2003 Acura MDX Parts Manual

The 2003 Acura MDX Parts Manual provides comprehensive information about genuine Acura parts, components, and replacement guidelines for the 2003 MDX luxury SUV. This manual covers engine components, transmission parts, suspension systems, braking components, electrical systems, body parts, interior components, and maintenance schedules. Below are key sections for parts identification, specifications, installation procedures, and ordering information.

Parts Identification Guide

Key identification methods: Part numbers, component diagrams, and location references.

Engine Components

3.5L V6 VTEC engine parts and related components.

1. Engine Block Assembly: Complete short block components
2. Cylinder Head: VTEC mechanism and valve train
3. Timing Belt System: Belt, tensioner, and related components
4. Fuel System: Injectors, pump, and fuel rail
5. Ignition System: Coils, plugs, and wiring
6. Cooling System: Radiator, water pump, thermostat
7. Exhaust System: Manifolds, catalytic converters

WARNING! Use only genuine Acura parts for engine components to maintain performance and warranty.

Transmission & Drivetrain

5-speed automatic transmission with VTM-4 all-wheel drive system.

1. Transmission Assembly: Complete 5-speed automatic unit
2. Torque Converter: Lock-up clutch and internal components
3. Transfer Case: VTM-4 system components
4. Drive Shafts: Front and rear CV axle assemblies
5. Differential: Front and rear differential components
6. Transmission Fluid: ATF-Z1 specification fluid
7. Shift Linkage: Cable and bracket assemblies

CAUTION! Proper fluid specifications required for transmission longevity.

Suspension & Steering

• Front Suspension: MacPherson struts, lower arms, stabilizer bar
• Rear Suspension: Multi-link setup with trailing arms
• Steering Gear: Power rack and pinion assembly
• Stabilizer Bars: Front and rear anti-roll bars
• Struts/Shocks: Gas-charged shock absorbers
• Control Arms: Upper and lower with bushings
• Ball Joints: Press-in type front suspension
• Tie Rods: Inner and outer tie rod assemblies

Braking System

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

Front Brakes: 11.8-inch ventilated discs, single-piston calipers

Rear Brakes: 12.0-inch solid discs, single-piston calipers

Components: Brake pads, rotors, calipers, master cylinder, booster, ABS modulator, brake lines, parking brake cables, wear sensors, fluid reservoir.

Electrical Components

Battery, alternator, starter, sensors, and electronic control units.

1. Disconnect battery before electrical work
2. Use proper diagnostic equipment for troubleshooting
3. Follow wiring diagrams for correct connections
4. Use dielectric grease on electrical connectors

Tip: Always reference wiring diagrams for proper wire colors and connector positions.

Body & Exterior Parts

Body panels, lighting, glass, and exterior trim components.

1. Body Panels: Hood, fenders, doors, liftgate assemblies
2. Lighting: Headlamps, tail lamps, fog lamps, markers
3. Glass: Windshield, side glass, rear glass
4. Bumpers: Front and rear bumper covers
5. Mirrors: Power side mirrors with defogger
6. Trim: Moldings, emblems, roof rails
7. Paint Codes: Color-matched touch-up paints
8. Weatherstripping: Door and window seals

WARNING! Use proper safety equipment when handling glass and body panels.

Interior Components

Dashboard, seats, console, and interior trim parts.

Maintenance Parts

Regular maintenance items and service intervals.

CAUTION! Follow recommended service intervals for optimal vehicle performance.

Parts Ordering Information

Genuine Acura parts available through authorized dealers. Include VIN when ordering. Warranty coverage: 12 months/unlimited miles on genuine parts. For technical support, contact Acura Client Relations at 1-800-382-2238 or visit acura.com.

Technical Specifications

Note: Always verify part numbers with VIN at time of ordering.

Support: 1-800-382-2238; www.acura.com