The 2004 MDX is Honda's first-gen luxury SUV built on the Odyssey platform with a 3.5L J-series V6 and 5-speed automatic. Solid mechanically when maintained, but transmission failures and a catastrophic VCM (Variable Cylinder Management) piston ring defect plague higher-mileage examples.
Transmission Failure (5-Speed Automatic)
Common · high severity
Typical onset: 90,000-150,000 mi
Symptoms: Harsh or delayed 2nd-3rd gear shifts, Slipping under acceleration, especially when warm, Shuddering during light throttle cruise, Transmission fluid darkened or burnt smell
Fix: Honda's 5-speed auto in this generation is notorious for premature wear on 2nd and 3rd gear clutch packs. Rebuild requires 12-16 hours labor; many opt for reman units. Transmission cooler line failure accelerates damage, so inspect lines during service. Expect 14-18 shop hours for R&R plus rebuild.
Estimated cost: $3,200-5,500
VCM Piston Ring Failure and Oil Consumption
Common · high severity
Typical onset: 80,000-140,000 mi
Symptoms: Excessive oil consumption (1 qt per 500-1,000 miles), Blue smoke on startup or acceleration, Misfires on cylinders 1, 4, or 6 (VCM-affected), Fouled spark plugs, Check engine light with P0300-series codes
Fix: The J35 with VCM deactivates cylinders 1, 4, 6 under light load, causing oil control ring fouling and scoring. Requires complete teardown: pistons, rings, honing or re-bore if cylinder walls scored. Many shops do short-block replacement to avoid liability. Expect 22-28 hours labor for proper engine rebuild or 18-22 for short block swap.
Estimated cost: $4,500-7,500
Transmission Cooler Line Leaks
Common · medium severity
Typical onset: 70,000-110,000 mi
Symptoms: ATF puddles under front of vehicle, Low transmission fluid warnings, Transmission overheating, Visible corrosion or wet spots on steel cooler lines at radiator
Fix: Steel cooler lines rust through where they connect to radiator or route along subframe. Leak starves transmission of fluid, leading to catastrophic failure if ignored. Replace both lines and flush system. 2-3 hours labor, but often discovered after transmission damage already done.
Estimated cost: $400-700
Front Compliance Bushing Failure
Common · low severity
Typical onset: 60,000-100,000 mi
Symptoms: Clunking over bumps from front suspension, Steering feels vague or vehicle wanders, Uneven inner tire wear, Visible cracks or oil seepage from lower control arm bushings
Fix: Hydraulic compliance bushings in lower control arms leak and collapse. Requires complete control arm replacement (bushings not sold separately by Honda). 3-4 hours labor for both sides, alignment required after.
Estimated cost: $800-1,200
Power Steering Pump Whine and Failure
Occasional · medium severity
Typical onset: 90,000-130,000 mi
Symptoms: High-pitched whine especially at idle or low speed turns, Groaning when turning wheel at full lock, Intermittent heavy steering effort, Fluid foaming in reservoir
Fix: Pump bearings and seals wear out. Contaminated fluid accelerates failure, so flush system every 30k. Replace pump and flush lines/rack. 2.5-3.5 hours labor.
Estimated cost: $600-900
Ignition Switch Recall and Premature Failure
Occasional · medium severity
Symptoms: Key difficult to turn or remove, Intermittent no-start (dash lights on but no crank), Accessories stay on after key removed, Steering lock fails to release
Fix: NHTSA recall 09V217000 addressed ignition switch contact wear, but non-recalled examples still fail. Switch replacement requires column disassembly and coding. 2-2.5 hours labor. Verify recall completion before purchase.
Fix: Multiple Takata recalls affect driver and passenger inflators (21V388, 16V773, 15V663, others). Inflators can rupture and spray shrapnel in deployment. Free repair at dealers, but parts shortages persist. Check VIN at NHTSA.gov before purchase—unrepaired examples are dangerous.
