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2003 Honda Accord 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
- Component Locations
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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
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Honda Accord car and truck
repair procedures including Honda engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your Honda Accord automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 Honda Accord AUTOMOBILES
Honda -> Component Replacement & Adjustment -> Precautions -> Air Bag System Disarming & Arming -> Battery Ground Cable -> Product Compatibility -> Radio Coded Theft Protection System
Vehicle: 2003 Honda Accord LX 3.0 V6 GAS
Air Bag System Disarming & Arming
Refer to and for air bag system disarming and arming procedures.
Product Compatibility
Before replenishing refrigerant or refrigerant oil, ensure product compatibility with the system being serviced. Refer to for specifications.
Battery Ground Cable
Prior to service, disconnect battery ground cable and isolate as required.
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BRAKE SERVICE PROCEDURES FOR 2003 Honda Accord AUTOMOBILES
Honda -> Hydraulic Brake Systems -> Component Service -> Master Cylinder Overhaul -> Wheel Cylinder Overhaul
Vehicle: 2003 Honda Accord LX 2.4 L4 GAS
Master Cylinder Overhaul
Master cylinders are not serviceable and must be replaced as an...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Honda Accord AUTOMOBILES
Honda -> Fuel Filter Scheduled Maintenance -> 1998-06 Accord, Civic & Prelude -> Normal Service -> Severe Service
Vehicle: 2003 Honda Accord DX 2.4 L4 GAS
Normal Service
Ser...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Honda Accord AUTOMOBILES
CV AXLE SHAFT, Replace -> Front
Vehicle: 2003 Honda Accord LX 3.0 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 and reinstall drain plug using a new washer.
- Remove self-locking nut with 12mm flange bolt and 10mm flange bolt then remove dampner fork.
- Remove cotter pin from lower arm ball joint castle nut and remove nut. To avoid damaging ball joint, install ball joint thread protector onto threads of ball joint. Be careful not to damage ball joint boot when installi...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Honda Accord AUTOMOBILES
Starter, Replace
Vehicle: 2003 Honda Accord LX 3.0 V6 GAS
- Disconnect battery ground cable.
- Remove Automatic Transmission Fluid (ATF) cooler hose from starter motor clamp.
- Disconnect starter cable from solenoid B+ terminal and black/white wire from S-terminal, Fig. .
- Remove starter mounting bolts, t...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Honda Accord AUTOMOBILES
Cabin Air Filter Service -> Honda -> 2003-09 Accord & 2005-07 Accord Hybrid
Vehicle: 2003 Honda Accord EX 3.0 V6 GAS
On 2003-05 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 2006-09 models, the cabin air filter should be replaced at Maintenance Minder Indicator Symbol 2. If the vehicle is operated primarily in urban areas with high concentrations of soot and diesel powered vehicles, replace the filter e...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Honda Accord AUTOMOBILES
Honda -> Automatic Transmission (A/T) Fluid Temperature Indicator ->
Vehicle: 2003 Honda Accord EX 2.4 L4 GAS
The A/T fluid temperature lamp will turn on when ignition switch is placed in On position and should turn off after a few seconds. If lamp illuminates while driving, the vehicle should be pulled off the r...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Honda Accord AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 2003 Honda Accord EX 3.0 V6 GAS
Inlet
- Disconnect negative cable from battery terminal.
- Drain engine coolant into a suitable container.
- Reposition hose clamp with suitable tool.
- Remove hose from heater core tube.
- Reposition hose clamp with suitable tool.
- Remove hose from water passage tube.
- Reverse procedure to install.
Outlet
- Disconnect negative cable from battery terminal.
- Drain engine coolant into a suitable container.
- Reposition hose clamp wit...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Honda Accord AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Honda Accord DX 2.4 L4 GAS
- Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Honda Accord AUTOMOBILES
Component location diagrams for most 2003 Honda Accord cars and light trucks sold in the U.S. from 1990+.
 Rear Body Components Diagram for 2003 Honda Accord LX 2.4 L4 GASComponents on diagram: |
 Connector To Harness Index Diagram for 2003 Honda Accord LX 2.4 L4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2003 Honda Accord AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Honda Accord cars and light trucks sold in the U.S.
 2003 Honda Accord EX 3.0 V6 GAS Wiring DiagramComponents on diagram: |
 2003 Honda Accord EX 3.0 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Honda Accord AUTOMOBILES
OEM TSB listings for most 2003 Honda Accord cars and light trucks sold in the U.S. from 1985+.
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Document: ATEQ VT55 TPMS Update Information Vehicle: 2003 Honda Accord DX 2.4 L4 GAS Auto Systems: |
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Document: Product Update: Intake Air Breather Pipe Vehicle: 2003 Honda Accord DX 2.4 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Honda Accord AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Honda Accord 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 2003 Honda Accord 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 2003 Honda Accord 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 2003 Honda Accord 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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