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2003 Cadillac Seville CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Cadillac 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
- Tire Pressure Monitoring System
- 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 Cadillac Seville car and truck
repair procedures including Cadillac 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 Cadillac Seville automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 Cadillac Seville AUTOMOBILES
Electric Cooling Fans -> DeVille & Seville -> Component Replacement -> DeVille -> Seville
Vehicle: 2003 Cadillac Seville SLS 4.6 V8 GAS
DeVille
- Remove push-in retainers and upper filler panel.
- Raise and support vehicle.
- Remove push-in retainers and front air deflector.
- Remove mounting bolts and place hood latch support on fender cover over front bumper fascia.
- Pull upper radiator hose away from upper tie bar and temporarily restrain aside.
- Remove mounting bolt and upper radiator hose support from upper tie bar.
- Drain cooling system into suitable container.
- Remove bolt and engine oil cooler line clip from fan shroud.
- Lower vehicle.
- Disconnect cl...
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BRAKE SERVICE PROCEDURES FOR 2003 Cadillac Seville AUTOMOBILES
Anti-lock Brakes -> Delco/Bosch Type 5.3 -> Precautions -> ABS Service
Vehicle: 2003 Cadillac Seville SLS 4.6 V8 GAS
ABS Service
Before performing any repairs on the ABS system, note the following precautions:
- Before using electric welding equipment, disconnect EBCM.
- Carefully note routing, position and mounting ABS and TCS wiring, connectors, clips and brackets. ABS and TCS are extremely sensitive to electromagnetic interference.
- Do not use a fast charger when battery is connected. Never disconnect battery from system with engine running.
- Ignition switch must be in Off position when disconnecting EBCM.
- Many ABS system components ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Cadillac Seville AUTOMOBILES
General Motors Corp./Saturn Passenger Cars -> Fuel Filter Replacement -> Except Aveo, Chevette 1.8L Diesel, Corvette, GTO, LaCrosse, Malibu (2004-06) & Malibu Maxx, Vibe, XLR, 2004-05 Corvette & 1998-2002 Metro & Prizm
Vehicle: 2003 Cadillac Seville SLS 4.6 V8 GAS
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.
After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while the v...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Cadillac Seville AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2003 Cadillac Seville SLS 4.6 V8 GAS
- Raise vehicle and suitably support.
- Remove wheel and tire.
- Loosen or remove stabilizer shaft link assembly bolt as needed.
- Remove ball joint cotter pin and nut. Do not attempt to free ball stud by using a pickle fork or wedge type tool, because seal or bushing damage could result. Use the proper tool to separate all ball joints.
- With the pry bar between suspension support and lower control arm, separate joint.
- Remove hub nut. Insert a drift or screwdriver into caliper and rotor to prevent rotor from turning.
- Disconnect axle from hub using a suitable tool. The hub ...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2003 Cadillac Seville AUTOMOBILES
Component Replacement -> Installation -> Removal -> Tire Pressure Indicator Sensor
Vehicle: 2003 Cadillac Seville STS 4.6 V8 GAS
Tire Pressure Indicator Sensor
Removal
- Loosen the lug nuts.
- Raise and support vehicle with jack stands, then remove the wheel and tire assembly.
- Prior to dismounting the tire from the wheel, note the following precautions:
- Position the bead breaking fixture 90° from the valve stem when separating the tire bead from the wheel.
- Place the mounting and dismounting head so that the tire iron or pry bar can be inserted slightly clockwise of the sensor body when prying the tire bead up and over the head.
- Rotate the tire and wheel assembly clockwise using the tire changer when transferri...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Cadillac Seville AUTOMOBILES
Starter, Replace
Vehicle: 2003 Cadillac Seville STS 4.6 V8 GAS
- Disconnect battery ground cable.
- Remove intake manifold.
- Disconnect starter S-terminal wire and battery cable.
- Remove mounting bolts and starter.
- Remove solenoid and battery cab...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Cadillac Seville AUTOMOBILES
Cabin Air Filter Service -> General Motors Corp./Saturn -> 1997-2004 Seville
Vehicle: 2003 Cadillac Seville SLS 4.6 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.
- Place the ignition switch in the Off position, then remove the SIR (Supplemental Inflatable Restraint) fuse from the rear fuse panel. On 1997 models, the rear fuse panel is located in the luggage compartment. On 1998-2004 models, the rear fuse panel is located under the rear seat.
- On all models, remove the two retaining screws from the rear edge of the lefthand sound insulator.
- Push in on the snap tabs to release the insulator.
- Discon...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Cadillac Seville AUTOMOBILES
General Motors Corp./Saturn Cars -> Anti-Lock Warning Lamp ->
Vehicle: 2003 Cadillac Seville SLS 4.6 V8 GAS
This lamp should light when the ignition is turned On. The lamp may light for as long as 30 seconds as a bulb and system inspection. If lamp remains lit or lights while operating the vehicle, a fault condition in the anti-lock brake system is indicated. When lamp is lit, turn ignition Off, then restart engine. If l...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Cadillac Seville AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2003 Cadillac Seville STS 4.6 V8 GAS
Lower
- Disconnect negative battery cable.
- Raise and support vehicle.
- Remove lower front air deflector.
- Drain cooling system into a suitable container.
- Lower vehicle.
- Reposition hose clamp from engine.
- Remove radiator outlet hose from engine.
- Reposition hose clamp from radiator.
- Remove radiator outlet hose from radiator and vehicle.
- Reverse procedure...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Cadillac Seville AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Cadillac Seville SLS 4.6 V8 GAS
- Rotate drive belt tensioner mechanism upward, away from drive ...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Cadillac Seville AUTOMOBILES
Component location diagrams for most 2003 Cadillac Seville cars and light trucks sold in the U.S. from 1990+.
 Heated Oxygen Sensor Bank 2 Sensor 1 Diagram for 2003 Cadillac Seville STS 4.6 V8 GASComponents on diagram: |
 Remote Playback Device CD Changer Diagram for 2003 Cadillac Seville STS 4.6 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2003 Cadillac Seville AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Cadillac Seville cars and light trucks sold in the U.S.
 2003 Cadillac Seville SLS 4.6 V8 GAS Wiring DiagramComponents on diagram: |
 2003 Cadillac Seville STS 4.6 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Cadillac Seville AUTOMOBILES
OEM TSB listings for most 2003 Cadillac Seville cars and light trucks sold in the U.S. from 1985+.
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Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 2003 Cadillac Seville SLS 4.6 V8 GAS Auto Systems: |
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Document: New Website for AFIT, TPM, and VDR Updates Vehicle: 2003 Cadillac Seville SLS 4.6 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Cadillac Seville AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Cadillac Seville 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 Cadillac Seville 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 Cadillac Seville 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 Cadillac Seville 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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