Acura MDX Service Manual PDF

The Acura MDX Service Manual provides comprehensive technical information for maintaining and repairing Acura MDX vehicles. This manual covers all major systems including engine, transmission, suspension, brakes, electrical, and HVAC systems. It includes detailed procedures, specifications, wiring diagrams, and troubleshooting guides for professional technicians and DIY enthusiasts. Below are key sections covering maintenance schedules, system overviews, repair procedures, specifications, and technical data.

1. Vehicle Overview 2. Maintenance Schedules 3. Engine Systems 4. Transmission & Drivetrain 5. Suspension & Steering 6. Brake Systems 7. Electrical Systems 8. HVAC & Climate Control 9. Body & Interior 10. Technical Specifications 11. Troubleshooting Guide

Vehicle Overview

The Acura MDX is a luxury mid-size crossover SUV featuring advanced engineering and premium components. Key systems: J-series V6 engine, automatic transmission, SH-AWD system, multi-link suspension, electronic power steering, comprehensive safety systems.

SystemDescription
Engine3.5L or 3.7L V6 with VTEC technology
Transmission6-speed or 9-speed automatic with paddle shifters
DrivetrainFront-wheel drive or SH-AWD system
SuspensionFront MacPherson strut, rear multi-link
Brakes4-wheel disc brakes with ABS and EBD
Electrical12V system with multiple control modules
HVACDual-zone automatic climate control
SafetyMultiple airbags, stability control, collision mitigation

Maintenance Schedules

Follow recommended maintenance intervals to ensure optimal 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. Transmission fluid: Every 30,000-60,000 miles
  5. Brake fluid: Every 3 years regardless of mileage
  6. Spark plugs: Every 105,000 miles
  7. Timing belt: Every 105,000 miles (if equipped)

WARNING! Use only Acura-approved fluids and genuine parts. Failure to follow maintenance schedules may void warranty.

Engine Systems

Comprehensive coverage of engine mechanical, fuel, ignition, and emission systems.

  1. Engine removal and installation procedures
  2. Cylinder head service and valve adjustment
  3. Timing belt/chain replacement
  4. Fuel system service and injector replacement
  5. Ignition system diagnosis and coil replacement
  6. Emission control systems (PCV, EGR, EVAP)
  7. Cooling system maintenance and radiator replacement

CAUTION! Always disconnect battery before working on electrical components. Use proper lifting equipment for engine removal.

Transmission & Drivetrain

Suspension & Steering

Front suspension: MacPherson strut with lower control arms. Rear suspension: Multi-link with stabilizer bar.

Steering: Electric power steering (EPS) with variable assist. Alignment specifications: Front camber -0°30' ± 45', Front caster +3°45' ± 45', Front toe 0 ± 2mm. Rear camber -1°30' ± 45', Rear toe +2 ± 2mm.

Service procedures: Strut replacement, control arm bushing replacement, stabilizer bar link replacement, wheel bearing service, alignment procedures, EPS motor replacement, steering angle sensor calibration.

Brake Systems

Hydraulic brake system with ABS, EBD, and VSA. Front brakes: Ventilated discs. Rear brakes: Solid discs.

  1. Brake pad replacement procedures and bedding process
  2. Rotor machining and replacement specifications
  3. Brake fluid bleeding and system flushing
  4. ABS module diagnosis and component replacement
  5. Parking brake adjustment and cable replacement
  6. Brake booster and master cylinder service

Tip: Always replace brake components in axle sets. Use only DOT 3 or DOT 4 brake fluid.

Electrical Systems

12-volt electrical system with multiple control modules and CAN bus communication.

  1. Battery testing and replacement procedures
  2. Alternator output testing and replacement
  3. Starter motor diagnosis and replacement
  4. Fuse and relay locations and specifications
  5. Wiring diagrams and connector pinouts
  6. Lighting system diagnosis and bulb replacement
  7. Power window and door lock system service
  8. Audio and navigation system troubleshooting

WARNING! Disconnect battery before electrical work. Use proper circuit protection when testing.

HVAC & Climate Control

Automatic climate control system with dual-zone temperature control, air filtration, and rear HVAC on certain models.

Body & Interior

Body structure repair data, interior trim removal procedures, glass replacement, seat service, and restraint systems.

CAUTION! Follow proper SRS airbag deactivation procedures before working on steering column or dashboard components.

Technical Specifications

Engine: 3.5L V6 - Bore: 89mm, Stroke: 93mm, Compression: 11.2:1, Horsepower: 290 hp @ 6200 rpm, Torque: 267 lb-ft @ 5000 rpm. Transmission: 6-speed automatic gear ratios - 1st: 3.821, 2nd: 2.182, 3rd: 1.446, 4th: 1.072, 5th: 0.834, 6th: 0.659, Reverse: 2.393. Fluid capacities: Engine oil: 4.5 quarts, Coolant: 7.4 quarts, Transmission: 3.1 quarts, Rear differential: 1.2 quarts.

Troubleshooting Guide

SymptomPossible CauseCorrective Action
Engine won't startBattery, starter, fuel systemCheck battery voltage, test starter, verify fuel pressure.
Transmission shifting issuesFluid level, sensors, TCMCheck fluid level and condition, scan for codes, test shift solenoids.
Brake vibrationWarped rotors, tire balanceMeasure rotor runout, resurface or replace rotors, balance tires.
Electrical malfunctionsBattery, alternator, groundsLoad test battery, check alternator output, inspect ground connections.
HVAC not coolingRefrigerant, compressor, blend doorsCheck refrigerant pressure, test compressor clutch, diagnose blend door operation.

Diagnostic Tools: Use Acura HDS scanner for proper system diagnosis and module programming.

Technical Support: Contact Acura dealer service department or visit techinfo.honda.com

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