Auto Parts Search


      Over 40 million used auto parts online. Shop online for auto and truck parts and save up to 75%

2003 Cadillac Deville 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!

    Automotive Domain Names

    Help me findSearch

    Select Section

    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!
    DIY REPAIR SAMPLES > CONTINUE EXPLORING >
    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

    Air Bag System Precautions -> General Motors Corp. -> Disarming -> 1990 -> 1990-93 -> 1990-95 -> 1990-97 -> 1991 -> 1991-93 -> 1991-94 -> 1991-95 -> 1992-93 -> 1992-99 -> 1993-2002 -> 1993-94 -> 1993-98 -> 1994 -> 1994-2002 -> 1994-95 -> 1994-96 -> 1994-98 -> 1995-2002 -> 1995-96 -> 1995-97 -> 1995-98 -> 1995-99 -> 1996 -> 1996-2001 -> 1996-97 -> 1997 -> 1997-2002 -> 1997-98 -> 1997-99 -> 1998-2000 -> 1998-2002 -> 1998-99 -> 1999 -> 1999-2000 -> 1999-2001 -> 1999-2002 -> 2000-02 -> 2001-02 -> 2002 -> 2003 -> 2003-04 -> 2003-04 Except Malibu Maxx -> Achieva & Skylark -> Alero -> Astro & Safari -> Aurora -> Avalanche -> Aveo -> Aztek & Rendezvous -> Beretta & Corsica -> Blazer, Jimmy, Sonoma & S-10 -> Bonneville, Eighty-Eight, LeSabre, LSS, Ninety-Eight & Regency -> Bravada, Envoy, Rainier, SSR & TrailBlazer -> C/K Series -> Camaro & Firebird -> Canyon & Colorado -> Caprice, Custom Cruiser & Roadmaster -> Catera -> Cavalier & Sunfire -> Century -> Corvette -> Coupe -> CTS -> Cutlass -> Cutlass Ciera & Cruiser -> Cutlass Supreme -> DeVille -> Eldorado -> Escalade -> Express, G Series & Savana -> Fleetwood -> Grand Am -> Grand Prix & Intrigue -> Impala -> ION -> L-Series -> Light Trucks & Vans -> Lumina -> Lumina APV, Montana, Silhouette, Trans Sport & Venture -> Malibu -> Malibu Maxx -> Metro -> Monte Carlo -> Park Avenue -> Passenger Cars -> Prizm -> Reatta, Toronado & Trofeo -> Regal -> Riviera -> S-Series -> Sedan -> Seville -> Sierra & Silverado -> SRX -> Storm -> Suburban, Tahoe, Yukon & Yukon XL -> Tracker -> Vibe -> VUE -> XLR -> Zone 1 -> Zone 10 -> Zone 12 -> Zone 2 -> Zone 3 -> Zone 4 -> Zone 5 -> Zone 6 -> Zone 7 -> Zone 8 -> Zone 9 -> Zones 1 & 7 -> Zones 2 & 6 -> Zones 5 & 9 -> Zones 7 & 9
    Vehicle: 2003 Cadillac Deville DHS 4.6 V8 GAS

    Passenger Cars

    The Sensing and Diagnostic Module (SDM) can maintain enough voltage to cause air bag deployment for up to 10 minutes after the ignition is turned Off and the battery is disconnected. Servicing the Supplemental air bag (SIR) system during this period may result in accidental deployment and personal injury.

    Achieva & Skylark
    1994-96
    • Ensure front wheels are in straight-ahead position.
    • Turn ignition switch to LOCK position.
    • Remove AIR BAG fuse from fuse block.
    • On 1995 models, remove lefthand sound insulator panel to ac...

    CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac Deville A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 2003 Cadillac Deville AUTOMOBILES

    Hydraulic Brake Systems -> General Motors -> Description -> Brake Distribution Valve & Switch -> Brake Warning Lamp Switches -> Combination Valve -> Components -> Diagonally Split System -> Failure Warning Switch -> Fluid Level Sensor -> Front & Rear Split System -> Metering Valve -> Proportioning Or Pressure Control Valve -> Warning Lamp
    Vehicle: 2003 Cadillac Deville 4.6 V8 GAS

    Front & Rear Split System

    When the brake pedal is depressed, both the primary (front brake) and the secondary (rear brake) master cylinder pistons are moved simultaneously to exert hydraulic fluid pressure on their respective systems.

    If the rear (secondary) brake system fails, initial brake pedal movement will cause the unrestricted secondary piston to bottom in the master cylinder bore. Primary piston movement will displace hydraulic fluid in the primary section of the master cylinder to actuate the front brake system.

    If the front (primary) brake system fails, initial brake pedal mo...

    CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac Deville BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Cadillac Deville AUTOMOBILES

    General Motors Corp./Saturn Passenger Cars -> Fuel Pressure Relief -> Except Aveo, LaCrosse, LeMans (1988-93), Malibu & Malibu Maxx (2004-05), Metro, Nova, Prizm, Spectrum & Storm -> Engine Fuel Pressure Service Port -> Engines Less Fuel Pressure Service Port
    Vehicle: 2003 Cadillac Deville 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 vehicle relearns its adaptive strateg...

    CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac Deville FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Cadillac Deville AUTOMOBILES

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

    CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac Deville DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2003 Cadillac Deville AUTOMOBILES

    Component Locations
    Vehicle: 2003 Cadillac Deville DHS 4.6 V8 GAS

    Refer to ...

    CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac Deville TIRE PRESSURE MONITORING SYSTEM PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Cadillac Deville AUTOMOBILES

    Alternator, Replace
    Vehicle: 2003 Cadillac Deville DHS 4.6 V8 GAS

    • Disconnect battery ground cable.
    • Remove drive belt.
    • Remove radiator.
    • Disconnect wiring harness connector from alternator.
    • Reposition protective boot from alternator output BAT terminal for access.
    • Remove alternator output BAT terminal nut and disconnect...

    CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac Deville STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    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...

    CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac Deville CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Cadillac Deville AUTOMOBILES

    General Motors Corp./Saturn Cars -> Change Automatic Transmission/Transaxle Fluid Indicator -> 2000 Eldorado, 2000-05 DeVille & Seville
    Vehicle: 2003 Cadillac Deville 4.6 V8 GAS

    • Turn the ignition switch to the on position.
    • Press the INFO button on the DIC (Driver Information Center) button to display Trans Fluid Life.
    • Press ...

    CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac Deville MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Cadillac Deville AUTOMOBILES

    Heater Hose, Replace -> Inlet -> Outlet
    Vehicle: 2003 Cadillac Deville DTS 4.6 V8 GAS

    Inlet

    • Drain cooling system into a suitable container.
    • Reposition inlet heater hose clamp from heater core pipe.
    • Remove hose from heater core.
    • Reposition heater hose clamp from engine.
    • Remove inlet heater hose from engine.
    • Remove hose from vehicle.
    • Reverse procedure to...

    CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac Deville RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Cadillac Deville AUTOMOBILES

    Serpentine Drive Belt, Replace
    Vehicle: 2003 Cadillac Deville DHS 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...

    CLICK HERE TO GET FULL ACCESS TO 2003 Cadillac Deville SERPENTINE BELT SERVICE PROCEDURES

    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+.

    Left Front Corner Of The Vehicle Diagram for 2003 Cadillac Deville DHS 4.6 V8 GASLeft Front Corner Of The Vehicle Diagram for 2003 Cadillac Deville DHS 4.6 V8 GAS

    Components on diagram:
  • Daytime Running Lamp (DRL) Resistor
  • Left Rear Of The Passenger Compartment, Behind The Rear Seat Back Diagram for 2003 Cadillac Deville  4.6 V8 GASLeft Rear Of The Passenger Compartment, Behind The Rear Seat Back Diagram for 2003 Cadillac Deville 4.6 V8 GAS

    Components on diagram:
  • Audio Amplifier
  • 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  4.6 V8 GAS Wiring Diagram2003 Cadillac Deville 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Reverse Relay
  • Rear Integration Module
  • Rear Object Sensor Control Module
  • 2003 Cadillac Deville DTS 4.6 V8 GAS Wiring Diagram2003 Cadillac Deville DTS 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Airbag Indicator
  • Inflatable Restraint Sensing And Diagnostic Module
  • Inflatable Restraint Front End Sensor
  • Inflatable Restraint Side Impact Sensor-Left
  • Inflatable Restraint Side Impact Sensor-Right
  • 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!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details about 2005 Cadillac Deville Bumper Cover, Front2005 Cadillac Deville Bumper Cover, Front.

    Source: Auto Body Parts Store

    $140.99

    Click here to view more details1997 Cadillac Deville Window Switch, 5-button; Blade type; 5-prong and 7-prong male terminals; A high quality, direct fit OE replacement window switch; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $150.79

    Click here to view more details2009 Cadillac XLR 19" X 8.5" Alloy Wheel, ALLOY WHEEL, 19 X 8.5, 5 STUDS/LUGS, 4.75" BOLT DIA, 10 SPOKES, OE CHROME, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $311.45

    Click here to view more details about 1984 Cadillac Deville V8, 5.7 L, 350 CID Rebuilt Engine1984 Cadillac Deville V8, 5.7 L, 350 CID Rebuilt Engine, Flat lifters, 4-bolt main, optional high-performance engine supplied with flat top pistons, performance cam, 194 intake valve heads, and high volume oil pump., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,243.00

    Click here to view more details2002 Cadillac Deville Used Air Injection Pump, 4.6, AUTO, FWD, Very Good.

    Source: Used Auto Parts Store

    $158.00

    Click here to view more details1979 Cadillac Deville Used A/C Compressor, 4.1, AUTO, FWD (RADIAL), Very Good.

    Source: Used Auto Parts Store

    $139.00
    More parts
    Help me findSearch
    Auto Repair Quick Search
    Help me find
    Search DIY repair manuals by VIN...
    Vehicle Identification Number is a unique serial number used by the automotive industry to identify individual motor vehicles

    Find out what info we have for your vehicle

    Get the Complete Technical Service Bulletins!
    Get the Complete Technical Service Bulletins!Access diagrams and repair information such as wiring diagrams, diagnosis and repair charts, manufacturer service bulletins, and OEM Part numbers of your 2003 Cadillac Deville vehicle.
    Access the Complete guide!
    Need To Fix Your Car or Truck?
    Save Money With Free Car Insurance Quote
    FREE car insurance quote
    Enter Zip Code:
    GOT A WEBSITE?Make money with Automotix

    Make money with Automotix Partner Program.

    Learn more

    Auto Repair Quick Search
    Help me find