2003 Chevrolet Silverado 3500 REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

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2003 Chevrolet Silverado 3500 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 3500 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 3500 automobile. Try the Automotix DIY solution today!
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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 3500 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 3500 AUTOMOBILES

Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Domestic Vehicles
Vehicle: 2003 Chevrolet Silverado 3500 6.0 V8 GAS

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BRAKE SERVICE PROCEDURES FOR 2003 Chevrolet Silverado 3500 AUTOMOBILES

Anti-Lock Brakes -> Kelsey-Hayes -> Diagnosis & Testing -> 2002 -> 2002-03 -> 2003-06 -> 2004-06 -> Accessing Diagnostic Trouble Codes -> Astro, Blazer, Jimmy, Safari, Sonoma, SSR & S10 -> Avalanche, Escalade, Escalade EXT, Suburban, Tahoe & Yukon -> Bravada, Envoy, Rainier & Trailblazer -> Clearing Diagnostic Trouble Codes -> Connector Pin Identification -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> Express & Savana -> Intermittents & Poor Connections -> Sierra & Silverado -> Symptom Tests -> Temperature Vs. Resistance
Vehicle: 2003 Chevrolet Silverado 3500 6.0 V8 GAS

Accessing Diagnostic Trouble Codes

Connect a suitably programmed scan tool to Data Link Connector (DLC) and follow manufacturers instructions.

Diagnostic Trouble Code Interpretation

Astro, Blazer, Jimmy, Safari, Sonoma, SSR & S10
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Avalanche, Escalade, Escalade EXT, Suburban, Tahoe & Yukon
2002
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2003-06
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Bravada, Envoy, Rainier & Trailblazer
2002-03
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2004-06
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Express & Savana
2002
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2003-06
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Sierra & Silverado
2002
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2003-06
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Connector Pin Identification

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Diagnostic Tests

Astro, Blazer, Jimmy, Safari, Sonoma, SSR & S10
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Avalanche, Escalade, Escalade EXT, Suburban, Tahoe & Yukon
2002
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2003-06
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Bravada, Envoy, Rai...
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CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 3500 BRAKE SERVICE PROCEDURES

FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Chevrolet Silverado 3500 AUTOMOBILES

General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Replacement -> 6.6L Diesel Engine
Vehicle: 2003 Chevrolet Silverado 3500 6.6 V8 DIESEL

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. Prior to reconnecting the connector, apply a few drops of clean motor oil to the male pipe ends.

On models equipped with plastic collar quick disconnect connectors, squeeze the connector plastic retainer release tabs to release the connector. Prior to reconnecting the connector, apply a few drops of clean motor...

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Chevrolet Silverado 3500 AUTOMOBILES

CV AXLE SHAFT, Replace
Vehicle: 2003 Chevrolet Silverado 3500 8.1 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 ...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Chevrolet Silverado 3500 AUTOMOBILES

Starter, Replace
Vehicle: 2003 Chevrolet Silverado 3500 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...

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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Chevrolet Silverado 3500 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 3500 8.1 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...

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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Chevrolet Silverado 3500 AUTOMOBILES

General Motors Corp./Saturn Trucks -> Check Engine Oil Level ->
Vehicle: 2003 Chevrolet Silverado 3500 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...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Chevrolet Silverado 3500 AUTOMOBILES

Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2003 Chevrolet Silverado 3500 6.6 V8 DIESEL

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 outlet fitting.
  • Remove hose from engine coolant outlet fitting.
  • Reposition heater hose inlet clamp at heater core.
  • Remove heater inlet hose from...

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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Chevrolet Silverado 3500 AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 2003 Chevrolet Silverado 3500 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...

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COMPONENT LOCATION DIAGRAMS FOR 2003 Chevrolet Silverado 3500 AUTOMOBILES

Component location diagrams for most 2003 Chevrolet Silverado 3500 cars and light trucks sold in the U.S. from 1990+.

HVAC Module Assembly-Components Diagram for 2003 Chevrolet Silverado 3500 8.1 V8 GASHVAC Module Assembly-Components Diagram for 2003 Chevrolet Silverado 3500 8.1 V8 GAS

Components on diagram:
  • Blower Motor
  • Mode Actuator
  • Recirculation Actuator
  • Blower Motor Resistor Assembly
  • Mode Actuator Door
    • Clutch Start Switch Diagram for 2003 Chevrolet Silverado 3500 6.6 V8 DIESELClutch Start Switch Diagram for 2003 Chevrolet Silverado 3500 6.6 V8 DIESEL

    Components on diagram:
  • Dash Panel
  • Clutch Pedal
  • Clutch Start Switch

    • CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 3500 PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2003 Chevrolet Silverado 3500 AUTOMOBILES

    OEM drawn wiring diagrams for most 2003 Chevrolet Silverado 3500 cars and light trucks sold in the U.S.

    2003 Chevrolet Silverado 3500 6.0 V8 GAS Wiring Diagram2003 Chevrolet Silverado 3500 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Ambient Light Sensor
    • 2003 Chevrolet Silverado 3500 8.1 V8 GAS Wiring Diagram2003 Chevrolet Silverado 3500 8.1 V8 GAS Wiring Diagram

    Components on diagram:
  • Radio
  • Body Control Module
  • Inflatable Restraint Steering Wheel Module Coil
  • Steering Wheel Audio Controls

    • CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 3500 WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2003 Chevrolet Silverado 3500 AUTOMOBILES

    OEM TSB listings for most 2003 Chevrolet Silverado 3500 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 3500 6.6 V8 DIESEL

    Auto Systems:
  • Diesel Engines
    • Document: Information on 6.6L LBZ, LB7, LLY Duramax Diesel Engine Cylinder Head Gasket Design Change-New Head Gasket Part Numbers and Head Bolt Torque Specifications
    Vehicle: 2003 Chevrolet Silverado 3500 6.6 V8 DIESEL

    Auto Systems:
  • Diesel Engines

    • CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado 3500 TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2003 Chevrolet Silverado 3500 AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Chevrolet Silverado 3500 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 3500 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 3500 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 3500 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 3500 SPECIFICATIONS DATA!

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