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2003 Toyota Celica CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Toyota 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
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- 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 Toyota Celica car and truck
repair procedures including Toyota 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 Toyota Celica automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 Toyota Celica AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 2003 Toyota Celica GT 1.8 L4 GAS
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BRAKE SERVICE PROCEDURES FOR 2003 Toyota Celica AUTOMOBILES
Toyota -> Power Brake Units -> Diagnosis & Testing -> Air Tightness Check -> Brake Booster Operational Test -> Operating Check
Vehicle: 2003 Toyota Celica GTS 1.8 L4 GAS
Brake Booster Operational Test
Operating Check
- Depress brake pedal several times with engine stopped, and ensure pedal reserve distance has no change, Fig. .
- Depress brake pedal and start engine. If pedal drops slightly, operation is normal.
Air Tightness Check
- Start engine and stop after one or two minutes.
- Depress brake peda...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Toyota Celica AUTOMOBILES
Toyota -> Fuel Filter Replacement -> 2000-05 Celica & MR2 -> Fuel System Pressure Relief -> Models Less Union Bolt Fuel Line Connection -> Models w/Union Bolt Fuel Line Connection -> Removal & Installation
Vehicle: 2003 Toyota Celica GTS 1.8 L4 GAS
Fuel System Pressure Relief
Models w/Union Bolt Fuel Line Connection
- 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 union bolt at top of fuel filter. Slowly loosen the union bolt allowing fuel pressure to bleed down.
- Whenever the union bolt is loosened to relieve fuel system pressure, always replace the bolt gasket.
Models Less Union Bolt Fuel Line Connection
- Obtain the vehicle owners radio thef...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Toyota Celica AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2003 Toyota Celica GT 1.8 L4 GAS
- Raise and support vehicle.
- Remove wheel and tire assembly.
- Drain transmission fluid.
- Unstake driveshaft hub nut.
- With an assistant applying brakes, remove driveshaft hub nut.
- Remove cotter pin and nut from outer tie rod end.
- Disconnect tie rod assembly from steering knuckle using a suitable pry tool.
- Remove bolts and nuts and disconnect lower control arm from lower ball joint assembly.
- Disconnect drive shaft from axle hub assembly, using a plastic ha...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Toyota Celica AUTOMOBILES
Starter, Replace
Vehicle: 2003 Toyota Celica GTS 1.8 L4 GAS
- Disconnect battery ground cable.
- Remove upper radiator support seal.
- Disconnect MAF, then vacuum switching valve for EVAP.
- Disconnect two hoses, then three clamps and air cleaner cap from air cleaner case.
- Loosen hose clamp, then disconnect air cleaner hose from throttle body.
- Remove air filter, then disconnect hose from VSV...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Toyota Celica AUTOMOBILES
Cabin Air Filter Service -> Toyota -> 2000-05 Celica
Vehicle: 2003 Toyota Celica GTS 1.8 L4 GAS
On 2000-02 models, under normal operating conditions the cabin air filter should be replaced every 15,000 miles. In dusty areas change the cabin air filter every 10,000 miles.
On 2003-05 models, under normal operating conditions the cabin air filter should be replaced every 22,500 miles. In dusty areas change the cabin air filter every 10,000 miles.
- Open the glove compartment door.
- Remove the two glove compartment pins, then pull the glove compart...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Toyota Celica AUTOMOBILES
Toyota -> Automatic Transmission Overdrive Lamp ->
Vehicle: 2003 Toyota Celica GT 1.8 L4 GAS
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Toyota Celica AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2003 Toyota Celica GTS 1.8 L4 GAS
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Toyota Celica AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Toyota Celica GT 1.8 L4 GAS
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COMPONENT LOCATION DIAGRAMS FOR 2003 Toyota Celica AUTOMOBILES
Component location diagrams for most 2003 Toyota Celica cars and light trucks sold in the U.S. from 1990+.
 Instrument Panel Diagram for 2003 Toyota Celica GT 1.8 L4 GASComponents on diagram: |
 Wiper And Washer System Components Diagram for 2003 Toyota Celica GTS 1.8 L4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2003 Toyota Celica AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Toyota Celica cars and light trucks sold in the U.S.
 2003 Toyota Celica GTS 1.8 L4 GAS Wiring DiagramComponents on diagram: |
 2003 Toyota Celica GT 1.8 L4 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Toyota Celica AUTOMOBILES
OEM TSB listings for most 2003 Toyota Celica cars and light trucks sold in the U.S. from 1985+.
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Document: UPPER/LOWER WINDSHIELD/REAR GLASS TICK NOISE - REVISED Vehicle: 2003 Toyota Celica GT 1.8 L4 GAS Symptoms: |
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Document: REPAIR MANUAL SUPPLEMENT: VEHICLE PULLING TO ONE SIDE - REVISED Vehicle: 2003 Toyota Celica GT 1.8 L4 GAS Symptoms: |
CLICK HERE TO GET FULL ACCESS TO 2003 Toyota Celica TECHNICAL SERVICE BULLETINS!
COMPONENT/PARTS SPECIFICATIONS FOR 2003 Toyota Celica AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Toyota Celica 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 Toyota Celica 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 Toyota Celica 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 Toyota Celica 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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