Estimated cost: $0 (recall repair)
Owner tips
Transmission fluid changes every 30k miles with Honda DW-1 ATF are non-negotiable—ignore Honda's 'lifetime fill' claim
Install VCM-disable device (VCMuzzler, S-VCM) or use premium fuel to reduce cylinder deactivation wear on high-mileage engines
Inspect transmission cooler lines annually; replace proactively at 80k to avoid $4k transmission damage
Verify all Takata airbag recalls completed before purchase—check NHTSA VIN lookup
Budget $1,500-2,000 annually for deferred maintenance on 100k+ examples; these are 20-year-old luxury SUVs now
Only buy if transmission has been replaced or meticulously serviced and engine doesn't burn oil—nicely equipped and spacious, but the VCM piston ring defect and transmission fragility make high-mileage examples expensive gambles.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
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Dorman Products, Inc. (Dorman) is recalling certain Accelerator Pedal Assemblies part numbers 699-114 and 825-5029-1, sold as replacement parts for 2003-2006 Acura MDX, 2004-2008 Acura TL and TSX, 2003-2007 Honda Accord, 2005-2006 Honda CR-V, 2007-2011 Honda Element, 2005-2008 Honda Pilot and 2006-2014 Honda Ridgeline vehicles. The rotating portion of the accelerator pedal assembly may bind. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 124, "Accelerator Control Systems."
Consequence: If the accelerator pedal binds, the engine may not quickly return to idle after the pedal is no longer pressed, increasing the risk of a crash.
Remedy: Dorman will notify owners, and qualified service facilities will replace the affected accelerator pedal assemblies, free of charge. The recall began December 9, 2019. Owners may contact Dorman customer service at 1-800-523-2492, using option 5. Dorman's number for this recall is AS1019XXXX.
AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE · 19V499000
2019-06-27 · EA15001
Honda (American Honda Motor Co.) is recalling certain 2003 Acura 3.2CL, 2002-2003 3.2TL, 2003-2006 MDX, 2001-2007 Honda Accord, 2001-2005 Civic, 2003-2005 Civic Hybrid, 2001-2005 Civic GX NGV, 2002-2006 CR-V, 2003-2011 Element, 2002-2004 Odyssey, 2003-2008 Pilot and 2006 Ridgeline vehicles.
These vehicles are equipped with driver frontal air bag inflators assembled as a recall remedy part or replacement service part, that may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.
Consequence: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
Remedy: Honda will notify owners, and dealers will replace the driver frontal air bag inflator, free of charge. The recall began August 12, 2019. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are Q5A and Y58.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 19V501000
2019-06-27 · EA15001
Honda (American Honda Motor Co.) is recalling certain 2003-2006 Acura MDX, 2005-2012 RL, 2003-2007 Honda Accord, 2001-2005 Civic, 2003-2005 Civic Hybrid, 2001-2005 Civic GX NGV, 2002-2006 CR-V, 2003-2011 Element, 2007-2008 Fit, 2002-2004 Odyssey, 2003-2008 Pilot, and 2006-2014 Ridgeline vehicles.
The vehicles are equipped with passenger frontal air bag inflators assembled as a recall remedy part or replacement service part, that may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.
Consequence: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
Remedy: Honda will notify owners, and dealers will replace the passenger frontal airbag inflator, free of charge. The recall began August 12, 2019. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are E5D and X5C.
AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE · 19V182000
2019-03-06 · EA15001
Honda (American Honda Motor Co.) is recalling specific 2003 Acura 3.2CL, 2013-2016 ILX, 2013-2014 ILX Hybrid, 2003-2006 MDX, 2007-2016 RDX, 2002-2003 3.2TL, 2004-2006, and 2009-2014 TL, 2010-2013 ZDX and 2001-2007 and 2009 Honda Accord, 2001-2005 Civic, 2003-2005 Civic Hybrid, 2001-2005 Civic GX NGV, 2002-2007 and 2010-2011 CR-V, 2003-2011 Element, 2007 Fit, 2002-2004 Odyssey, 2003-2008 Pilot, and 2006-2014 Ridgeline vehicles. The affected vehicles received a replacement driver air bag inflator as part of a previous Takata inflator recall remedy or a replacement driver air bag module containing the same inflator type as a service part. Due to a manufacturing error, in the event of a crash necessitating deployment of the driver frontal air bag, these inflators may explode.
