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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Chevrolet Trailblazer 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 2003 Chevrolet Trailblazer automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 2003 Chevrolet Trailblazer

  • 2003 Chevrolet Trailblazer 4.2 L6 GAS, CID:256, Fuel Injection, Aspiration:256, Engine VIN:, Desg:S
  • 2003 Chevrolet Trailblazer EXT 4.2 L6 GAS, CID:256, Fuel Injection, Aspiration:256, Engine VIN:, Desg:S
  • 2003 Chevrolet Trailblazer EXT 5.3 V8 GAS, CID:325, Fuel Injection, Aspiration:325, Engine VIN:, Desg:P

RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Chevrolet Trailblazer AUTOMOBILES

Includes radiator, cooling and heater hose replacement procedures for domestic and imported 2003 Chevrolet Trailblazer cars and light trucks from 1990+

Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2003 Chevrolet Trailblazer EXT 5.3 V8 GAS

Inlet

  • Drain cooling system into a suitable container.
  • Reposition heater core inlet hose clamp at engine.
  • Remove hose from engine.
  • Reposition heater hose inlet clamp at heater core.
  • Remove heater inlet hose from heater core.
  • Remove hose from vehicle.
  • Reverse procedure to install.

Outlet

  • Drain coolin...

CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Trailblazer RADIATOR & HOSE REPLACEMENT PROCEDURES

RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Chevrolet Trailblazer AUTOMOBILES

Includes radiator, cooling and heater hose replacement procedures for domestic and imported 2003 Chevrolet Trailblazer cars and light trucks from 1990+

Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2003 Chevrolet Trailblazer 4.2 L6 GAS

Inlet

  • Drain cooling system into a suitable container.
  • Reposition heater core inlet hose clamp at engine.
  • Remove hose from engine.
  • Reposition heater hose inlet clamp at heater core.
  • Remove heater inlet hose from heater core.
  • Remove hose from vehicle.
  • Reverse procedure to install.

Outlet

  • Drain coolin...

CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Trailblazer RADIATOR & HOSE REPLACEMENT PROCEDURES

RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Chevrolet Trailblazer AUTOMOBILES

Includes radiator, cooling and heater hose replacement procedures for domestic and imported 2003 Chevrolet Trailblazer cars and light trucks from 1990+

Radiator, Replace
Vehicle: 2003 Chevrolet Trailblazer EXT 4.2 L6 GAS

  • Drain coolant from radiator into a suitable container, then disconnect upper coolant reservoir hose.
  • Remove upper fan shroud bolts, then shroud.
  • Disconnect and plug transmission fluid cooler lines.
  • D...

CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Trailblazer RADIATOR & HOSE REPLACEMENT PROCEDURES

RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Chevrolet Trailblazer AUTOMOBILES

Includes radiator, cooling and heater hose replacement procedures for domestic and imported 2003 Chevrolet Trailblazer cars and light trucks from 1990+

Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2003 Chevrolet Trailblazer EXT 4.2 L6 GAS

Inlet

  • Drain cooling system into a suitable container.
  • Reposition heater core inlet hose clamp at engine.
  • Remove hose from engine.
  • Reposition heater hose inlet clamp at heater core.
  • Remove heater inlet hose from heater core.
  • Remove hose from vehicle.
  • Reverse procedure to install.

Outlet

  • Drain coolin...

CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Trailblazer RADIATOR & HOSE REPLACEMENT PROCEDURES

RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Chevrolet Trailblazer AUTOMOBILES

Includes radiator, cooling and heater hose replacement procedures for domestic and imported 2003 Chevrolet Trailblazer cars and light trucks from 1990+

Radiator, Replace
Vehicle: 2003 Chevrolet Trailblazer EXT 5.3 V8 GAS

  • Drain coolant from radiator into a suitable container.
  • Raise and support vehicle.
  • Remove radiator support shield mounting nuts and bolts, then radiator support shield.
  • Remove transmission cooler lines from radiator.
  • Remove outlet radiator hose from radiator.
  • Lower vehicle.
  • Remove inlet radiator hose from radiator.
  • Remove air cleaner assembly and air resonator assembly.
  • Remove inlet radiator hose.
  • Remove transmission oil cooler lines from fan shroud.
  • Disconnect fan clutch electrical connector.
  • Remove fan clutch from water pump.
  • Remove upper fan shroud moun...

CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Trailblazer RADIATOR & HOSE REPLACEMENT PROCEDURES

RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Chevrolet Trailblazer AUTOMOBILES

Includes radiator, cooling and heater hose replacement procedures for domestic and imported 2003 Chevrolet Trailblazer cars and light trucks from 1990+

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2003 Chevrolet Trailblazer EXT 4.2 L6 GAS

Lower

  • Drain cooling system into a suitable container.
  • Reposition hose clamp from radiator.
  • Remove radiator outlet hose from radiator.
  • Reposition hose clamp from thermostat housing.
  • Remove radiator outlet hose from thermostat housing and from vehicle.
  • Reverse procedure to in...

CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Trailblazer RADIATOR & HOSE REPLACEMENT PROCEDURES

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

Click here to view more details about 2005 Chevrolet Trailblazer Headlight, Passenger Side2005 Chevrolet Trailblazer Headlight, Passenger Side, Bulbs included; Composite and combination type; DOT and SAE approved; A high quality, OE replacement headlight assembly; Backed by 1-year, unlimited-mileage warranty..

Source: Auto Body Parts Store

$49.34

Click here to view more details2003 Chevrolet Trailblazer Neutral Safety Switch, Blade type; 4-prong and 7-prong male terminals; A high quality, direct fit OE replacement neutral safety switch; With 2 years limited Trustbuilt warranty..

Source: Auto Body Parts Store

$37.58

Click here to view more details2005 Chevrolet Trailblazer Grille Overlay, CCI Grille Overlay; 2 Piece; Chrome Finish; ABS, , .

Source: Wheels / Rims, Mirrors & Lights Store

$208.50

Click here to view more details1993 Ford F-250 Pickup V8, 5.8 L, 351 CID Rebuilt Engine, Windsor, HO, dipstick in block, Non Roller cam., Warranty: 3-Year/100,000 Mile, .

Source: Rebuilt Engines Store

$1,446.00

Click here to view more details2003 Chevrolet Trailblazer Used Air Flow Meter/Sensor, 4.2, AUTO, RWD, Very Good.

Source: Used Auto Parts Store

$61.00

Click here to view more details2008 Chevrolet Trailblazer Used A/C Compressor, 4.2, AUTO, 4X2 4.2L, Very Good.

Source: Used Auto Parts Store

$132.00
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