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

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2003 Chevrolet Silverado 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 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 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 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 AUTOMOBILES

Component Replacement & Adjustment -> Sierra & Silverado -> Heater Core, Replace
Vehicle: 2003 Chevrolet Silverado SS 6.0 V8 GAS

  • Remove HVAC module as outlined in "Heating, Ventilation & Air Condition (HVAC) Module, Replace."
  • Remove mounting screws and heater core cover.
  • Remove heater core cowl gasket.
  • Remove heater core.
  • Reverse...

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BRAKE SERVICE PROCEDURES FOR 2003 Chevrolet Silverado AUTOMOBILES

Anti-Lock Brakes -> Kelsey-Hayes -> Description
Vehicle: 2003 Chevrolet Silverado SS 6.0 V8 GAS

When wheel slip is detected during a brake application, the ABS enters anti-lock mode. During anti-lock braking, hydraulic pressure in the individual wheel circuits is controlled to prevent any wheel from slipping. A separate hydraulic line and specific solenoid valves are provided for each wheel. The ABS can decrease, hold, or increase hydraulic pressure to each wheel brake. The ABS cannot, however, increase hydraulic pressure above the amount which is transmitted by the master cylinder during braking.

During anti-lock braking, a series of rapid pulsations is felt in the brake pedal...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Chevrolet Silverado 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 SS 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...

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

CV AXLE SHAFT, Replace
Vehicle: 2003 Chevrolet Silverado SS 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 ...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Chevrolet Silverado AUTOMOBILES

Alternator, Replace
Vehicle: 2003 Chevrolet Silverado SS 6.0 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...

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

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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Chevrolet Silverado AUTOMOBILES

General Motors Corp./Saturn Trucks -> Air Cleaner Restriction Indicator ->
Vehicle: 2003 Chevrolet Silverado SS 6.0 V8 GAS

An air cleaner restriction indicator, Fig. , is located in the intake duct between the MAF sensor and the air cleaner assembly.

If the window shows green, no service is required at this time. However, if...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Chevrolet Silverado AUTOMOBILES

Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2003 Chevrolet Silverado SS 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 ...

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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Chevrolet Silverado AUTOMOBILES

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

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

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COMPONENT LOCATION DIAGRAMS FOR 2003 Chevrolet Silverado AUTOMOBILES

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

Rear Wheel Steering Module Case Ground G-109 Diagram for 2003 Chevrolet Silverado SS 6.0 V8 GASRear Wheel Steering Module Case Ground G-109 Diagram for 2003 Chevrolet Silverado SS 6.0 V8 GAS

Components on diagram:
  • Battery Junction Block
  • Ground G-109
  • Chassis Harness
  • Fuse Block-Underhood Diagram for 2003 Chevrolet Silverado SS 6.0 V8 GASFuse Block-Underhood Diagram for 2003 Chevrolet Silverado SS 6.0 V8 GAS

    Components on diagram:
  • Instrument Panel Harness
  • Engine Harness
  • Forward Lamp Harness
  • Connector C-1
  • Connector C-3
  • CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2003 Chevrolet Silverado AUTOMOBILES

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

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

    Components on diagram:
  • Blower Motor Resistor Assembly
  • Blower Motor
  • Blower Motor Relay
  • Heater/Vent/Air Conditioner Control Module
  • 2003 Chevrolet Silverado SS 6.0 V8 GAS Wiring Diagram2003 Chevrolet Silverado SS 6.0 V8 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Starter
  • Generator
  • Auxiliary Battery Relay
  • CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2003 Chevrolet Silverado AUTOMOBILES

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

    Document: Revised General Motors New Vehicle Tire Warranty Program
    Vehicle: 2003 Chevrolet Silverado SS 6.0 V8 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • Document: Power Folding Mirrors Will Not Fold Inward
    Vehicle: 2003 Chevrolet Silverado SS 6.0 V8 GAS

    Auto Systems:
  • Instruments, Dash Cluster, Warning Lights, Mirrors
  • CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Silverado TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2003 Chevrolet Silverado AUTOMOBILES

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

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