Consequence: An explosion of an inflator within the driver frontal air bag module may result in sharp metal fragments striking the driver, front seat passenger or other occupants resulting in serious injury or death.
Remedy: Honda will notify owners, and dealers will replace the driver's air bag inflator with an alternate inflator, free of charge. The recall began April 10, 2019. Honda owners may contact customer service at 1-888-234-2138. Honda's number for this recall is O41. Acura owners may contact customer service at 1-888-234-2138. Acura's number for this recall is U40.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 16V344000
2016-05-23 · EA15001
Honda (American Honda Motor Co.) is recalling certain model year 2003-2006 Acura MDX, 2005-2011 Acura RL, 2005-2006 Honda CR-V, 2003-2011 Element, 2007-2008 Fit, 2003-2008 Pilot, 2002-2004 Odyssey, and 2006-2011 Ridgeline vehicles originally sold, or that have ever been registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands, or "Zone A."
Additionally, unless included in "Zone A" above, Honda is recalling certain model year 2003-2006 Acura MDX, 2005-2008 Acura RL, 2005-2006 Honda CR-V, 2003-2008 Element, 2007-2008 Fit, 2003-2008 Pilot, 2002-2004 Odyssey, and 2006-2008 Ridgeline vehicles originally sold, or that have ever been registered, in Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B."
Lastly, unless included in "Zone A" or "Zone B" above, Honda is recalling model year 2002-2004 Odyssey and model year 2003-2004 Acura MDX, Honda Element, and Honda Pilot vehicles originally sold, or registered, in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming.
These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.
Consequence: An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.
Remedy: Honda will notify owners, and dealers will replace the passenger frontal air bag inflator, free of charge. The recall began June 27, 2016. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are KA0, KA1, KA2, and KA3.
AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE · 15V320000
2015-05-28 · EA15001
Honda (American Honda Motor Co.) is recalling certain model year 2001-2007 Accord, 2001-2005 Civic, 2001-2004 Honda Civic GX, 2003-2005 Honda Civic Hybrid, 2002-2006 CR-V, 2003-2011 Element, 2002-2004 Odyssey, 2003-2008 Pilot, 2006 Ridgeline, 2003 Acura 3.2CL, 2003-2006 Acura MDX, and 2002-2003 Acura 3.2TL vehicles. The affected vehicles are equipped with a dual-stage driver frontal air bag that may be susceptible to moisture intrusion and other factors, including manufacturing variability that, over time, could cause the inflator to rupture.
Consequence: In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could rupture with metal fragments striking the driver or other occupants resulting in serious injury or death.
Remedy: Honda will notify owners, and dealers will replace the driver frontal air bag inflator, free of charge. The recall began on July 1, 2015. Owners may contact Honda customer service at 1-888-234-2138. Owners may contact Acura customer service at 1-800-382-2238, select option 4. Note: Vehicles that have had their driver frontal air bag replaced previously as part of a recall remedy prior to September 12, 2014 need to have their air bag replaced under this recall as well. Vehicles that, on or after September 12, 2014, received a remedy for a prior driver frontal air bag inflator recall already received an inflator of a different design, and therefore are not included in this recall and do not require additional servicing. Note: This recall fully supersedes recalls 08V-593, 09V-259, 10V-041, 11V-260, 14V-351 and 15V-153. Honda's numbers for this recall are JQ9, JR0, JR1, JR2, JR3, JR4, JR5, JR6, JR7, and JR8.
