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2003 GMC Sonoma CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC 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!

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    Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 GMC Sonoma car and truck repair procedures including GMC 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 GMC Sonoma 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 GMC 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 GMC Sonoma 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 GMC Sonoma AUTOMOBILES

    Drive Belt Data -> Domestic Light Trucks & Vans -> 2003-04
    Vehicle: 2003 GMC Sonoma 4.3 V6 GAS

    [[table data]]

    CLICK HERE TO GET FULL ACCESS TO 2003 GMC Sonoma A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 2003 GMC Sonoma AUTOMOBILES

    Hydraulic Brake Systems -> Component Replacement -> Master Cylinder
    Vehicle: 2003 GMC Sonoma 2.2 L4 GAS

    Master Cylinder

    • On models equipped with manual brake system, disconnect master cylinder pushrod from brake pedal.
    • On all models, disconnect all wire conne...

    CLICK HERE TO GET FULL ACCESS TO 2003 GMC Sonoma BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 GMC Sonoma AUTOMOBILES

    General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Scheduled Maintenance -> 1992-05 S/T Series Blazer, Bravada, Jimmy & Pickup -> Normal Service -> Severe Service
    Vehicle: 2003 GMC Sonoma 4.3 V6 GAS

    Normal Service

    R...

    CLICK HERE TO GET FULL ACCESS TO 2003 GMC Sonoma FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 GMC Sonoma AUTOMOBILES

    CV AXLE SHAFT, Replace
    Vehicle: 2003 GMC Sonoma 2.2 L4 GAS

    • Unlock steering column so that steering linkage is free to move.
    • Raise the vehicle. Support vehicle with suitable safety stands.
    • Remove front tire and wheel assemblies.
    • In order to prevent drive axle from turning, insert a drift through brake caliper and into one of the rotor vanes.
    • Remove axle nut and washer.
    • Remove drift from brake rotor.
    • Remove front brake rotors and support caliper with piece of wire in order to prevent damage to brake hose.
    • Remove brackets from upper control arm holding both ABS wire and brake hose.
    • Remove ABS bracket located on top of upper control arm ball...

    CLICK HERE TO GET FULL ACCESS TO 2003 GMC Sonoma DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 GMC Sonoma AUTOMOBILES

    Alternator, Replace
    Vehicle: 2003 GMC Sonoma 4.3 V6 GAS

    • Disconnect battery ground cable.
    • Remove air inlet duct.
    • Remove heater hose brace bolt from rear of alternator.
    • Disconnect alternator electrical connectors.
    • Remove accessory drive belt.
    • Remove alternator mou...

    CLICK HERE TO GET FULL ACCESS TO 2003 GMC Sonoma STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 2003 GMC Sonoma AUTOMOBILES

    General Motors Corp./Saturn Trucks -> Check Fuel Cap Lamp ->
    Vehicle: 2003 GMC Sonoma 4.3 V6 GAS

    The Check Fuel Cap Lamp will illuminate momentarily when the ignition switch is placed in the On position as a bulb check. I...

    CLICK HERE TO GET FULL ACCESS TO 2003 GMC Sonoma MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 GMC Sonoma AUTOMOBILES

    Coolant Hose, Replace -> Lower -> Upper
    Vehicle: 2003 GMC Sonoma 2.2 L4 GAS

    Lower

    • Drain cooling system into a suitable container.
    • Reposition radiator outlet hose clamp at radiator.
    • Remove radiator outlet hose from radiator.
    • Reposition hose clamp from water pump.
    • Remove radiator outlet hose from water pump and from vehicle.
    • Reverse procedure to install.

    Upper

    • Drain cooling syst...

    CLICK HERE TO GET FULL ACCESS TO 2003 GMC Sonoma RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR 2003 GMC Sonoma AUTOMOBILES

    Serpentine Drive Belt, Replace
    Vehicle: 2003 GMC Sonoma 4.3 V6 GAS

    • Remove belt tensioner pulley retaining bolt...

