Acura MDX 2005 Service Manual PDF

The Acura MDX 2005 Service Manual provides comprehensive technical information for maintaining and repairing the 2005 Acura MDX luxury SUV. This manual covers engine systems (3.5L V6 VTEC), transmission (5-speed automatic with SportShift), 4-wheel drive system (VTM-4), suspension, brakes, electrical systems, heating and air conditioning, body components, and troubleshooting procedures. Below are key sections for maintenance schedules, technical specifications, repair procedures, and diagnostic information.

1. General Information 2. Maintenance Schedules 3. Engine Mechanical 4. Transmission 5. Suspension and Steering 6. Brakes 7. Electrical Systems 8. Heating and A/C 9. Body and Interior 10. Troubleshooting 11. Technical Specifications

General Information

Overview of 2005 Acura MDX features and service requirements.

ComponentDescription
Vehicle TypeLuxury Mid-size SUV
Model Year2005
Seating Capacity7 passengers
Drive SystemVTM-4 4-wheel drive
Engine Type3.5L V6 VTEC
Transmission5-speed automatic with SportShift
Fuel SystemProgrammed Fuel Injection (PGM-FI)
Brake System4-wheel disc with ABS
Suspension4-wheel independent
Electrical System12-volt with 100-amp alternator

Maintenance Schedules

Recommended service intervals and maintenance procedures.

  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: Replace every 30,000 miles
  5. Coolant replacement: Every 60,000 miles or 5 years
  6. Spark plugs: Replace every 105,000 miles
  7. Timing belt: Replace every 105,000 miles

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

Engine Mechanical

3.5L J35A4 VTEC V6 engine service procedures.

  1. Engine removal and installation procedures
  2. Cylinder head service and valve adjustment
  3. Timing belt and balance belt replacement
  4. Piston and connecting rod service
  5. Crankshaft and main bearings
  6. Lubrication system maintenance
  7. Cooling system service

CAUTION! Engine components are precision parts; handle with care and use proper tools.

Transmission

Suspension and Steering

Front: Double wishbone independent suspension. Rear: Multi-link independent suspension.

Components: Struts, shock absorbers, stabilizer bars, ball joints, tie rods.

Steering: Power-assisted rack and pinion with variable power assist. Wheel alignment specifications: Toe, camber, caster adjustments. Suspension service: Strut replacement, ball joint inspection, wheel bearing service.

Brakes

Hydraulic dual-circuit brake system with ABS and electronic brake distribution.

  1. Front brakes: Ventilated discs, 12.6-inch diameter
  2. Rear brakes: Solid discs, 12.3-inch diameter
  3. Brake pad replacement procedures
  4. Rotor machining and replacement
  5. ABS system diagnosis and repair
  6. Brake fluid flush and bleed procedure

Tip: Always use DOT 3 or DOT 4 brake fluid; do not mix different types.

Electrical Systems

12-volt electrical system with multiplex control.

  1. Battery: 12V 70Ah located under front passenger seat
  2. Alternator: 100-amp output
  3. Starter motor: 1.4kW reduction type
  4. Fuse boxes: Under-hood and under-dash locations
  5. Lighting systems: Headlights, taillights, interior lights
  6. Power accessories: Windows, locks, seats, mirrors
  7. Audio system: AM/FM/CD with premium sound
  8. Navigation system: GPS with voice guidance

WARNING! Disconnect battery before performing electrical work to prevent shorts and damage.

Heating and A/C

Automatic climate control system with rear A/C.

Components: Compressor, condenser, evaporator, expansion valve, receiver/drier. Service procedures: A/C system evacuation and recharge, compressor replacement, blower motor service, heater core replacement.

Body and Interior

Body structure repair and interior component service.

CAUTION! Use proper safety equipment when working with airbag systems.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startBattery, starter, fuel systemCheck battery voltage, test starter, verify fuel delivery.
Transmission slippingLow fluid, worn clutchesCheck fluid level and condition, test line pressure.
ABS warning lightWheel sensors, modulatorScan for codes, test wheel speed sensors.
A/C not coolingRefrigerant leak, compressorCheck refrigerant pressure, test compressor clutch.
Electrical issuesFuses, grounds, wiringCheck fuses, inspect grounds, test circuits.

Reset: Use Honda Diagnostic System (HDS) for system resets and calibrations.

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

Technical Specifications

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