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2003 Ford Thunderbird CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Ford 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
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 2003 Ford Thunderbird AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Domestic Vehicles
Vehicle: 2003 Ford Thunderbird 3.9 V8 GAS
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BRAKE SERVICE PROCEDURES FOR 2003 Ford Thunderbird AUTOMOBILES
Power Brake Units -> Description -> Bendix Diaphragm Types -> Bendix Hydro-Boost System -> Operation -> Vacuum Assist Diaphragm Type
Vehicle: 2003 Ford Thunderbird 3.9 V8 GAS
Vacuum Assist Diaphragm Type
The vacuum assist diaphragm assembly multiplies the force exerted on the master cylinder piston in order to increase the hydraulic pressure delivered to the wheel cylinders while decreasing the effort necessary to obtain acceptable stopping performance.
Vacuum assist units get their energy by opposing engine vacuum to atmospheric pressure. A piston, cylinder and flexible diaphragm utilize this energy to provide brake assistance. The diaphragm is balanced with engine vacuum until the brake pedal is depressed, allowing atmospheric pressure to unbalance the u...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Ford Thunderbird AUTOMOBILES
Ford Motor Co. Passenger Cars -> Fuel Filter Scheduled Maintenance -> 1999-06 Continental, Mark VI, Mark VII, Mark VIII, LS, Town Car, Versailles & 2002-05 Thunderbird -> Normal Service -> Severe Service
Vehicle: 2003 Ford Thunderbird 3.9 V8 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Ford Thunderbird AUTOMOBILES
DRIVESHAFT U-JOINT, Replace
Vehicle: 2003 Ford Thunderbird 3.9 V8 GAS
The single center U-joint is of a lubed for life design that r...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Ford Thunderbird AUTOMOBILES
Starter, Replace
Vehicle: 2003 Ford Thunderbird 3.9 V8 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove ground strap from starter motor mounting stud.
- Remove starter cable cover from starter, then sta...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Ford Thunderbird AUTOMOBILES
Cabin Air Filter Service -> Ford Motor Co. -> 2002-05 Thunderbird & 2005-09 Mustang
Vehicle: 2003 Ford Thunderbird 3.9 V8 GAS
Under normal operating conditions the cabin air filter should be replaced every 15,000 miles. In dusty areas change the cabin air filter more often.
- Open the hood.
- Remove the lefthand and righthand cowl trim pieces.
- Note position of wiper blades on windshield.
- Remove the wiper arm nut covers, then the nuts and wiper arms.
- Remove the pin type retainers attaching the cowl cover to the cowl, Fig. .
- Release the righthand corner of the cabin air filter by pushing on the retaining cl...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Ford Thunderbird AUTOMOBILES
Ford Motor Co. Cars -> Electronic Throttle Control ->
Vehicle: 2003 Ford Thunderbird 3.9 V8 GAS
Electronic throttle displays when the system has malfunctioned and the engine has defaulted to a limp-home operation. On vehicles equipped with ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Ford Thunderbird AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2003 Ford Thunderbird 3.9 V8 GAS
Inlet
Two inlet hoses are used on this vehicle, using same removal procedure for both.
- Drain cooling system into a suitable container.
- Reposition heater hose inlet clamp at heater core.
- Remove heater inlet hose from heater core.
- Reposition heater core inlet hose clamp at coolant control valve.
- Remove hose from coolant control valve.
- Remove h...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Ford Thunderbird AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Ford Thunderbird 3.9 V8 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 Ford Thunderbird AUTOMOBILES
Component location diagrams for most 2003 Ford Thunderbird cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2003 Ford Thunderbird AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Ford Thunderbird cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Ford Thunderbird AUTOMOBILES
OEM TSB listings for most 2003 Ford Thunderbird cars and light trucks sold in the U.S. from 1985+.
Document: ACCESSORY DRIVE BELT SNAP NOISE IN FREEZING TEMPERATURES Vehicle: 2003 Ford Thunderbird 3.9 V8 GAS Symptoms: |
Document: EXTENDED COVERAGE PROGRAM - EXTENDED WARRANTY COVERAGE ON IGNITION COIL COVER AND WIPER MOTOR BRACKET SEAL Vehicle: 2003 Ford Thunderbird 3.9 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Ford Thunderbird AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Ford Thunderbird 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 Ford Thunderbird 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 Ford Thunderbird 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 Ford Thunderbird 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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