    CLICK HERE TO GET FULL ACCESS TO 2003 GMC Sonoma SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR 2003 GMC Sonoma AUTOMOBILES

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

    A/C Accumulator, A/C Refrigerant Pressure Sensor Diagram for 2003 GMC Sonoma  2.2 L4 GASA/C Accumulator, A/C Refrigerant Pressure Sensor Diagram for 2003 GMC Sonoma 2.2 L4 GAS

    Components on diagram:
  • A/C Refrigerant Pressure Sensor
  • A/C Accumulator
  • Remote Control Door Lock Receiver,Data Link Connector,I/P,Data Link Connector Diagram for 2003 GMC Sonoma  2.2 L4 GASRemote Control Door Lock Receiver,Data Link Connector,I/P,Data Link Connector Diagram for 2003 GMC Sonoma 2.2 L4 GAS

    Components on diagram:
  • Data Link Connector
  • Remote Control Door Lock Receiver
  • Instrument Panel Sound Insulator
  • CLICK HERE TO GET FULL ACCESS TO 2003 GMC Sonoma PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2003 GMC Sonoma AUTOMOBILES

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

    2003 GMC Sonoma  2.2 L4 GAS Wiring Diagram2003 GMC Sonoma 2.2 L4 GAS Wiring Diagram

    Components on diagram:
  • Fuel Pump And Sender Assembly
  • Backup Lamp-Left
  • Backup Lamp-Right
  • Park/Turn Signal Lamp-LR
  • License Lamp-Right
  • 2003 GMC Sonoma  4.3 V6 GAS Wiring Diagram2003 GMC Sonoma 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Window Lockout Switch
  • Express Down Module
  • Window Motor-Driver
  • Window Motor-Front Passenger
  • CLICK HERE TO GET FULL ACCESS TO 2003 GMC Sonoma WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2003 GMC Sonoma AUTOMOBILES

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

    Document: Revised General Motors New Vehicle Tire Warranty Program
    Vehicle: 2003 GMC Sonoma 4.3 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • Document: New Website for AFIT, TPM, and VDR Updates
    Vehicle: 2003 GMC Sonoma 4.3 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • CLICK HERE TO GET FULL ACCESS TO 2003 GMC Sonoma TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2003 GMC Sonoma AUTOMOBILES

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

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

    Click here to view more details2004 GMC Sonoma Antenna, Manual; Top or side mount; 3-section mast; May require modification or other adjustment to your vehicle upon installation; AutoTrust Gold products are guaranteed to meet or exceed the original manufacturer's standards and quality; <b>Backed by a 5-year limited warranty</b>; If the part breaks or is damaged - even if you are involved in a wreck or accident - anytime within 5 years from purchase, simply cover shipping and handling and we will send you a new part..

    Source: Auto Body Parts Store

    $13.08

    Click here to view more details about 2000 GMC Sonoma Tail Light, Passenger Side2000 GMC Sonoma Tail Light, Passenger Side.

    Source: Auto Body Parts Store

    $26.97

    Click here to view more details about 2013 GMC Sierra Pickup Tail Gate Handle Cover2013 GMC Sierra Pickup Tail Gate Handle Cover, TAIL GATE HANDLE COVER, 2 PIECE SET, W/OPENING FOR BACK UP CAMERA , , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $28.38

    Click here to view more details about 2004 GMC Sonoma V6, 4.3 L, 260 CID Rebuilt Engine2004 GMC Sonoma V6, 4.3 L, 260 CID Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,451.00

    Click here to view more details1991 GMC Sonoma Used Power Window Motor, Driver Side, 4DR Dr, Very Good.

    Source: Used Auto Parts Store

    $78.00

    Click here to view more details1994 GMC Sonoma Used Wiper Motor Front, Very Good.

    Source: Used Auto Parts Store

    $86.00
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