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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Chevrolet Silverado 2500 HD 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 Silverado 2500 HD automobile. Try the Automotix DIY solution today!
We have info for following modifications of 2003 Chevrolet Silverado 2500 HD
- 2003 Chevrolet Silverado 2500 HD 6.0 V8 GAS, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:U
- 2003 Chevrolet Silverado 2500 HD 8.1 V8 GAS, CID:496, Fuel Injection, Aspiration:496, Engine VIN:, Desg:G
- 2003 Chevrolet Silverado 2500 HD 6.6 V8 DIESEL, CID:400, Fuel Injection, Aspiration:400, Engine VIN:, Desg:1
- 2003 Chevrolet Silverado 2500 HD 6.0 V8 CNG, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:U
A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Silverado 2500 HD 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 Silverado 2500 HD cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Domestic Vehicles
Vehicle: 2003 Chevrolet Silverado 2500 HD 8.1 V8 GAS
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 2500 HD A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Silverado 2500 HD 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 Silverado 2500 HD cars and light trucks from 1990+
Manual Air Conditioning & Heater System Diagnosis & Testing -> Sierra & Silverado -> Air Conditioning System Troubleshooting
Vehicle: 2003 Chevrolet Silverado 2500 HD 6.6 V8 DIESEL
If an air conditioning system fault is suspected, inspect the following conditions:
- Inspect outer surfaces of radiator and condenser cores to ensure air flow is not blocked by dirt, leaves or other foreign material.
- Restrictions or kinks in condenser core, hoses or tubes.
- Blower motor operation.
- Refriger...
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 2500 HD A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Silverado 2500 HD 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 Silverado 2500 HD cars and light trucks from 1990+
A/C Data -> Domestic Light Trucks & Vans -> General Motors Corp./Saturn -> 1992-2002 -> 2003-04
Vehicle: 2003 Chevrolet Silverado 2500 HD 8.1 V8 GAS
199...
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A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Silverado 2500 HD 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 Silverado 2500 HD cars and light trucks from 1990+
General Service Domestic Vehicles -> 2003-04 -> Charging System -> Caravan, Town & Country & Voyager -> Cherokee, Dakota, Full Size Pickups, Liberty, PT Cruiser & Vans, Grand Cherokee & Wrangler -> Concorde, Intrepid, LHS & 300M -> DaimlerChrysler Corp. -> Ford Motor Company -> General Motors -> Neon -> Sebring & Stratus Coupe -> Sebring & Stratus Sedan & Sebring Convertible
Vehicle: 2003 Chevrolet Silverado 2500 HD 6.6 V8 DIESEL
DaimlerChrysler Corp.
Sebring & Stratus Coupe
Never use cans to charge into high pressure side of system (compressor discharge port) or into system at high temperature, as high system pressure transferred into charging may cause it to explode.
- Attach center hose from manifold gauge set to refrigerant dispensing manifold. Turn refrigerant manifold valves completely counterclockwise to open fully, remove protective caps from refrigerant manifold.
- Screw refrigerant cans into manifold. Ensure gasket is in place and in good condition. Torq...
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 2500 HD A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Silverado 2500 HD 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 Silverado 2500 HD 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 Silverado 2500 HD 6.0 V8 CNG
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 Chevrolet Silverado 2500 HD A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Silverado 2500 HD 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 Silverado 2500 HD cars and light trucks from 1990+
Automatic Temperature Control Systems Diagnosis & Testing -> Sierra & Silverado -> Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> System Performance Test
Vehicle: 2003 Chevrolet Silverado 2500 HD 6.6 V8 DIESEL
Accessing Diagnostic Trouble Codes
Connect a suitably programmed scan tool to Data Link Connector (DLC) and follow manufacturer's instructions.
Diagnostic Trouble Code Interpretation
Refer to Fig. , for Diagnostic Trouble Code (DTC) interpretation.
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