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2004 Honda Odyssey CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Honda REPAIR SHOPS DON'T WANT YOU TO KNOW
Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!Select Section
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- Wiring Diagrams
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- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 2004 Honda Odyssey AUTOMOBILES
Honda -> Component Replacement & Adjustment -> Cabin Air Filter, Replace -> Accord -> Civic -> CR-V -> Element, Odyssey & Pilot -> S2000
Vehicle: 2004 Honda Odyssey EX 3.5 V6 GAS
Accord
- Remove glove compartment as outlined in "Heater Core, Replace."
- Remove mounting bolt, screws and glove compartment frame.
- Remove evaporator core lid and filter assembly.
- Remove filter from assembly.
- Reverse procedure to install.
Civic
- Open glove compartment, remove stops and hang compartment down.
- Remove filter lid from blower unit.
- Pull first dust and pollen filter out, then slide second filter to lefthand side and remove.
- Remove filter from housing.
- Reverse procedure to install.
CR-V
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BRAKE SERVICE PROCEDURES FOR 2004 Honda Odyssey AUTOMOBILES
Honda -> Power Brake Units -> Diagnosis & Testing -> Check Valve Test -> Function Test -> Leak Test
Vehicle: 2004 Honda Odyssey LX 3.5 V6 GAS
Function Test
- With engine turned off, depress brake pedal several times, then depress brake pedal hard and hold for 15 seconds. If brake pedal sinks, then brake line, wheel cylinder, brake caliper or master cylinder are faulty. Repair or replace as required.
- Start engine with brake pedal depressed. Pedal should sink slightly. If it does not, the booster or check valve is faulty. Repair or replace as required.
Leak Test
- Depress brake pedal with engine running, then stop engine and hold brake pedal for 30 seconds. Pedal height sh...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 Honda Odyssey AUTOMOBILES
Honda -> Fuel Filter Replacement -> 1999-04 Odyssey -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 2004 Honda Odyssey EX 3.5 V6 GAS
Fuel System Pressure Relief
- Obtain the vehicle owners radio theft protection code prior to disconnecting the battery ground cable, if equipped.
- Disconnect the battery ground cable.
- Remove the fuel fill cap to release fuel tank pressure.
- Place a shop towel over the fuel pulsation damper located on top of fuel r...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2004 Honda Odyssey AUTOMOBILES
CV AXLE SHAFT, Replace -> Front
Vehicle: 2004 Honda Odyssey LX 3.5 V6 GAS
Front
- Loosen wheel nuts slightly.
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove wheel nuts and front wheels.
- Lift up locking tab on spindle nut then remove nut.
- Drain transmission fluid, then reinstall drain plug using new washer.
- Remove lock pin from lower arm ball joint castle nut and remove nut then separate lower ball joint lower arm from using ball joint thread protector and remover.
- To avoid damaging ball joint, install ball joint thread protector onto threads of ball joint stud. Be careful not to damage ball joint boot when instal...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 Honda Odyssey AUTOMOBILES
Alternator, Replace
Vehicle: 2004 Honda Odyssey EX 3.5 V6 GAS
- Make sure you have anti-theft codes for radio and navigation system, then write down customer's audio presets. Make sure ignition switch is OFF.
- Disconnect battery ground cable, then disconnect positive cable at battery.
- Remove intake manifold cover.
- Remove drive belt.
- Remove harness clamp, then remove bracket.
- Disconnect alternator connector and black wire from alternator.
- Remove bolt, then disconnect A...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2004 Honda Odyssey AUTOMOBILES
Cabin Air Filter Service -> Honda -> 1998-2004 Odyssey & 2003-08 Pilot
Vehicle: 2004 Honda Odyssey EX 3.5 V6 GAS
On 1998-2004 Odyssey models, the cabin air filter should be replaced every 30,000 miles or 24 months. If the vehicle is operated primarily in urban areas with high concentrations of soot and diesel powered vehicles, replace the filter every 15,000 miles. The filter should be replaced more often if air flow is less than normal.
On 2003-05 Pilot models, the cabin air filter should be replaced every 30,000 miles or 24 months. The filter should be replaced more often if air flow is less than normal.
On 2006-08 Pilot models, the cabin air filter should be replaced at ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2004 Honda Odyssey AUTOMOBILES
Honda -> Air Bag Warning Lamp ->
Vehicle: 2004 Honda Odyssey LX 3.5 V6 GAS
The air bag warning lamp will light for a few seconds when the ignition switch is placed in the on position as a bulb check. I...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 Honda Odyssey AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2004 Honda Odyssey EX 3.5 V6 GAS
Lower
- Drain engine coolant into a suitable container.
- Reposition hose clamp and remove hose from thermostat side of water passage.
- Reposition hose clamp and remove hose from radiator outlet.
- Remove hose from vehicle.
- Reve...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2004 Honda Odyssey AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2004 Honda Odyssey LX 3.5 V6 GAS
- Rotate or lift belt tensioner arm, using a suitable wrench to relieve tension from drive belt. This is a hydraulic type a...
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COMPONENT LOCATION DIAGRAMS FOR 2004 Honda Odyssey AUTOMOBILES
Component location diagrams for most 2004 Honda Odyssey cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2004 Honda Odyssey AUTOMOBILES
OEM drawn wiring diagrams for most 2004 Honda Odyssey cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2004 Honda Odyssey AUTOMOBILES
OEM TSB listings for most 2004 Honda Odyssey cars and light trucks sold in the U.S. from 1985+.
Document: ATEQ VT55 TPMS Update Information Vehicle: 2004 Honda Odyssey EX 3.5 V6 GAS Auto Systems: |
Document: ED-18 Battery Analyzer Update Information Vehicle: 2004 Honda Odyssey EX 3.5 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2004 Honda Odyssey AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 Honda Odyssey cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 2004 Honda Odyssey cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 2004 Honda Odyssey cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 2004 Honda Odyssey cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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