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The thermostat, on a 2005 Chevrolet trailblazer, can be replaced by first removing the water hose. Next, remove the three housing bolts. Take the thermostat out and replace with a new thermostat.
About 20 minutes
remove and replace engine coolant temperature(ect)/chevy 2004 trailblazer
Local dealership charged $108.33.
It is located on the left side of the engine (6cyl) next to the thermostat, in order to replace both thermostat or sensor the alternator needs to be removed
Replace your thermostat. After 3 drive cycles without failure, the mil will turn off on its own. Or use a scantool.
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Remove The Altenator and where the top radiator hose is attached to the block take the two bolts out. The whole piece that the hose go's on is the thermostat auto zone is cheaper.
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AnswerThe thermostat comes in a housing that bolts directly to the motor, and is located on the driver's side of the motor, about 1/2 way from the top, & towards the front of the engine. To remove/replace it you need a socket wrench & a 3 to 6 inch extension. You will have to remove the alternator and serpentine belt to get to it. This is where the thermostat is located on the trailblazer for years 2002 to 2004.
Where is the starter on a 2004 Chevy trailblazer.