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

    Cooling System Capacities -> General Motors Corp./Saturn Light Trucks & Vans -> 2003-04
    Vehicle: 2003 Chevrolet Silverado 2500 HD 8.1 V8 GAS

    [[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

    Anti-Lock Brakes -> Kelsey-Hayes -> System Service -> Brake Pressure Modulator Valve (BPMV) -> Brake System Bleed -> Component Replacement -> Electronic Brake Control Module (EBCM) -> Front Wheel Speed Sensor -> Manual Bleed -> Pressure Bleed
    Vehicle: 2003 Chevrolet Silverado 2500 HD 6.0 V8 GAS

    Brake System Bleed

    Gravity and vacuum bleeding procedures are not recommended for use with the anti-lock brake system. The manual bleed procedure is the preferred method, although pressure bleeding is also possible. Do not pump the brake pedal during the bleeding process, as fluid aeration may occur.

    Manual Bleed
    • Raise and support vehicle, then connect a clear plastic tube to brake bleed screw at righthand rear wheel.
    • Place free end of tube in a glass jar partially filled with clean brake fluid. Ensure end of tube remains submerged in fluid and master cylinder reservoir is kept full.
    • ...

    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 Scheduled Maintenance -> 1996-03 C/K, G & R/V Series w/Gasoline Engine -> Heavy Duty Emissions -> Light Duty Emissions -> Normal Service -> Severe Service
    Vehicle: 2003 Chevrolet Silverado 2500 HD 8.1 V8 GAS

    Light Duty Emissions

    Normal Service

    Replace every 30,000 miles

    Severe Service

    Rep...

    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

    CV AXLE SHAFT, Replace
    Vehicle: 2003 Chevrolet Silverado 2500 HD 6.0 V8 GAS

    • Raise and support vehicle.
    • Remove wheel and tire assembly.
    • Remove drive axle center cap, if equipped.
    • Insert a drift or large screwdriver through brake caliper into one of the brake rotor vanes in order to prevent drive axle wheel drive shaft from turning.
    • Remove nut and washer from hub. Do not reuse nut. A new nut must be used when installing wheel drive shaft.
    • Using J 45859 or equivalent, press wheel drive shaft from hub.
    • Remove bolts securing wheel drive shaft ...

    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 -> Anti-Lock Brake System Warning Lamp ->
    Vehicle: 2003 Chevrolet Silverado 2500 HD 6.0 V8 GAS

    This lamp should light for approximately 6-8 seconds when the ignition is turned On as a bulb check. If the warn...

    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 6.6 V8 DIESEL

    • Drain coolant into a suitable container.
    • Remove radiator air upper baffle retainers, then upper air baffle, Fig. .
    • Remove inlet and outlet hoses from radiator.
    • Lift lower fan shroud upward to disengage from clips, then remove lower fan shroud from vehicle.
    • Remove surge tank hose from radiator
    • Remove and discard radiator quick connect fittings as follows:
      • Pull caps back along pipe, then holding one leg o...

    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 6.6 V8 DIESEL

    • Rotate tensioner to release belt tension using a 1/2 inch breaker bar with a 5/8 inch socket placed on tensioner pulley, then remove belt.
    • Route be...

    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+.

    Onstar Vehicle Communication Unit Diagram for 2003 Chevrolet Silverado 2500 HD  6.6 V8 DIESELOnstar Vehicle Communication Unit Diagram for 2003 Chevrolet Silverado 2500 HD 6.6 V8 DIESEL

    Components on diagram:
  • Connector C-248
  • Vehicle Communication Unit Harness
  • Fuel Pump Relay Diagram for 2003 Chevrolet Silverado 2500 HD  8.1 V8 GASFuel Pump Relay Diagram for 2003 Chevrolet Silverado 2500 HD 8.1 V8 GAS

    Components on diagram:
  • Fuel Pump Relay
  • 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:
  • Body Control Module
  • Driver Door Module
  • Front Passenger Door Module
  • Outside Rearview Mirror -Driver
  • Outside Rearview Mirror -Passenger
  • 2003 Chevrolet Silverado 2500 HD  8.1 V8 GAS Wiring Diagram2003 Chevrolet Silverado 2500 HD 8.1 V8 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Engine Control 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 2006 Chevrolet Silverado 2500 HD Bed Rails2006 Chevrolet Silverado 2500 HD Bed Rails, Made of stainless steel; Features solid die cast construction; Curved to match truck bed; Easy and quick no-drill installation..

    Source: Auto Body Parts Store

    $180.55

    Click here to view more details2006 Chevrolet Silverado 2500 HD Door Handle, Front, Passenger Side, With keyhole; A high quality, OE replacement door handle; With 1-year limited Matheny warranty..

    Source: Auto Body Parts Store

    $17.48

    Click here to view more details about 2005 Chevrolet Cavalier Manual Door Mirror Assembly, Passenger Side2005 Chevrolet Cavalier Manual Door Mirror Assembly, Passenger Side, PASSENGER SIDE MANUAL DOOR MIRROR ASSEMBLY, SEDAN, GLOSS BLACK , , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $41.04

    Click here to view more details1993 Jeep Cherokee L4, 2.5 L, 150 CID Rebuilt Engine, Block #532, 403, Head #403, 117 Crank #904, Crank snout 2.125", Oil bypass in filter, not in block, FI only, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,297.00

    Click here to view more details2001 Chevrolet Silverado 2500 HD Used A/C Compressor, ID 447220-3423, Very Good.

    Source: Used Auto Parts Store

    $185.00

    Click here to view more details2011 Chevrolet Silverado 2500 HD Used A/C Compressor, 5.3, AUTO, 4X2 5.3L, Very Good.

    Source: Used Auto Parts Store

    $159.00
    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