The 2004 Acura MDX Repair Manual provides comprehensive technical information for maintaining and repairing the 2004 Acura MDX luxury SUV. This manual covers the 3.5L V6 VTEC engine, 5-speed automatic transmission, 4-wheel drive system, electrical systems, suspension, brakes, steering, heating and air conditioning, body components, and troubleshooting procedures. Below are key sections for maintenance schedules, repair procedures, specifications, and diagnostic information.
Vehicle identification, safety precautions, and service procedures overview.
| Component | Description |
|---|---|
| VIN Location | Driver's side dashboard visible through windshield |
| Engine Code | J35A4 3.5L V6 VTEC |
| Transmission | 5-speed automatic with SportShift |
| Drivetrain | VTM-4 4-wheel drive system |
| Fuel System | Programmed Fuel Injection (PGM-FI) |
| Brake System | 4-wheel disc brakes with ABS |
| Suspension | Independent front and rear |
| Electrical | 12-volt negative ground system |
| Cooling System | Pressurized with electric fan |
| Oil Capacity | 4.5 quarts with filter |
Recommended service intervals and maintenance procedures.
WARNING! Always use genuine Acura parts and fluids for optimal performance and warranty compliance.
J35A4 3.5L V6 VTEC engine service and repair procedures.
5-speed automatic transmission and VTM-4 4WD system service.
Transmission: Fluid service, shift solenoid replacement, valve body service. VTM-4 System: Transfer case service, rear differential maintenance, drive shaft inspection.
Transmission fluid capacity: 3.1 quarts for drain and fill. Differential fluid: Front 1.5 pints, Rear 1.6 pints. Transfer case fluid: 1.1 quarts.
Battery, charging, starting, lighting, and accessory systems.
Tip: Always disconnect battery before performing electrical work.
Front and rear suspension components and power steering system.
WARNING! Use proper spring compression tools when servicing struts.
Disc brakes, ABS, and parking brake service procedures.
Climate control system service and repair.
Refrigerant: R-134a, Capacity: 1.38 lbs. Compressor: Variable displacement type. Heater core: Replacement requires dashboard removal. A/C diagnosis: Pressure readings and component testing.
Exterior panels, interior trim, and accessory service.
Body panels: Aluminum hood and liftgate. Interior: Leather seat repair, dashboard components, center console service. Glass: Windshield and window replacement procedures. Locks: Keyless entry system diagnosis.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Engine won't start | Battery, starter, fuel pump | Check battery voltage, listen for fuel pump, test starter |
| Transmission slips | Low fluid, worn clutches | Check fluid level and condition, scan for codes |
| ABS light on | Wheel sensor, low fluid | Scan ABS codes, check sensor gaps, fluid level |
| A/C not cooling | Low refrigerant, compressor | Check pressures, compressor engagement |
| Vibration at speed | Tires, wheels, driveshaft | Balance tires, inspect U-joints, check alignment |
Diagnostic: Use OBD-II scanner for engine and transmission codes.