Coolant temperature sensor is located on the radiator next to the front of the engine. Where is the thermostat on a 2005 Trailblazer? the thermostat is located on the drivers side of the engine, just to the rear of the alternator, if memory serves correctly (I’m not looking this up or looking at that particular engine to pass on general info).
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Where is the temperature sensor on a Chevy Trailblazer?
0:214:1506-09 Chevy Trailblazer coolant temperature sensor replacement.YouTubeStart of suggested clipEnd of suggested clipIt is located here next to or behind this pipe. And it has wires coming out the back the sensor goesMoreIt is located here next to or behind this pipe. And it has wires coming out the back the sensor goes into that hole.
Where is coolant temperature sensor on 2004 trailblazer?
1:3311:54How to Change Coolant Temperature Sensor on Chevy Trailblazer 4.2L ...YouTubeStart of suggested clipEnd of suggested clipAs we get further in you'll see. So first procedure you want to get to is to remove the battery justMoreAs we get further in you'll see. So first procedure you want to get to is to remove the battery just to clear up some space. We're gonna have to be removing the alternator.
Where is my coolant temperature sensor located?
On most vehicles, the coolant temperature sensor (CTS) can be found somewhere near the engine thermostat, which allows it to function optimally. The tip of the CTS is probably located right next to the engine coolant.
How do you change the coolant temperature sensor on a 2003 Chevy Trailblazer?
0:252:21Envoy/Trailblazer temp sensor replacement - YouTubeYouTubeStart of suggested clipEnd of suggested clipWay. First of all just take the belt off just uh here's your tensioner belt comes right off. There'sMoreWay. First of all just take the belt off just uh here's your tensioner belt comes right off. There's one pulley you see it over there on the bench that I took off down beside the alternator.
What is the engine coolant temperature sensor?
The Coolant Temperature Sensor is used to measure the temperature of the engine coolant. The readings from this sensor are then fed back to the engine control unit (ECU). This data from the sensor is then used to adjust the fuel injection and ignition timing.
Where is the thermostat on a 2004 Trailblazer?
1:3211:27How to replace a thermostat 4.2 envoy or trailblazer - YouTubeYouTubeStart of suggested clipEnd of suggested clipOkay real quickly we've undone the radiator cap right here the thermostat is actually down in hereMoreOkay real quickly we've undone the radiator cap right here the thermostat is actually down in here behind the alternator.
What are the symptoms of a faulty coolant temperature sensor?
What Signs May Signal Your Coolant Temperature Sensor May Be Failing?Poor Fuel Economy. ... Irregular Temperature Readings. ... Black Smoke from Your Exhaust. ... Your Engine is Overheating. ... Your Check Engine Light is On.
What are the signs of a failing temperature sensor?
If your vehicle starts to use a lot more gasoline than usual, or black smoke is starting to come from the exhaust pipe, these are indicators that the coolant temperature sensor in your vehicle could be defective, and needs to be replaced.
What would normally be the symptom of a faulty engine coolant temperature sensor?
One of the very first indications that you might have a faulty coolant temperature sensor is when you notice a drop to your fuel economy. The reason this happens is as follows: The faulty sensor might send a wrong signal to the computer, leading to a miscalculation in the engine timing and fuel calculation.
Do you need to drain coolant to change coolant temperature sensor?
Do you need to drain coolant to change coolant temperature sensor? Open the radiator valve and drain about two to three quarts of coolant. You only need to remove enough to drop the level below the sensor.
How do you change a coolant temperature sensor?
With the engine and coolant entirely cooled down, disconnect the battery. ... Remove any plastic engine covers. ... Locate the coolant temp sensor. ... Partially drain the cooling system, or perform a coolant flush, if it is due. ... Disconnect the electrical connector from the sensor by pushing on the tab and pulling the connector.More items...•
Where is the temperature sensor located on a 2005 Chevy Silverado?
1:555:37How to Replace Coolant Temperature Sensor 02-06 Chevy Silverado ...YouTubeStart of suggested clipEnd of suggested clipIs engine coolant temp sensor is down here on the side of the block.MoreIs engine coolant temp sensor is down here on the side of the block.
What causes a P0128?
Causes of a P0128 code include: A bad coolant temperature sensor. The cooling fan is stuck on. A bad intake air temperature sensor. A thermostat that's malfunctioning or stuck open (electronically controlled or traditional)
How do I check the coolant level in my Trailblazer?
0:061:07How to check your radiator fluid and add coolant - Chevrolet IndiaYouTubeStart of suggested clipEnd of suggested clipHere's the coolant search tank at the side of the engine bay proper radiator coolant levels keep theMoreHere's the coolant search tank at the side of the engine bay proper radiator coolant levels keep the engine from overheating. And you should check it at every regular service appointment.