & Steering 8. Heating & AC 9. Body & Interior 10. Diagnostic Procedures 11. Troubleshooting Guide

Vehicle Specifications

Key technical data for the 2014 Acura MDX with 3.5L V6 engine and SH-AWD system.

Specification	Description
Engine Type	3.5L SOHC i-VTEC V6
Displacement	3,471 cc (211.8 cu in)
Horsepower	290 hp @ 6,200 rpm
Torque	267 lb-ft @ 4,500 rpm
Transmission	6-speed automatic with Sequential SportShift
Drivetrain	Super Handling All-Wheel Drive (SH-AWD)
Fuel System	PGM-FI (Programmed Fuel Injection)
Brake System	4-wheel disc with ABS, VSA
Suspension	Amplitude Reactive Dampers
Fuel Capacity	19.5 gallons

Maintenance Schedules

Recommended service intervals and maintenance procedures.

Oil and filter change: Every 7,500 miles or 12 months
Tire rotation: Every 7,500 miles
Air filter replacement: Every 30,000 miles
Transmission fluid: Every 60,000 miles
Spark plugs: Every 105,000 miles
Brake fluid: Every 3 years regardless of mileage
Coolant replacement: Every 120,000 miles or 10 years

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

Engine Systems

Detailed repair procedures for the 3.5L V6 engine and related components.

Engine Removal: Complete step-by-step procedure with torque specifications
Cylinder Head: Removal, inspection, and installation procedures
Timing Belt: Replacement interval and installation procedure
Fuel System: Fuel pump replacement, injector service, pressure testing
Ignition System: Spark plug replacement, coil testing procedures
Cooling System: Radiator replacement, thermostat service, coolant bleeding
Exhaust System: Catalytic converter inspection, manifold replacement

Transmission & Drivetrain

Service procedures for automatic transmission and SH-AWD system.

Transmission Service: Fluid change procedure, filter replacement, shift solenoid testing.

SH-AWD System: Rear differential service, torque transfer unit maintenance, system diagnostics.

Transmission: Fluid level check procedure, shift cable adjustment, valve body service. Drivetrain: Drive shaft removal, CV joint service, rear differential fluid change. Transfer Case: Fluid specifications, service procedures, diagnostic trouble codes.

Electrical Systems

Wiring diagrams, component locations, and electrical troubleshooting.

Battery: Testing procedures, replacement guidelines
Charging System: Alternator testing, voltage regulator service
Starting System: Starter motor testing, solenoid replacement
Lighting Systems: Headlight adjustment, bulb replacement procedures
ECU Systems: PCM location, programming procedures, sensor testing

Tip: Always disconnect battery before performing electrical repairs to prevent short circuits.

Brake Systems

Complete brake system service and repair procedures.

Brake Pad Replacement: Front and rear pad replacement with bedding procedure
Rotor Service: Machining specifications, replacement guidelines
ABS System: Wheel speed sensor testing, hydraulic modulator service
Brake Fluid: Bleeding procedure, fluid specification requirements
Parking Brake: Cable adjustment, rear caliper service
Brake Booster: Testing procedures, replacement guidelines
Master Cylinder: Bench bleeding, installation procedure

WARNING! Always test brake system operation before road testing vehicle.

Suspension & Steering

Front and rear suspension service, alignment procedures.

Front Suspension: Strut replacement, control arm service, ball joint inspection. Rear Suspension: Multi-link system service, shock absorber replacement. Steering System: Power steering pump service, rack and pinion inspection, tie rod replacement. Wheel Alignment: Specifications, adjustment procedures, diagnostic tips.

Heating & AC

Climate control system service and repair procedures.

AC System: Refrigerant recovery and recharge, compressor service, condenser replacement. Heating System: Heater core replacement, blend door actuator service. Climate Control: Automatic temperature control diagnosis, sensor testing procedures.

Body & Interior

Body panel replacement, interior component service.

CAUTION! Follow proper safety procedures when working with airbag systems and pyrotechnic devices.

Diagnostic Procedures

Using diagnostic tools and interpreting trouble codes.

OBD-II System: Connector location, code retrieval procedures. Scanner Use: HDS interface procedures, data list interpretation. System Tests: Component actuation tests, sensor waveform analysis. Code Clearing: Proper procedures after repairs completed.

Troubleshooting Guide

Symptom	Possible Cause	Corrective Action
Engine won't start	Battery/ignition/fuel	Check battery voltage, test spark, verify fuel pressure.
Rough idle	Vacuum leaks/sensors	Inspect vacuum lines, test MAF sensor, clean throttle body.
Transmission slipping	Fluid level/solenoids	Check fluid level and condition, test shift solenoids.
ABS light on	Wheel sensors	Test wheel speed sensors, inspect tone rings.
AC not cooling	Refrigerant/compressor	Check refrigerant charge, test compressor clutch.

Reset Procedures: Maintenance minder reset, ECU reset procedures.

Technical Support: Acura Technical Information System (TIS) access required for certain procedures.