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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1811 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSRADIATOR OUTLET HOSE REPLACEMENT (L61)INSTALLATION PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Disconnecting Radiator Hose And Clamp From Thermostat Pipe Assembly (2.2L)
    GM931384Courtesy of GENERAL MOTORS CORP.
  1. Install the radiator outlet hose to the engine.
  2. Install the radiator outlet hose clamp to the engine.
    3. Fig 2: View Of Radiator Outlet (L61) Hose Clamp
    GM931390Courtesy of GENERAL MOTORS CORP.
  3. Install the radiator outlet hose to the radiator.
  4. Install the radiator outlet hose clamp to the radiator.
  5. Fill the cooling system. Refer to Draining and Filling Cooling System (Static Fill)  or Draining and Filling Cooling System (GE 47716 Fill) .
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.