2004 Acura MDX
2004 Acura MDX
Overview
The 2004 Acura MDX, a luxury SUV, was generally well-regarded for its performance and features during its production run. It offered a robust V6 engine and a capable all-wheel-drive system, making it a popular choice for families and those seeking a blend of utility and refinement. While most owners reported a positive experience, like any vehicle, the 2004 MDX had a few areas that experienced more frequent issues than others. This data focuses on common mechanical and electrical concerns reported by owners and technicians, excluding routine maintenance and standard wear and tear. Understanding these potential problem areas can help current and prospective owners budget for and address necessary repairs.
Engine
3.5L V6 (J35A7)
Timing Belt Failure
- Symptoms: Sudden engine stoppage, loss of power, engine knocking sounds.
- Solution: Replacement of timing belt, tensioners, and idler pulleys. If the belt has broken, internal engine damage may require more extensive repairs.
- Cost: $700 - $1200
Leaking Valve Cover Gaskets
- Symptoms: Oil smell in the engine bay, visible oil leaks around the top of the engine, potential for oil to drip onto exhaust components.
- Solution: Replacement of valve cover gaskets and seals.
- Cost: $300 - $500
Transmission
5-Speed Automatic (BDGA)
Harsh Shifting / Slipping
- Symptoms: Jerking or clunking when shifting gears, delayed engagement, engine revving without acceleration.
- Solution: Transmission fluid and filter change, transmission software update, or in severe cases, transmission rebuild or replacement.
- Cost: $500 - $3000+
Suspension
Standard Independent Suspension
Worn Sway Bar Links
- Symptoms: Clunking or rattling noises over bumps, especially at lower speeds.
- Solution: Replacement of worn sway bar links.
- Cost: $150 - $300
Worn Ball Joints / Control Arm Bushings
- Symptoms: Popping or creaking noises when turning or going over bumps, uneven tire wear, vague steering feel.
- Solution: Replacement of worn ball joints and/or control arm bushings.
- Cost: $400 - $800
Electrical
Body Control Module (BCM)
Intermittent Electrical Gremlins
- Symptoms: Malfunctioning power windows, door locks, interior lights, or dashboard warning lights illuminating without cause.
- Solution: Diagnosis and potential reprogramming or replacement of the Body Control Module.
- Cost: $500 - $1000
Alternator
Premature Failure
- Symptoms: Dimming headlights, battery warning light illuminated, difficulty starting the vehicle, dead battery.
- Solution: Replacement of the alternator.
- Cost: $400 - $700
Exterior
Standard Body and Trim
No widespread issues reported.
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
Interior
Standard Interior Components
No widespread issues reported.
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
Summary Verdict
The 2004 Acura MDX is a generally reliable vehicle, particularly concerning its powertrain and basic functionality. The most common significant issues tend to revolve around the timing belt, which requires proactive replacement to avoid catastrophic engine failure. Transmission problems, while not universal, can be costly to repair if they arise. Electrical issues, particularly with the Body Control Module and alternator, are also noted concerns. Suspension components like sway bar links and ball joints may require attention as the vehicle ages. Despite these potential issues, with proper maintenance and addressing known problem areas, the 2004 MDX can continue to be a dependable SUV.