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2003 Toyota MR2 Spyder CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Toyota REPAIR SHOPS DON'T WANT YOU TO KNOW
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- 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
- 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 MR2 Spyder 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 MR2 Spyder automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 Toyota MR2 Spyder AUTOMOBILES
Import Compressor Service -> Zexel Compressor -> Compressor Seal, Replace
Vehicle: 2003 Toyota MR2 Spyder 1.8 L4 GAS
- Remove magnetic clutch assembly as described under "Compressor Clutch, Replace."
- Drain compressor oil, then using shaft seal remover tool No. J-33942, or equivalent, remove shaft seal cover.
- Remove bolt with gasket, then the front cylinder head by alternately tapping cylinder head projections with a plastic hammer. ...
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BRAKE SERVICE PROCEDURES FOR 2003 Toyota MR2 Spyder AUTOMOBILES
Toyota -> Front Disc Brakes -> Brake Pad Service -> 2WD -> 4Runner -> 4WD -> Avalon, Camry, Camry Solara, Corolla, Celica, Highlander, Matrix, MR2 & Sienna -> Disc, Replace -> Echo & RAV4 -> Land Cruiser -> Sequoia & Tundra -> Tacoma
Vehicle: 2003 Toyota MR2 Spyder 1.8 L4 GAS
Avalon, Camry, Camry Solara, Corolla, Celica, Highlander, Matrix, MR2 & Sienna
- Remove front wheel and reinstall lug nuts to locate disc temporarily.
- Remove caliper from torque plate and suspend so brake hose is not under tension. Do not disconnect brake hose.
- Refer to Figs. through , and remove the following components:
- Brake pads.
- Anti-squeal shims.
- Pad wear indicator plates.
- Support plates.
- Anti-squeal springs.
- Install new pad support plates.
- Install new pad wear indicator plates on each pad with arrow pointing in direction of disc rotation.
- Install new anti-squeal shims on each pad.
- I...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Toyota MR2 Spyder 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 MR2 Spyder 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 MR2 Spyder AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2003 Toyota MR2 Spyder 1.8 L4 GAS
- Raise and support vehicle.
- Remove wheel and tire assembly.
- Remove engine under-covers.
- Drain transmission fluid.
- Unstake driveshaft hub nut.
- With an assistant applying brakes, remove and discard driveshaft hub nut.
- Remove bolt and disconnect hose from shock absorber body.
- Loosen, but do not remove, the two bolts on the lower end of shock absorber.
- Remove bolt and nut and disconnect strut rod from rear of axle carrier.
- Remove bolts and nuts and disconnect both lower control arms from axle carrier.
- Remove lower shock absorber bolt, then use a plastic hammer to drive out driveshaft fr...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Toyota MR2 Spyder AUTOMOBILES
Alternator, Replace
Vehicle: 2003 Toyota MR2 Spyder 1.8 L4 GAS
- Disconnect battery ground cable.
- Turn drive belt tensioner clockwise to relieve tension on belt, and then remove belt. Carefully return tensioner to unloaded position.
- Remove righthand engine mounting insulator.
- Disconnect wire clamp from wire clip on rectifier end fr...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Toyota MR2 Spyder AUTOMOBILES
Toyota -> Low Coolant Lamp ->
Vehicle: 2003 Toyota MR2 Spyder 1.8 L4 GAS
This lamp will be illuminated when the coolant level in the radiator drops below a pre-determined point. To reset the lamp, bring the c...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Toyota MR2 Spyder AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 2003 Toyota MR2 Spyder 1.8 L4 GAS
Inlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at heater core.
- Remove hose from heater core.
- Reposition hose clamp at water outlet.
- Remove hose from water outlet.
- Remove hose from vehicle.
- Reverse procedure to install.
Outlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp a...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Toyota MR2 Spyder AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Toyota MR2 Spyder 1.8 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 Toyota MR2 Spyder AUTOMOBILES
Component location diagrams for most 2003 Toyota MR2 Spyder cars and light trucks sold in the U.S. from 1990+.
 Body Diagram for 2003 Toyota MR2 Spyder 1.8 L4 GASComponents on diagram: |
 Engine Immobilizer Components Diagram for 2003 Toyota MR2 Spyder 1.8 L4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2003 Toyota MR2 Spyder AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Toyota MR2 Spyder cars and light trucks sold in the U.S.
 2003 Toyota MR2 Spyder 1.8 L4 GAS Wiring DiagramComponents on diagram: |
 2003 Toyota MR2 Spyder 1.8 L4 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Toyota MR2 Spyder AUTOMOBILES
OEM TSB listings for most 2003 Toyota MR2 Spyder 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 MR2 Spyder 1.8 L4 GAS Symptoms: |
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Document: REPAIR MANUAL SUPPLEMENT: VEHICLE PULLING TO ONE SIDE - REVISED Vehicle: 2003 Toyota MR2 Spyder 1.8 L4 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Toyota MR2 Spyder AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Toyota MR2 Spyder 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 MR2 Spyder 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 MR2 Spyder 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 MR2 Spyder 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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