AIR BAGS · 14V700000
2014-11-04 · PE14016
American Honda Motor Co. (Honda) is recalling certain model year 2001-2005 Honda Civic, 2003-2004 Civic CNG and Element, 2002-2005 CR-V, 2002-2004 Odyssey, 2003-2005 Accord, Pilot, Civic Hybrid, and Acura MDX, 2005 Acura RL and 2006 Honda Ridgeline vehicles originally sold, or ever registered, in geographic locations associated with high absolute humidity. Specifically, vehicles sold, or ever registered, in Alabama, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, U.S. Virgin Islands, Saipan, Guam, and American Samoa are addressed by this recall. Upon deployment of the passenger side frontal air bag, excessive internal pressure may cause the inflator to rupture.
Consequence: In the event of a crash necessitating deployment of the passengers frontal air bag, the inflator could rupture with metal fragments striking the vehicle occupants potentially resulting in serious injury or death.
Remedy: Honda will notify owners, and dealers will replace the passenger side air bag inflator, free of charge. The recall began January 26, 2015. Owners may contact Honda customer service at 1-800-999-1009.
AIR BAGS · 14V353000
2014-06-20
American Honda Motor Company, Inc.'s (Honda) is conducting a limited regional recall for certain model year 2003-2005 Accord, Civic, CR-V, Pilot and Acura MDX, model year 2003-2004 Odyssey and Element, and model year 2005 Acura RL, and 2006 Honda Ridgeline vehicles originally sold, or ever registered in California, and equipped with Takata-brand air bag inflators. Upon deployment of the passenger side frontal air bag, excessive internal pressure may cause the inflator to rupture.
Consequence: In the event of a crash necessitating deployment of the passengers frontal air bag, the inflator could rupture with metal fragments striking the vehicle occupants potentially resulting in serious injury or death.
Remedy: Honda will notify owners, and dealers will replace the inflators in all affected vehicles, free of charge. The recall is expected to begin during August 2014. Owners may contact Honda customer service at 1-800-999-1009.
ELECTRICAL SYSTEM:IGNITION:SWITCH · 12V573000
2012-12-11 · PE12026
Honda is recalling certain model year 2003 and 2004 Pilot and Odyssey and 2003 through 2006 Acura MDX passenger vehicles manufactured from November 26, 2001, through August 30, 2006. The interlock lever of the ignition switch may deform, which can allow the interlock function of a vehicle with an automatic transmission to be defeated.
Consequence: Removal of the ignition key when the gear selector of a vehicle with an automatic transmission has not been shifted to the park position can allow the vehicle to roll away, increasing the risk of a crash.
Remedy: Honda will notify owners and instruct them to take their vehicle to a Honda or Acura dealer. The dealer will install an updated shift interlock lever and, if necessary, replace any necessary part of the ignition switch, free of charge. The recall began on February 22, 2013. Owners may contact Honda at 1-800-999-1009.
EQUIPMENT:MECHANICAL:CARRIER/RACK · 08E013000
2008-02-05
HONDA IS RECALLING 2,032 HITCH STYLE BIKE RACKS SOLD AS AFTERMARKET FOR USE ON MY 2003-2007 AND SOME MY 2008 HONDA PILOT, RIDGELINE, AND ACURA MDX VEHICLES. A PINCH BOLT EXISTS BETWEEN THE BIKE ARM BRACKET AND THE UPRIGHT ASSEMBLY OF THE "HITCH" STYLE BICYCLE RACK.
Consequence: WHEN MOVING THE BIKE ARM BRACKET TO ITS DOWN POSITION, THIS PINCH BOLT HAS THE POTENTIAL OF CAUSING SEVERE LACERATION OR AMPUTATION TO THE USER'S FINGERTIPS OR HAND.
Remedy: OWNERS SHOULD CONTACT THULE AT 800-THULE91 (800-848-5391) TO OBTAIN A FREE REPAIR KIT ALONG WITH REPAIR INSTRUCTIONS OR OWNERS MAY CONTACT HONDA AT 1-800-999-1009 OR ACURA AT 1-800-382-2238 FOR FURTHER INFORMATION.
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