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What is the procedure to replace the engine coolant temperature sensor on a 2013 3.6L Chevrolet traverse ltz?

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  • Chevrolet Master
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Hope this helps. Should be on front side of engine, low, two wire connector, wire colors tan and yellow. Take wiring connector loose, use proper size socket or wrench to remove.
what is the procedure to replace the engine coolan - coolant sensor-oixiitc3nod303a54lu5kph0-3-0.jpg

Posted on May 19, 2017

Testimonial: "Now that I have lived this pain in the rear, let me expand on Jack's answer. Anyone else attempting this should look at the front of the engine, above the exhaust manifold and to the left of the oil dipstick to find the silver cylindrical heat shield that protects the sensor and connector. Slide the heat shield up the wires to gain access to the connector and sensor. The connector has a red lock tab that must be pulled up in order to be able to depress the black lock tab on the connector to remove it from the sensor. I found that a deep 20 mm half inch drive socket was the only socket with enough clearance inside of it to accommodate the plastic that the connector attaches to. R&R the sensor without draining the coolant. It is unnecessary to drain as only a few ounces are lost even if you are moving slowly. I torqued the sensor to 18 ft. lbs. but I may have stolen that value from the timing chain cover bolts. Check for the correct value before accepting that as fact. Either way it should be a sufficient torque value for a water sensor. Top off coolant if necessary, check to see if your CEL is still on or not. Even if it isn't on anymore, go to your nearest auto parts store and ask them to check to see if the code is still in memory, if it is, ask them to clear it for you. YMMV! Good luck!"

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mrgreenz
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SOURCE: Location of coolant temperature sensor

Maybe this will help . although this is from a 1997 Caddy.


Cadillac DeVille Engine Coolant Temperature (ECT) Sensor Location62451583.gif

Posted on Nov 24, 2008

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Need to know the location of both crankshaft position sensor on 2008 Chevrolet hhr plz thx


Only has one crankshaft position sensor ,an cam sensors . To change the crank sensor u would have to pull the starter ,located above starter .
Camshaft Position Sensor Replacement - Intake Camshaft Position Sensor Replacement - Exhaust
After a crank sensor replacement a
Crankshaft Position System Variation Learn has to be done !
Important: The crankshaft position (CKP) system variation learn procedure is required when the following service procedures have been performed, regardless of whether DTC P0315 is set:
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Engine control module (ECM) replacement


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CKP sensor replacement


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Any engine repairs which disturb the crankshaft to CKP sensor relationship

Important: The scan tool monitors certain component signals to determine if all the conditions are met to continue with the CKP system variation learn procedure. The scan tool only displays the condition that inhibits the procedure. The scan tool monitors the following components:
?€¢
CKP sensor activity--If there is a CKP sensor condition, refer to the applicable DTC that set.


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Camshaft position (CMP) signal activity--If there is a CMP signal condition, refer to the applicable DTC that set.


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Engine coolant temperature (ECT)--If the engine coolant temperature is not warm enough, idle the engine until the engine coolant temperature reaches the correct temperature.

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Where is the crankshaft position sensor located on a 2008 HHR 2.2 is that ecotec engine


My info says it is located above the starter motor. Info says to remove the starter.

The info also says you have to do a crankshaft variation relearn procedure. I can't help you with that procedure.

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I need the easiest possible directions to replace the coolant temperature sensor in my 1999 Chevy Lumina ltz 3.8 v6 car please.


The coolant sensor temperature is usually found just beneath the cylinder head, on the engine block.

You just disconnect the 1-2 wires and then undo it with a wrench.
The sensor will look like one of these:
1999 Chevy Lumina ltz 3 8 v6 coolant temperature sensor Google Search

Just be aware .. you may have TWO such sensors on your vehicle.

One sensor (usually with 3-4 electrical pins) is near the thermostat and works in conjunction with other sensors to regulate fuel/air according to engine temperature.

