Auto Parts Search


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

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

    Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Domestic Vehicles
    Vehicle: 2003 Chevrolet Silverado 2500 HD 6.6 V8 DIESEL

    [[table data]]

    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 -> Bendix Brake Booster -> Power Brake Unit Replacement -> Astro & Safari -> C & K Series -> Express & Savana -> P Series
    Vehicle: 2003 Chevrolet Silverado 2500 HD 8.1 V8 GAS

    Astro & Safari

    • Apply parking brake.
    • Disconnect reservoir and power steering hoses from booster.
    • Remove master cylinder to brake booster retaining nuts.
    • Position and support master cylinder away from booster.. Do not remove hydraulic lines from master cylinder.
    • Remove booster rod from top of brake pedal.
    • Remove booster mounting nuts from inside of vehicle.
    • Remove booster assembly and gasket.
    • Reverse procedure to install, noting the following:
      • Torque booster mounting nuts to 27 ft. lbs.
      • Torque master cylinder retaining nuts to 27 ft. lbs.
      • Torque power steering hoses to booster n...

    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 -> Component Locations -> 1999-06 Silverado & Sierra
    Vehicle: 2003 Chevrolet Silverado 2500 HD 8.1 V8 GAS

    Refer ...

    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 6.6 V8 DIESEL

    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

    Starter, Replace
    Vehicle: 2003 Chevrolet Silverado 2500 HD 6.6 V8 DIESEL

    • Disconnect battery ground cable.
    • Raise and support vehicle, then remove righthand front tire and wheel assembly.
    • Remove righthand front fender wheelhouse inner panel.
    • Remove starter motor battery positive cable, then solenoid wires.
    • Remove star...

    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 6.0 V8 GAS

    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 -> Check Engine Oil Level ->
    Vehicle: 2003 Chevrolet Silverado 2500 HD 6.0 V8 GAS

    This system is used to indicate a low engine oil level condition. The lamp should light during engine starting. If oil level is sufficient, the lamp should go off when engine is operating. If oil level is low the...

    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

    Heater Hose, Replace -> Inlet -> Outlet
    Vehicle: 2003 Chevrolet Silverado 2500 HD 6.0 V8 GAS

    Inlet

    • Drain cooling system into a suitable container.
    • Remove air intake tube.
    • Remove heater and surge tank hose from mounting clip.
    • Reposition heater core inlet hose clamp at engine coolant inlet fitting.
    • Remove hose from engine coolant inlet fitting.
    • Reposition heater hose inlet clamp at heater core.
    • Remove heater inlet hose from ...

    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 8.1 V8 GAS

    • Rotate tensioner counterclockwise, using suitab...

    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+.

    HVAC Module Assembly Diagram for 2003 Chevrolet Silverado 2500 HD  6.0 V8 GASHVAC Module Assembly Diagram for 2003 Chevrolet Silverado 2500 HD 6.0 V8 GAS

    Components on diagram:
  • Blower Motor Resistor Assembly
  • Blower Motor
  • Mode Actuator
  • Air Temperature Actuator
  • Radio Antenna Connections Diagram for 2003 Chevrolet Silverado 2500 HD  6.6 V8 DIESELRadio Antenna Connections Diagram for 2003 Chevrolet Silverado 2500 HD 6.6 V8 DIESEL

    Components on diagram:
  • Radio
  • Inline Connector to Mast
  • Instrument Panel
  • Antenna Wiring
  • 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  6.6 V8 DIESEL Wiring Diagram2003 Chevrolet Silverado 2500 HD 6.6 V8 DIESEL Wiring Diagram

    Components on diagram:
  • Digital Radio Receiver
  • 2003 Chevrolet Silverado 2500 HD  6.0 V8 CNG Wiring Diagram2003 Chevrolet Silverado 2500 HD 6.0 V8 CNG Wiring Diagram

    Components on diagram:
  • Driver Door Module
  • Front Passenger Door Module
  • 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 2005 Chevrolet Silverado 2500 HD Mirror, Driver Side2005 Chevrolet Silverado 2500 HD Mirror, Driver Side.

    Source: Auto Body Parts Store

    $76.67

    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 2013 Chevrolet Express Van Park Lamp Lens/housing, Passenger Side2013 Chevrolet Express Van Park Lamp Lens/housing, Passenger Side, PARK LAMP LENS/HOUSING, RH, PARK/SIGNAL/MARKER COMBO , , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $24.45

    Click here to view more details about 1994 Isuzu Pickup L4, 2.3 L, 2254 CC Rebuilt Engine1994 Isuzu Pickup L4, 2.3 L, 2254 CC Rebuilt Engine, SOHC, supplied with new head casting., Warranty: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

    $1,724.00

    Click here to view more details2010 Chevrolet Silverado 2500 HD Used Air Cleaner Assembly, 6.6, AUTO, 4X4 6.6L, Very Good.

    Source: Used Auto Parts Store

    $257.00

    Click here to view more details2006 Chevrolet Silverado 2500 HD Used Hub Bearing , Driver Side, FRONT-151058, AFTERMARKET.

    Source: Used Auto Parts Store

    $174.00
    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 Chevrolet Silverado 2500 HD 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