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2003 Cadillac Deville CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Cadillac REPAIR SHOPS DON'T WANT YOU TO KNOW

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Cadillac Deville 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 Deville automobile. Try the Automotix DIY solution today!
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Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Cadillac mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 2003 Cadillac Deville vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

A/C & HEATER SERVICE PROCEDURES FOR 2003 Cadillac Deville AUTOMOBILES

Computer Relearn Procedures -> General Motors Corp. -> 1997-98 -> 1998-2000 -> 1998-99 -> 1999-2001 -> 1999-2002 -> 2.2L & 2.4L Engines -> 2000-02 -> 2000-04 -> 2001-02 -> 2001-04 -> 3.1L, 3.4L, 3800/3.8L, 4.0L & 4.6L Engines -> 3.5L Engine -> 5.7L Engine -> Achieva, Alero, Grand Am & Skylark -> Achieva, Cavalier, Skylark & Sunfire -> Alero & Grand Am -> Alero & Malibu -> Aurora -> Aurora, Bonneville, DeVille, LeSabre & Seville -> Aurora, Bonneville, Grand Prix, LeSabre & Park Avenue -> Auto Learn Passlock Procedure -> Body Control Module (BCM) -> Bonneville -> Bonneville, Eighty Eight, LeSabre, LSS & Park Avenue -> C & K Series w/Diesel Engine -> C & K Trucks w/Diesel Engine -> Camaro & Firebird -> Catera -> Cavalier & Sunfire -> Century -> Century, Grand Prix, Impala, Intrigue, Lumina, Monte Carlo & Regal -> Century, Impala, Intrigue, Monte Carlo & Regal -> Corvette -> Crankshaft Position System Variation Learn -> Cutlass & Malibu -> Dash Integration Module (DIM) -> DeVille -> DeVille, Eldorado & Seville -> EEPROM -> Eldorado -> Engine Control Module (ECM) -> Engine Performance -> Except Park Avenue -> Grand Am -> Grand Prix & Regal -> Impala & Monte Carlo -> Instrument Panel Integration Module (IPM) -> Intrigue -> LeSabre -> Less Tech 2 Or Techline Terminal -> Light Truck & Vans -> Park Avenue -> Passenger Cars -> Passkey Module -> Passlock Learn Procedure -> PCM -> Powertrain Control Module (PCM) -> Powertrain Control Module (PCM) & Vehicle Control Module (VCM) -> Rear Integration Module -> Riviera -> Seville -> T50/T60/T20+ -> TDC Offset Adjustment -> Theft Deterrent System Programming -> VCM -> With Tech 2 -> With Techline Terminal & Scan Tool
Vehicle: 2003 Cadillac Deville 4.6 V8 GAS

Passenger Cars

Body Control Module (BCM)
Alero & Grand Am

This procedure must be performed if the BCM, Passlock sensor or PCM is replaced. If BCM is not properly programmed, it will not control all the features properly.

  • Ensure battery is fully charged and ignition switch is in the ON position.
  • Connect a suitably programmed Tech II, or equivalent, scan tool to Data Link Connector (DLC).
  • Access scan tool "Special Functions" menu and follow scan tool instructions to program BCM.
  • If BCM fails to accept the pr...

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BRAKE SERVICE PROCEDURES FOR 2003 Cadillac Deville AUTOMOBILES

Disc Brakes -> AC-Delco Single Piston Rear Disc Brake (Type 2) -> Tightening Specifications
Vehicle: 2003 Cadillac Deville 4.6 V8 GAS

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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Cadillac Deville 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 Deville DTS 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 Deville AUTOMOBILES

CV AXLE SHAFT, Replace
Vehicle: 2003 Cadillac Deville 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 may ...

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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2003 Cadillac Deville AUTOMOBILES

Wiring Diagrams -> Wire Color Code Identification
Vehicle: 2003 Cadillac Deville DTS 4.6 V8 GAS

Refer to Figs. and for wir...

[[table data]]

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Cadillac Deville AUTOMOBILES

Starter, Replace
Vehicle: 2003 Cadillac Deville 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 Deville AUTOMOBILES

Cabin Air Filter Service -> General Motors Corp./Saturn -> 2000-05 DeVille
Vehicle: 2003 Cadillac Deville 4.6 V8 GAS

Under normal operating conditions the cabin air filter should be replaced every 12 months or 15,000 miles. In dusty areas change the cabin air filter more often.

  • Open the hood.
  • Remove the cabin air filter access cover from the righthand side of the cowl panel, On 2000 models, use a suitable screwdriver to pry up the access cover. On 2001-05 models, press the tabs to release...

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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Cadillac Deville AUTOMOBILES

General Motors Corp./Saturn Cars -> Low Washer Fluid Indicator ->
Vehicle: 2003 Cadillac Deville DHS 4.6 V8 GAS

The windshield washer solvent tank has a switch that closes when the wash...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Cadillac Deville AUTOMOBILES

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2003 Cadillac Deville 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 Deville AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 2003 Cadillac Deville DTS 4.6 V8 GAS

  • Mark running direction, if belt is to be reused.
  • Rotate drive belt tensioner mechanism upward and away from drive belt us...

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COMPONENT LOCATION DIAGRAMS FOR 2003 Cadillac Deville AUTOMOBILES

Component location diagrams for most 2003 Cadillac Deville cars and light trucks sold in the U.S. from 1990+.

Upper Right Side Of The Instrument Panel Diagram for 2003 Cadillac Deville DHS 4.6 V8 GASUpper Right Side Of The Instrument Panel Diagram for 2003 Cadillac Deville DHS 4.6 V8 GAS

Components on diagram:
  • Blower Motor
  • Under The Right Rear Of The Vehicle, Above The Rear Axle Diagram for 2003 Cadillac Deville DHS 4.6 V8 GASUnder The Right Rear Of The Vehicle, Above The Rear Axle Diagram for 2003 Cadillac Deville DHS 4.6 V8 GAS

    Components on diagram:
  • Wheel Speed Sensor
  • CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac Deville PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2003 Cadillac Deville AUTOMOBILES

    OEM drawn wiring diagrams for most 2003 Cadillac Deville cars and light trucks sold in the U.S.

    2003 Cadillac Deville DHS 4.6 V8 GAS Wiring Diagram2003 Cadillac Deville DHS 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Ignition Switch
  • Park Relay
  • Powertrain Control Module
  • Shift Interlock Actuator
  • Rear Integration Module
  • 2003 Cadillac Deville DHS 4.6 V8 GAS Wiring Diagram2003 Cadillac Deville DHS 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Outside Rearview Mirror-Passenger
  • Outside Rearview Mirror-Driver
  • CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac Deville WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2003 Cadillac Deville AUTOMOBILES

    OEM TSB listings for most 2003 Cadillac Deville cars and light trucks sold in the U.S. from 1985+.

    Document: Revised General Motors New Vehicle Tire Warranty Program
    Vehicle: 2003 Cadillac Deville 4.6 V8 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • Document: New Website for AFIT, TPM, and VDR Updates
    Vehicle: 2003 Cadillac Deville 4.6 V8 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac Deville TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2003 Cadillac Deville AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Cadillac Deville 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 Deville 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 Deville 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 Deville 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

    CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac Deville SPECIFICATIONS DATA!

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