Where is the thermostat located on a 2003 Chevy Trailblazer? (video)


How do you change the thermostat on a 2003 Chevy Trailblazer?

  • Remove the necessary coolant from the radiator.
  • Remove the generator.
  • Loosen the outlet hose clamp at the thermostat housing (1).
  • Remove the thermostat housing bolts.
  • Remove the thermostat housing from the engine block.
  • Clean all of the surfaces of the thermostat housing.
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    How much does it cost to replace a thermostat on a Chevy Trailblazer?

    The average cost for a Chevrolet Trailblazer thermostat replacement is between $569 and $601. Labor costs are estimated between $123 and $155 while parts are priced at $446. via

    What temperature should a 2002 Trailblazer be?

    Anything below 220*F / 105*C is normal. via

    Where is the thermostat located on a 2004 Chevy Trailblazer?

    The thermostat is located behind the alternator on the driver's side of the engine. via

    What temperature should a 2003 Chevy Trailblazer run at?

    Normal Temperature engine temperature gauge

    Most experts agree that your engine should run between 195 degrees and 220 degrees. via

    Why does my 2003 trailblazer overheat?

    The most common reasons a Chevrolet Trailblazer is overheating are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat. via

    What is the perfect running temp?

    Various research results show that the right temperature for running outside differs between sprinters and marathon runners. Men who ran marathons preferred a temperature of 49.4 degrees Fahrenheit, and women liked it to be 51.8 degrees Fahrenheit. via

    Where should your coolant gauge be?

    Temperature Gauge is Normal

    When the engine is functioning, and the coolant is doing its job, the temperature gauge needle should be somewhere in the middle between the hot and cold indicators. via

    Where is the coolant temperature sensor located on a 2003 Chevy Trailblazer? (video)


    Where is the thermostat on a Chevy Trailblazer?

    Step 1. Place a drain pan on the ground under the radiator drain plug of your Trailblazer. Locate the thermostat housing that sits near the front of the engine at the top. The thermostat housing will be at the end of the upper radiator hose, connected to the motor. via

    What happens when your thermostat gets stuck closed?

    If the thermostat becomes stuck in the closed position, the circulation of the coolant is blocked so the coolant cannot get to the radiator to be cooled which causes the engine to overheat. via

    What happens when a coolant temperature sensor goes bad?

    The coolant temperature sensor can fail and transmit cold signals to the computer. This action confuses the computer and stimulates it to enrich the fuel mixture unnecessarily. This can cause the fuel mixture to be vibrant such that during combustion, the fuel can't be adequately consumed within the chamber. via

    How many gallons of gas does a 2003 Trailblazer hold?

    Used 2003 Chevrolet Trailblazer Specs & Features

    Fuel & MPG
    Combined MPG 16 mpg
    EPA mileage est. (cty/hwy) 14/20 mpg
    Fuel tank capacity 22 gal.
    Fuel type Regular unleaded


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