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2003 Chevrolet Silverado 2500 HD CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Chevrolet 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 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 Chevrolet Silverado 2500 HD 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 Chevrolet 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 Chevrolet Silverado 2500 HD 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 Chevrolet Silverado 2500 HD AUTOMOBILES

    Air Bag System Precautions -> General Motors Corp. -> Arming -> Light Trucks & Vans -> Passenger Cars
    Vehicle: 2003 Chevrolet Silverado 2500 HD 8.1 V8 GAS

    Passenger Cars

    Reverse disarming procedures to arm the Supplemental Restraint System, noting the following:

    • Ensure all disconnected SRS electrical connectors are securely connected and routed.
    • Install all removed fuses in proper locations.
    • From a safe position at sides of or below air bag module, Turn ignition switch to ON position and observe Air Bag or SRS warning lamp.
    • On all models except Prizm and 1990 Corvette, warning lamp should flash seven to nine times, then go off.
    • On Prizm models, warning lamp should light for six seconds,...

    CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 2500 HD A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 2003 Chevrolet Silverado 2500 HD AUTOMOBILES

    Power Brake Units -> Delco Brake Booster -> Description -> Operation -> Single Diaphragm Type -> Tandem (Dual) Diaphragm Type
    Vehicle: 2003 Chevrolet Silverado 2500 HD 6.6 V8 DIESEL

    In order to properly service power brake systems, a thorough understanding of the various power assist systems is required. These systems provide a mechanical assist, acting to increase the force applied to the master cylinder piston by the driver while decreasing the effort required to obtain acceptable stopping performance. Two basic types of power assist mechanisms are used: vacuum assist diaphragm assemblies which use engine vacuum and in some cases vacuum from an external vacuum pump, and hydraulic assist assemblies which use hydraulic pressure developed by an external pump (us...

    CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 2500 HD BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Chevrolet Silverado 2500 HD AUTOMOBILES

    General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Replacement -> Gasoline Engines Except Equinox, Montana SV6, Relay, Rendezvous w/3.6L Engine, Terraza, Uplander & Vue (2004-06) & 2004-06 Envoy, Rainier & TrailBlazer -> Returnless Fuel System
    Vehicle: 2003 Chevrolet Silverado 2500 HD 6.0 V8 GAS

    Returnless Fuel System

    On models equipped with fuel injected engines, relieve fuel system pressure as outlined under "Fuel System Pressure Relief."

    On models equipped with metal collar quick disconnect connectors, GM tool No. J37088-A, or equivalent, will be required to disconnect the connector. Pri...

    CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 2500 HD FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Chevrolet Silverado 2500 HD AUTOMOBILES

    DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
    Vehicle: 2003 Chevrolet Silverado 2500 HD 8.1 V8 GAS

    Never clamp propeller shaft tubing in a vise. Clamping could dent or deform the tube causing an imbalance or unsafe condition. Always clamp on one of the yokes and support the shaft horizontally. Avoid damaging the slip yoke sealing surface. Nicks may damage the bushing or cut the lip seal.

    Disassemble

    • Support propeller shaft in a line horizontal with table of a press.
    • Mark propeller shaft in order to show which end connects to transmission and which end goes to rear axle.
    • On models equipped with external snap ring retainers, proceed as follows:
      • Disassemble snap rings by ...

    CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 2500 HD DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Chevrolet Silverado 2500 HD AUTOMOBILES

    Alternator, Replace
    Vehicle: 2003 Chevrolet Silverado 2500 HD 8.1 V8 GAS

    • Disconnect battery ground cable.
    • Remove air inlet duct, if required.
    • Disconnect terminal plug and battery lead connections from back of alternator.
    • Remove upper fan shroud mounting bolts and fan shroud.
    • Remove accessory drive belt using suitable 3/8 i...

    CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 2500 HD STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Chevrolet Silverado 2500 HD AUTOMOBILES

    Cabin Air Filter Service -> General Motors Corp./Saturn -> 1999-2007 Silverado, Sierra, 2000-07 Denali, Suburban, Tahoe, Yukon, Yukon XL, 2001-07 Escalade & 2002-07 Avalanche
    Vehicle: 2003 Chevrolet Silverado 2500 HD 6.6 V8 DIESEL

    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.

    • Remove the righthand instrument panel hush panel.
    • Remove the A/C and heater modul...

    CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 2500 HD CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Chevrolet Silverado 2500 HD AUTOMOBILES

    General Motors Corp./Saturn Trucks -> Low Coolant Lamp ->
    Vehicle: 2003 Chevrolet Silverado 2500 HD 6.6 V8 DIESEL

    This lamp should light when engine coolant level in the radiator drops below a predetermined le...

    CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 2500 HD MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Chevrolet Silverado 2500 HD AUTOMOBILES

    Radiator, Replace
    Vehicle: 2003 Chevrolet Silverado 2500 HD 8.1 V8 GAS

    • Drain radiator coolant into suitable container.
    • Remove upper and lower radiator hoses.
    • Remove mounting bolts and lower fan shroud.
    • Remove engine vent hose and surge take hose.
    • Disconnect eng...

    CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 2500 HD RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Chevrolet Silverado 2500 HD AUTOMOBILES

    Serpentine Drive Belt, Replace
    Vehicle: 2003 Chevrolet Silverado 2500 HD 6.0 V8 GAS

    • Rotate tensioner clockwise to release belt tension using suitable wrench, then remove belt.
    • Route belt over pulleys excep...

    CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 2500 HD SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR 2003 Chevrolet Silverado 2500 HD AUTOMOBILES

    Component location diagrams for most 2003 Chevrolet Silverado 2500 HD cars and light trucks sold in the U.S. from 1990+.

    Rear Wheel Steering Module Power,Ground and Connector C-116 Diagram for 2003 Chevrolet Silverado 2500 HD  6.6 V8 DIESELRear Wheel Steering Module Power,Ground and Connector C-116 Diagram for 2003 Chevrolet Silverado 2500 HD 6.6 V8 DIESEL

    Components on diagram:
  • Negative Battery Cable
  • Chassis Harness
  • Power Lead
  • Evaporative Emissions Canister Purge Solenoid Diagram for 2003 Chevrolet Silverado 2500 HD  8.1 V8 GASEvaporative Emissions Canister Purge Solenoid Diagram for 2003 Chevrolet Silverado 2500 HD 8.1 V8 GAS

    Components on diagram:
  • Evaporative Emission Canister Purge Solenoid
  • CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 2500 HD PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2003 Chevrolet Silverado 2500 HD AUTOMOBILES

    OEM drawn wiring diagrams for most 2003 Chevrolet Silverado 2500 HD cars and light trucks sold in the U.S.

    2003 Chevrolet Silverado 2500 HD  6.0 V8 GAS Wiring Diagram2003 Chevrolet Silverado 2500 HD 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Fuel Injector 5
  • Fuel Injector 4
  • Fuel Injector 2
  • Fuel Injector 3
  • Fuel Injector 7
  • 2003 Chevrolet Silverado 2500 HD  6.0 V8 GAS Wiring Diagram2003 Chevrolet Silverado 2500 HD 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Left Turn Indicator
  • Driver Door Module
  • Park/Turn Signal Lamp -Left Front
  • Outside Rearview Mirror -Driver
  • CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 2500 HD WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2003 Chevrolet Silverado 2500 HD AUTOMOBILES

    OEM TSB listings for most 2003 Chevrolet Silverado 2500 HD cars and light trucks sold in the U.S. from 1985+.

    Document: 6.6L LB7, LLY Duramax Diesel Engine Cylinder Head Gasket Missing Thickness Grade Markings-Inspect Block for Stampings
    Vehicle: 2003 Chevrolet Silverado 2500 HD 6.6 V8 DIESEL

    Auto Systems:
  • Diesel Engines
  • Document: Revised General Motors New Vehicle Tire Warranty Program
    Vehicle: 2003 Chevrolet Silverado 2500 HD 6.0 V8 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 2500 HD TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2003 Chevrolet Silverado 2500 HD AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Chevrolet Silverado 2500 HD 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 Chevrolet Silverado 2500 HD 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 Chevrolet Silverado 2500 HD 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 Chevrolet Silverado 2500 HD 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 Chevrolet Silverado 2500 HD SPECIFICATIONS DATA!

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

    Click here to view more details about 2010 Chevrolet Silverado 2500 HD Mirror, Driver And Passenger Side2010 Chevrolet Silverado 2500 HD Mirror, Driver And Passenger Side, Includes all necessary mounting hardware and instructions for easy installation; Made from tough ABS plastic and provides distinctive aerodynamic styling; The passenger side mirror comes with convex glass for greater vision; Paintable to match the vehicle's color; Please use part number S8395012110 when purchasing replacement mirror glass for this mirror set; With Street Scene's limited 3-year warranty..

    Source: Auto Body Parts Store

    $90.97

    Click here to view more details about 2010 Chevrolet Silverado 2500 HD Tail Light, Driver Side2010 Chevrolet Silverado 2500 HD Tail Light, Driver Side.

    Source: Auto Body Parts Store

    $76.91

    Click here to view more details2007 Chevrolet Colorado 15" X 6" Steel Wheel, STEEL WHEEL, 15 X 6, 6 STUDS/LUGS, 5.5" BOLT DIA, SPARE, BLACK , , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $65.13

    Click here to view more details1995 Toyota Pickup L4, 2.4 L, 2366 CC Rebuilt Engine, OHC, RWD, Fuel injected or Carb. Fits 8/84-10/95, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,469.00

    Click here to view more details2001 Chevrolet Silverado 2500 HD Used Air Injection Pump, 5.3, AUTO, 4X4 (4.8L, 5.3L), Very Good.

    Source: Used Auto Parts Store

    $136.00

    Click here to view more details2008 Chevrolet Silverado 2500 HD Used Air Flow Meter/Sensor, 4.3, AUTO, 4X2, Very Good.

    Source: Used Auto Parts Store

    $85.00
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