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2003 Honda Civic 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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- 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 Civic 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 Civic automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 Honda Civic AUTOMOBILES
Computer Relearn Procedures -> Honda
Vehicle: 2003 Honda Civic GX 1.7 L4 CNG
ECM/PCM reset procedure, either of the following actions will reset the ECM/PCM:
- Use the OBD II or Honda PGM tester to clear the ECM/PCM's memory, refer to sc...
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BRAKE SERVICE PROCEDURES FOR 2003 Honda Civic AUTOMOBILES
Honda -> Power Brake Units -> Power Brake Unit Service -> Power Booster Overhaul -> Power Booster, Replace
Vehicle: 2003 Honda Civic GX 1.7 L4 CNG
Power Booster, Replace
- Remove reservoir and remove fluid with suitable syringe.
- Disconnect master cylinder brake lines and electrical connectors.
- Remove mounting nuts and master cylinder.
- Disconnect booster vacuum hose and bracket.
- Remove throttle control cable bracket and disconnect engine wire harness connectors.
- On models equipped with manual transmission,remove clutch reservoir and bracket. Do not disco...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Honda Civic AUTOMOBILES
Honda -> Fuel Filter Scheduled Maintenance -> 1998-06 Accord, Civic & Prelude -> Normal Service -> Severe Service
Vehicle: 2003 Honda Civic LX 1.7 L4 GAS
Normal Service
Ser...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Honda Civic AUTOMOBILES
CV AXLE SHAFT, Replace -> Front
Vehicle: 2003 Honda Civic SI 2.0 L4 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, if lefthand driveshaft is removed.
- Hold stabilizer ball joint pin with suitable tool and remove flange nut.
- Separate front stabilizer link from lower arm.
- Remove lockpin from lower arm ball joint castle nut and remove nut. To avoid damaging ball joint install suitable tool onto thread of ball joint. Do not damag...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Honda Civic AUTOMOBILES
Alternator, Replace
Vehicle: 2003 Honda Civic DX 1.7 L4 GAS
- Disconnect battery ground cable.
- Remove adjust plate mounting bolt, locknut, and mounting bolt, then the belt and power steering pump without disconnecting the hoses.
- Disconnect alternator four-pin connector and cable.
- Loo...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Honda Civic AUTOMOBILES
Cabin Air Filter Service -> Honda -> 2001-05 Civic & 2004-05 Civic Hybrid
Vehicle: 2003 Honda Civic LX 1.7 L4 GAS
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.
- Open the glove compartment.
- While holding the glove compartment, remove the glove compartment stops located at each side by pulling outward on the stop tabs, Fig. .
- Allow the glove compartment to hang downward.
- Remove the cabin air filter cover from the blower unit by...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Honda Civic AUTOMOBILES
Honda -> Electric Power Steering (EPS) Warning Indicator ->
Vehicle: 2003 Honda Civic DX 1.7 L4 GAS
The Electric Power Steering (EPS) warning lamp should be illuminate when the ignition switch is placed in the On position and should turn Off as soon as the engine is started. If the indicator comes On while driving the vehicle, pull the vehicle off to the side of the road. Restart the system by restarting the engine. If the indicator does not go Off after driving a short distance, or comes On again, a fault in the electric ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Honda Civic AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 2003 Honda Civic SI 2.0 L4 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 heater valve tube.
- Reverse procedure to install.
Outlet
- Disconnect negative cable from battery terminal.
- Drain engine coolant into a suitable container.
- Reposition hose clamp with ...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Honda Civic AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Honda Civic Hybrid 1.3 L4 ELECTRIC/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 Civic AUTOMOBILES
Component location diagrams for most 2003 Honda Civic cars and light trucks sold in the U.S. from 1990+.
 Transmission Housing Diagram for 2003 Honda Civic HX 1.7 L4 GASComponents on diagram: |
 Under Left Side Of Dash Diagram for 2003 Honda Civic DX 1.7 L4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2003 Honda Civic AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Honda Civic cars and light trucks sold in the U.S.
 2003 Honda Civic DX 1.7 L4 GAS Wiring DiagramComponents on diagram: |
 2003 Honda Civic GX 1.7 L4 CNG Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Honda Civic AUTOMOBILES
OEM TSB listings for most 2003 Honda Civic cars and light trucks sold in the U.S. from 1985+.
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Document: ATEQ VT55 TPMS Update Information Vehicle: 2003 Honda Civic DX 1.7 L4 GAS Auto Systems: |
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Document: ED-18 Battery Analyzer Update Information Vehicle: 2003 Honda Civic DX 1.7 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Honda Civic AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Honda Civic 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 Civic 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 Civic 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 Civic 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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