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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Chevrolet Impala car and truck
repair procedures including Chevrolet 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 2003 Chevrolet Impala automobile. Try the Automotix DIY solution today!
We have info for following modifications of 2003 Chevrolet Impala
- 2003 Chevrolet Impala 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:K
- 2003 Chevrolet Impala 3.4 V6 GAS, CID:207, Fuel Injection, Aspiration:207, Engine VIN:, Desg:E
- 2003 Chevrolet Impala LS 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:K
A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Impala AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Chevrolet Impala cars and light trucks from 1990+
Vacuum & Wiring Diagrams -> Passenger Cars -> Century & Regal
Vehicle: 2003 Chevrolet Impala 3.8 V6 GAS
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A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Impala AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Chevrolet Impala cars and light trucks from 1990+
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 Chevrolet Impala 3.8 V6 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...
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A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Impala AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Chevrolet Impala cars and light trucks from 1990+
Component Replacement & Adjustment -> Impala & Monte Carlo -> Expansion Tube (Orifice), Replace
Vehicle: 2003 Chevrolet Impala 3.4 V6 GAS
- Recover refrigerant as outlined in .
- Remove air cleaner.
- Open hood, then remove mounting nuts and cross-vehicle brace.
- Disconnect retainers and lower lefthand instrument panel insulator.
- Remove courtesy lamp socket by turning it counterclockwise.
- Remove insulator from accelerator stud.
- Disconnect stop lamp switch electrical connector.
- Remove clip and disconnect brake booster pushrod from pedal.
- Partially drain cooling system into suitable container.
- Disconnect EVAP canister purge valve, fuel feed and return pipes. ...
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Impala A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Impala AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Chevrolet Impala cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Domestic Vehicles
Vehicle: 2003 Chevrolet Impala 3.4 V6 GAS
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Impala A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Impala AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Chevrolet Impala cars and light trucks from 1990+
Manual Air Conditioning & Heater System Diagnosis & Testing -> Technical Service Bulletins -> Poor Air Conditioning Performance -- Will Not Blow Cold Enough -> 2003 Sierra & Silverado
Vehicle: 2003 Chevrolet Impala 3.4 V6 GAS
2003 Sierra & Silverado
On some of these models equipped with 6.6L diesel engine the air conditioning performance is less than desirable, especially when ambient temperature is more than 90°F.
To correct this condition perform system inspects as follow:
- Calibrate actuators
- Inspect lower condenser deflector for proper installation. Deflector should be positioned at lower part of condenser and extend forward into top of front bumper and below two fresh air intake holes.
- Inspect engine coo...
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Impala A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Impala AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Chevrolet Impala cars and light trucks from 1990+
Electric Cooling Fans -> Impala & Monte Carlo -> Description -> 3.4L Engine -> 3.8L Engine
Vehicle: 2003 Chevrolet Impala 3.4 V6 GAS
The engine cooling fans are controlled by the Body Control Module (BCM) and the Powertrain Control Module (PCM). The BCM sends a Class 2 message to the PCM requesting cooling fan operation. If there is a Class 2 communication fault between the BCM and the PCM. The PCM will operate the engine cooling fans independently of the BCM.
The engine cooling fan system consists of two electrical cooling fans and three fan relays. The relays are arranged in a series/parallel configuration that allows the PCM to operate both fans together at low or high speeds.
3.4L Engine
The...
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