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

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2003 Chevrolet Blazer 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 Blazer 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 Blazer 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 Blazer 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 Blazer AUTOMOBILES

Air Bag System Precautions -> General Motors Corp. -> Disarming -> 1990 -> 1990-93 -> 1990-95 -> 1990-97 -> 1991 -> 1991-93 -> 1991-94 -> 1991-95 -> 1992-93 -> 1992-99 -> 1993-2002 -> 1993-94 -> 1993-98 -> 1994 -> 1994-2002 -> 1994-95 -> 1994-96 -> 1994-98 -> 1995-2002 -> 1995-96 -> 1995-97 -> 1995-98 -> 1995-99 -> 1996 -> 1996-2001 -> 1996-97 -> 1997 -> 1997-2002 -> 1997-98 -> 1997-99 -> 1998-2000 -> 1998-2002 -> 1998-99 -> 1999 -> 1999-2000 -> 1999-2001 -> 1999-2002 -> 2000-02 -> 2001-02 -> 2002 -> 2003 -> 2003-04 -> 2003-04 Except Malibu Maxx -> Achieva & Skylark -> Alero -> Astro & Safari -> Aurora -> Avalanche -> Aveo -> Aztek & Rendezvous -> Beretta & Corsica -> Blazer, Jimmy, Sonoma & S-10 -> Bonneville, Eighty-Eight, LeSabre, LSS, Ninety-Eight & Regency -> Bravada, Envoy, Rainier, SSR & TrailBlazer -> C/K Series -> Camaro & Firebird -> Canyon & Colorado -> Caprice, Custom Cruiser & Roadmaster -> Catera -> Cavalier & Sunfire -> Century -> Corvette -> Coupe -> CTS -> Cutlass -> Cutlass Ciera & Cruiser -> Cutlass Supreme -> DeVille -> Eldorado -> Escalade -> Express, G Series & Savana -> Fleetwood -> Grand Am -> Grand Prix & Intrigue -> Impala -> ION -> L-Series -> Light Trucks & Vans -> Lumina -> Lumina APV, Montana, Silhouette, Trans Sport & Venture -> Malibu -> Malibu Maxx -> Metro -> Monte Carlo -> Park Avenue -> Passenger Cars -> Prizm -> Reatta, Toronado & Trofeo -> Regal -> Riviera -> S-Series -> Sedan -> Seville -> Sierra & Silverado -> SRX -> Storm -> Suburban, Tahoe, Yukon & Yukon XL -> Tracker -> Vibe -> VUE -> XLR -> Zone 1 -> Zone 10 -> Zone 12 -> Zone 2 -> Zone 3 -> Zone 4 -> Zone 5 -> Zone 6 -> Zone 7 -> Zone 8 -> Zone 9 -> Zones 1 & 7 -> Zones 2 & 6 -> Zones 5 & 9 -> Zones 7 & 9
Vehicle: 2003 Chevrolet Blazer 4.3 V6 GAS

Passenger Cars

The Sensing and Diagnostic Module (SDM) can maintain enough voltage to cause air bag deployment for up to 10 minutes after the ignition is turned Off and the battery is disconnected. Servicing the Supplemental air bag (SIR) system during this period may result in accidental deployment and personal injury.

Achieva & Skylark
1994-96
  • Ensure front wheels are in straight-ahead position.
  • Turn ignition switch to LOCK position.
  • Remove AIR BAG fuse from fuse block.
  • On 1995 models, remove lefthand sound insulator panel to ac...

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BRAKE SERVICE PROCEDURES FOR 2003 Chevrolet Blazer 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 Blazer 4.3 V6 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.
  • ...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Chevrolet Blazer AUTOMOBILES

General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Component Locations -> 1999-06 Escalade, Avalanche & Denali, 1988-03 & C/K Pickup (Except 1999-03 Sierra & Silverado), 1992-06 Blazer, Jimmy, Hummer H2, SSR, Suburban, Yukon XL, Tahoe, Yukon, Bravada Gasoline Engines & 2004-06 Rainier, TrailBlazer & Envoy
Vehicle: 2003 Chevrolet Blazer 4.3 V6 GAS

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

CV AXLE SHAFT, Replace
Vehicle: 2003 Chevrolet Blazer 4.3 V6 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...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Chevrolet Blazer AUTOMOBILES

Starter, Replace
Vehicle: 2003 Chevrolet Blazer 4.3 V6 GAS

Upon removal of starter, note if any shims are used. If shims are used, they should be installed in their original locations. After installation, if starter is noisy during cranking, remove one .015 inch double shim or add one .015 inch single shim to the outer bolt. If starter makes a high pitched whine after firing, add .015 inch double shims until noise ceases.

  • Disconnect battery ground cab...

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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Chevrolet Blazer AUTOMOBILES

General Motors Corp./Saturn Trucks -> Low Coolant Lamp ->
Vehicle: 2003 Chevrolet Blazer 4.3 V6 GAS

This lamp should light when engine coolant level in the radiator drops below a predetermined le...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Chevrolet Blazer AUTOMOBILES

Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2003 Chevrolet Blazer 4.3 V6 GAS

Inlet

  • Drain cooling system into a suitable container.
  • Reposition heater core inlet hose clamp at intake manifold fitting.
  • Remove hose from intake manifold fitting.
  • Reposition heater hose inlet clamp at heater core.
  • Remove heater inlet hose from heater core.
  • Remove hose from vehicle.
  • Reverse pr...

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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Chevrolet Blazer AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 2003 Chevrolet Blazer 4.3 V6 GAS

  • Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...

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COMPONENT LOCATION DIAGRAMS FOR 2003 Chevrolet Blazer AUTOMOBILES

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

Seat Switches Diagram for 2003 Chevrolet Blazer  4.3 V6 GASSeat Switches Diagram for 2003 Chevrolet Blazer 4.3 V6 GAS

Components on diagram:
  • Memory Set Switch
  • Heated Seat Switch
  • Seat Lumbar Switch
  • Memory Position 1 Switch
  • Memory Position 2 Switch
  • Body Wiring Harness, Left Underhood Diagram for 2003 Chevrolet Blazer  4.3 V6 GASBody Wiring Harness, Left Underhood Diagram for 2003 Chevrolet Blazer 4.3 V6 GAS

    Components on diagram:
  • Windshield Washer Fluid Pump
  • Rear Window Washer Fluid Pump
  • Fender, LF
  • Fuse Block, Underhood
  • CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Blazer PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2003 Chevrolet Blazer AUTOMOBILES

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

    2003 Chevrolet Blazer  4.3 V6 GAS Wiring Diagram2003 Chevrolet Blazer 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Park Lamp Relay
  • Body Control Module
  • Fog Lamp Relay
  • Fog Lamp-Rf
  • Fog Lamp-Lf
  • 2003 Chevrolet Blazer  4.3 V6 GAS Wiring Diagram2003 Chevrolet Blazer 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Shift Indicator
  • CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Blazer WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2003 Chevrolet Blazer AUTOMOBILES

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

    Document: Revised General Motors New Vehicle Tire Warranty Program
    Vehicle: 2003 Chevrolet Blazer 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 Chevrolet Blazer 4.3 V6 GAS

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

    COMPONENT/PARTS SPECIFICATIONS FOR 2003 Chevrolet Blazer AUTOMOBILES

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

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