2014 Acura MDX Service Manual

The 2014 Acura MDX Service Manual provides comprehensive technical information for maintenance, repair, and service procedures for the third-generation MDX luxury SUV. This manual covers the 3.5L V6 engine with Variable Cylinder Management (VCM), 6-speed automatic transmission, Super Handling All-Wheel Drive (SH-AWD) system, electronic systems, and all vehicle components. Below are key sections for maintenance schedules, technical specifications, troubleshooting, and repair procedures.

1. Maintenance Schedule 2. Engine Specifications 3. Transmission & Drivetrain 4. Electrical System 5. Brake System 6. Suspension & Steering 7. Heating & A/C 8. Body & Interior 9. Diagnostic Procedures 10. Technical Service Bulletins 11. Troubleshooting Guide

Maintenance Schedule

Recommended service intervals for optimal vehicle performance and longevity.

Service Interval	Required Maintenance
7,500 miles/12 months	Oil and filter change, tire rotation, multi-point inspection
15,000 miles/12 months	Replace engine air filter, cabin air filter, inspect brake system
30,000 miles/24 months	Replace transmission fluid, inspect drive belts, check suspension
45,000 miles/36 months	Replace spark plugs, inspect fuel system, check cooling system
60,000 miles/48 months	Replace brake fluid, coolant replacement, inspect SH-AWD system
90,000 miles/72 months	Replace timing belt (if applicable), comprehensive system inspection
105,000 miles/84 months	Replace accessory drive belt, inspect all fluid systems

Engine Specifications

Detailed technical specifications for the 3.5L V6 J35 engine.

Engine Type: 3.5L SOHC V6 with VCM
Displacement: 3,471 cc (211.8 cu in)
Compression Ratio: 11.2:1
Horsepower: 290 hp @ 6,200 rpm
Torque: 267 lb-ft @ 4,900 rpm
Fuel System: Programmed Fuel Injection (PGM-FI)
Oil Capacity: 4.5 quarts (with filter)
Coolant Capacity: 7.4 quarts
Spark Plug Gap: 0.039-0.043 in (1.0-1.1 mm)

Transmission & Drivetrain

Service procedures for the 6-speed automatic transmission and SH-AWD system.

Transmission Fluid Change: Use Honda ATF-DW1, capacity 3.4 quarts
SH-AWD Fluid: Replace every 30,000 miles with Dual Pump Fluid II
Transfer Assembly: Inspect for leaks and proper operation
Rear Differential: Check fluid level and condition regularly
Drive Shafts: Inspect boots and joints for wear

WARNING! Use only specified fluids to prevent damage to transmission and AWD components.

Electrical System

Battery, charging system, and electronic component service information.

Component	Specification
Battery	12V, 70Ah, CCA 650A
Alternator	150A output
Starter	1.4 kW
Fuse Boxes	Under-hood and driver's side interior
Light Bulbs	See individual replacement procedures

Brake System

Brake service, maintenance, and repair procedures.

Front Brake Pads: Replace when worn to 3mm thickness
Rear Brake Pads: Replace when worn to 2mm thickness
Brake Fluid: DOT 3 or DOT 4, replace every 3 years
Rotor Thickness: Minimum specifications provided in manual
Parking Brake: Adjust when lever travel exceeds 8 clicks

Suspension & Steering

Front and rear suspension components and electric power steering system.

Front Struts: Inspect for leaks and wear
Rear Shocks: Check operation and mounting
Control Arms: Inspect bushings and ball joints
Stabilizer Links: Check for looseness and wear
Power Steering: Electric system - no fluid service required
Wheel Alignment: Specifications: Camber -0°30' ± 45', Toe 0°00' ± 10'

Heating & A/C

Climate control system service and refrigerant specifications.

Refrigerant: R-134a, capacity 1.38-1.54 lbs (625-700g)
Compressor Oil: ND-OIL 8, 5.4 oz (160cc)
Blower Motor: Test procedures and replacement
Heater Core: Flush and service procedures
A/C Pressure: High side 142-213 psi, Low side 22-40 psi

Body & Interior

Body panel repair, interior component service, and trim procedures.

Door Panels: Removal and installation procedures
Dashboard: Component access and service
Seats: Power seat motor replacement
Windows: Regulator and motor service
Exterior Trim: Proper removal and installation techniques

Diagnostic Procedures

Using the Honda Diagnostic System (HDS) for troubleshooting.

System	Diagnostic Procedure
Engine	Check for DTCs, monitor sensor data, perform system tests
Transmission	Shift solenoid tests, pressure switch checks
SH-AWD	Torque distribution tests, clutch operation checks
ABS/VSA	Wheel speed sensor tests, modulator checks
Climate Control	Actuator tests, sensor calibration

Technical Service Bulletins

Common issues and factory-recommended solutions.

TSB 14-001: Transmission shudder during light acceleration
TSB 14-015: Front suspension noise over bumps
TSB 14-028: A/C compressor clutch noise
TSB 14-042: Power tailgate operation issues
TSB 14-056: Navigation system software update

Troubleshooting Guide

Symptom	Possible Cause	Corrective Action
Engine misfire	Faulty spark plugs, ignition coils	Check for DTCs, test coils, replace plugs
Transmission slipping	Low fluid, worn clutch packs	Check fluid level and condition, pressure test
Vibration at highway speed	Unbalanced tires, worn CV joints	Balance tires, inspect drive shafts
A/C not cooling	Low refrigerant, compressor failure	Check pressures, test compressor clutch
Brake pulsation	Warped rotors, stuck calipers	Measure rotor runout, inspect calipers
Electrical issues	Weak battery, alternator problems	Load test battery, check charging system

Service Support: Contact Acura Technical Service at 1-800-382-2238 or visit techinfo.honda.com