2004 Honda Odyssey Service and Repair Manual

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Factory-Grade Data

2004 Honda Odyssey service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical diagnostics with wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more

Trims covered

  • EX Mini Passenger Van 5-Door
  • LX Mini Passenger Van 5-Door
  • EX-L Mini Passenger Van 5-Door

Engines covered

  • 3.5L 3474CC V6 GAS SOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Payment methods

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  • Apple Pay
  • Bancontact
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Union Pay
  • Visa

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Vehicle Safety Data

2004 Honda Odyssey Recalls & Complaints

NHTSA #04V42000027/08/2004Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

ON CERTAIN MINIVANS, THE FUEL PUMP MAY FAIL DUE TO CORROSION OF AN ELECTRICAL TERMINAL.

Consequence

IF THE PUMP STOPS WORKING, EHT ENGINE WILL STALL WITHOUT WARNING, AND A CRASH COULD OCCUR.

Remedy

DEALERS WILL CHECK THE ELECTRICAL COUPLER TERMINAL OF THE FUEL PUMP. IF ANY CORROSION IS FOUND, THE

NHTSA #19V50100027/06/2019Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

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, 2003-2

Consequence

An inflator explosion may result in sharp metal fragments striking the driver or other occupants res

Remedy

Honda will notify owners, and dealers will replace the passenger frontal airbag inflator, free of ch

NHTSA #19V49900027/06/2019Component: AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

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, 2002-20

Consequence

An inflator explosion may result in sharp metal fragments striking the driver or other occupants res

Remedy

Honda will notify owners, and dealers will replace the driver frontal air bag inflator, free of char

NHTSA #16V34400023/05/2016Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

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, an

Consequence

An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou

Remedy

Honda will notify owners, and dealers will replace the passenger frontal air bag inflator, free of c

NHTSA #13V41200019/09/2013Component: AIR BAGS

Honda is recalling certain model year 2003 and 2004 Odyssey and model year 2003 Acura MDX vehicles. Due to electrical noise, a component in the air bag control module may fail causing the front air b

Consequence

Inadvertent deployment of the air bags may increase the risk of injury and the possibility of a vehi

Remedy

Honda will notify owners, and dealers will install a noise suppressor unit, free of charge. The rec

NHTSA #04V17600015/04/2004Component: POWER TRAIN:AUTOMATIC TRANSMISSION

ON SOME MINI VANS, SPORT UTILITY AND PASSENGER VEHICLES, CERTAIN OPERATING CONDITIONS CAN RESULT IN HEAT BUILD-UP BETWEEN THE COUNTERSHAFT AND SECONDARY SHAFT SECOND GEARS IN THE AUTOMATIC TRANSMISSIO

Consequence

GEAR FAILURE COULD RESULT IN TRANSMISSION LOCKUP, WHICH COULD RESULT IN A CRASH.

Remedy

ON VEHICLES WITH 15,000 MILES OR LESS, THE DEALER WILL UPDATE THE TRANSMISSION WITH A SIMPLE REVISIO

TSB #10213538

Service bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects in the replacement f

TSB #10194971

Service Bulletin - Case v. American Honda Motor Co., Inc., Case No. BC 424169 (Third Clutch Transmission Settlement - $25 Credit Vouchers).

TSB #10186009

"Service Bulletin - There are several A/C leak detection tools available. -Refrigerant Gas Leak Detector -Ultrasonic Leak Detector -Leak Dye"

TSB #10172568

Service Bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects in the replacement f

TSB #10172564

Service Bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects in the replacement d

TSB #10160966

Service Bulletin - PCM replacement for erratic or harsh shifting.

TSB #10147177

Service bulletin - This bulletin has been cancelled because the collection is now complete. If you did the collection in this Service Bulletin on or before October 26, 2018 (RO date), use the Warranty Claim Information provided below.

TSB #10141168

Service bulletin - This bulletin is a notification of a class action settlement relating to airbag inflators. American Honda is offering a Customer Support Program (Warranty Extension) to cover any manufacturing defects in the replacement f

Showing the 8 most recent of 192 technical service bulletins on file with NHTSA.

20151215Component: VEHICLE SPEED CONTROLCrash reportedFire reported1 injured

TL* THE CONTACT OWNS A 2004 HONDA ODYSSEY. WHILE BACKING INTO THE DRIVEWAY, THE VEHICLE MADE AN ABNORMAL NOISE AND ACCELERATED BACKWARDS. THE CONTACT SHIFTED INTO DRIVE AND THE VEHICLE CONTINUED TO AC

20151215Component: SERVICE BRAKESCrash reportedFire reported1 injured

TL* THE CONTACT OWNS A 2004 HONDA ODYSSEY. WHILE BACKING INTO THE DRIVEWAY, THE VEHICLE MADE AN ABNORMAL NOISE AND ACCELERATED BACKWARDS. THE CONTACT SHIFTED INTO DRIVE AND THE VEHICLE CONTINUED TO AC

20151215Component: AIR BAGSCrash reportedFire reported1 injured

TL* THE CONTACT OWNS A 2004 HONDA ODYSSEY. WHILE BACKING INTO THE DRIVEWAY, THE VEHICLE MADE AN ABNORMAL NOISE AND ACCELERATED BACKWARDS. THE CONTACT SHIFTED INTO DRIVE AND THE VEHICLE CONTINUED TO AC

20150818Component: AIR BAGSCrash reported2 injured

TL* THE CONTACT OWNS A 2004 HONDA ODYSSEY. THE CONTACT STATED WHILE DRIVING 45 MPH, THE AIR BAG INADVERTENTLY DEPLOYED CAUSING THE CONTACT TO CRASH HER VEHICLE INTO A UTILITY POLE. THE CONTACT SUSTAIN

20141103Component: AIR BAGSCrash reported2 injured

TL* THE CONTACT OWNS A 2004 HONDA ODYSSEY. THE CONTACT STATED THAT WHILE ENTERING A PARKING SPACE, THE VEHICLE VIOLENTLY ACCELERATED CAUSING THE VEHICLE TO CRASH INTO A TREE. A POLICE REPORT WAS FILED

Showing the 5 most serious of 715 complaints filed with NHTSA.

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