Acura MDX 2005 Repair Manual

The Acura MDX 2005 Repair Manual provides comprehensive technical information for maintaining and repairing the 2005 Acura MDX luxury SUV. This manual covers engine systems, transmission, suspension, brakes, electrical systems, heating and air conditioning, body components, and troubleshooting procedures. Below are key sections for maintenance schedules, repair procedures, specifications, and diagnostic information.

1. Maintenance Schedule 2. Engine Systems 3. Transmission 4. Suspension & Steering 5. Brake Systems 6. Electrical Systems 7. Heating & A/C 8. Body & Interior 9. Specifications 10. Troubleshooting

Maintenance Schedule

Recommended service intervals for optimal performance and longevity.

Service Interval	Required Maintenance
7,500 miles/12 months	Oil and filter change, tire rotation, brake inspection
15,000 miles/12 months	Replace air filter, inspect drive belts, check fluid levels
30,000 miles/24 months	Replace spark plugs, inspect brake pads and rotors
60,000 miles/48 months	Replace timing belt, coolant flush, transmission service
90,000 miles/72 months	Replace fuel filter, inspect suspension components

Engine Systems

3.5L V6 VTEC engine repair and maintenance procedures.

Engine removal and installation: Disconnect battery, drain coolant, remove accessories.
Valve adjustment: Cold engine procedure with feeler gauge.
Timing belt replacement: Align timing marks, tensioner procedure.
Oil system: Oil pump replacement, pressure testing.
Cooling system: Thermostat replacement, radiator service.

WARNING! Always disconnect battery before working on electrical components. Allow engine to cool before servicing.

Transmission

5-speed automatic transmission with SportShift manual mode.

Fluid service: Drain and fill procedure, fluid type specification.
Shift solenoid replacement: Access through transmission pan.
Transmission removal: Support engine, disconnect driveshaft and linkages.
Valve body service: Inspection and cleaning procedures.
Diagnostic trouble codes: Retrieval and interpretation.

CAUTION! Use only specified ATF fluid. Proper torque specifications required for all fasteners.

Suspension & Steering

Front suspension: MacPherson strut design with stabilizer bar
Rear suspension: Multi-link independent setup
Steering: Power rack-and-pinion with variable assist
Wheel alignment: Camber, caster, and toe specifications
Shock absorber: Replacement procedure and torque values

Brake Systems

Four-wheel disc brakes with ABS and electronic brake distribution.

Front brakes: 12.6-inch ventilated discs, dual-piston calipers. Rear brakes: 12.3-inch solid discs, single-piston calipers.

Pad replacement: Remove caliper, compress pistons, install new pads. Rotor service: Minimum thickness specification, resurfacing limits. ABS system: Wheel speed sensor replacement, hydraulic modulator service.

Electrical Systems

Battery: 12V, 70Ah. Alternator: 130A output. Starter: Reduction gear type.

Battery replacement: Disconnect negative terminal first.
Alternator service: Belt tension adjustment, output testing.
Starter removal: Access from under vehicle, electrical connections.
Fuse box locations: Underhood, under dashboard.
Wiring diagrams: Color-coded circuits with connector locations.

Tip: Always use digital multimeter for electrical diagnostics.

Heating & A/C

Automatic climate control system with rear air conditioning.

A/C compressor: Replacement procedure, refrigerant recovery.
Blower motor: Dashboard removal for access.
Heater core: Evaporator case disassembly.
Refrigerant: R134a specification, charging procedure.
Climate control: Actuator motor calibration and replacement.

WARNING! Always recover refrigerant using approved equipment. Wear eye protection when handling refrigerant.

Body & Interior

Exterior trim, interior components, and accessory systems.

Specifications

Technical data and torque specifications.

Component	Specification
Engine displacement	3.5L (3471cc) V6
Horsepower	265 hp @ 5800 rpm
Torque	250 lb-ft @ 3500 rpm
Fuel capacity	19.2 gallons
Oil capacity	4.5 quarts with filter
Coolant capacity	8.7 quarts
Transmission fluid	ATF-Z1, 3.2 quarts
Brake fluid	DOT 3 or DOT 4

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Battery, starter, fuel system	Check battery voltage, fuel pressure, spark
Transmission slips	Low fluid, worn clutches	Check fluid level and condition, pressure test
Brake vibration	Warped rotors, worn pads	Inspect rotors for runout, replace if necessary
A/C not cooling	Low refrigerant, compressor	Check refrigerant pressure, compressor clutch
Electrical issues	Battery, alternator, grounds	Test charging system, inspect ground connections

Reset: Disconnect battery for 10 minutes to reset ECU.

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