The other type of sensor is in the block near the cylinder head. It sends a signal to the temperature gauge on your dashboard ONLY. If your temp gauge constantly reads too hot or too cold .. this one is the culprit.25939754-r0ibht2u2t2rhetbyfvb2pry-5-0.jpg
If it's a running fault .. speed .. rough running .. fuel. It may look like this:
25939754-r0ibht2u2t2rhetbyfvb2pry-5-1.jpg

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Where is the crankshaft position sensor located


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crankshaft-position-sensor-located-ggu5rsn2pvblwobn0lhlahdz-2-2.jpg

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Cabin air filter


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Chevy traverse ltz code p0451


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Where is the temperature sensor for the temperature gage


Engine Temperature Sensor Operation:00116_engine_temp_sensor.jpgThis sensor monitors the temperature of the engine and sends that information to the engine control computer to regulate the amount of fuel needed - more if engine is cold and less if it's hot. The signal generated can also be sent to the temperature gauge as a visual indicator of overheating and imminent danger

I checked with autozone.com and their site says that the engine temperature sensor is not used on both engine sizes available for this vehicle.

The Coolant Temperature Sensor is used though. So maybe it has a dual purpose on your vehicle.

Coolant Temperature Sensor Operation:00113_coolant_temp_sensor.jpgThis sensor monitors the temperature of the engine and sends that information to the engine control computer to regulate the amount of fuel needed. More fuel is needed if the engine is cold; less if it's hot. If the temperature is extreme, the signal will be sent to the temperature gauge as a visual indicator of overheating and imminent danger.

Because ECT (engine coolant temperature) sensor procedures vary depending upon their location, first locate the part. You may need to partially drain the engine coolant to prevent coolant spillage.
  • Disconnect the negative battery cable.
  • Unplug the ECT.
  • Then, unscrew it.
  • Reverse the removal procedures to install the new part.
  • Connect the negative battery cable to the battery.









Nov 03, 2010 | 1995 Chevrolet Caprice Classic

1 Answer

The check enging light comes on then goes off. I foud out the code po118 engine coolant temp circut high input. is it the coolant temp sensor. if so how do I replace it. It is on a 2004 jetta tdi


According to Autozone.com:

Because ECT (engine coolant temperature) sensor procedures vary depending upon their location, first locate the part. You may need to partially drain the engine coolant to prevent coolant spillage.
  • Disconnect the negative battery cable.
  • Unplug the ECT.
  • Then, unscrew it.
  • Reverse the removal procedures to install the new part.
  • Connect the negative battery cable to the battery.



    Related Parts:
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Coolant Temperature Sensor printpage_icon.gif



0900c152801bfc38.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Remove the coolant temperature sensor
The coolant temperature gauge sensor is a temperature-variable resistor, or thermistor. As coolant temperature increases, the resistance of the sensor decreases or decreases, depending on the type of sensor.
A1 and A2 platforms use a different type of circuit that A3 vehicles. On A1 and A2 vehicles, the circuit is a "resistance to ground" type. A3 vehicles use a "variable voltage" type, where a voltage is supplied to the sensor. Because of the circuitry design on A3 vehicles, testing of the coolant temperature gauge is limited.
The engine coolant temperature gauge uses a heat sensitive sending unit to transmit an electrical signal to the gauge. The sending unit is a heat sensitive variable resistor that is located on or near to the cylinder head and threads into an engine coolant passage. The sensors are a Negative Temperature Coefficient (NTC) type. As the temperature increases, the electrical resistance of the sensor decreases. As the coolant temperature changes, so does the resistance of the sensor. The gauge is calibrated within the operating range of the sensor and interprets the resistance value to display the coolant temperature.
Beginning with model year 1994, the engine coolant gauge and the Engine Control Module (ECM) temperature sensors were combined into one sensor with 4 terminals. The basic operation remains the same in that their resistance decreases as the coolant temperature increases, however the actual resistance values of the 2 sensor circuits are different. The electrical connector of the 4-wire terminal sensor ( 1 and 2 ) is keyed to prevent improper connection of the sensor's electrical circuit.

0900c152801bfc39.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Beginning with model year 1994, the Engine Coolant Temperature Sensors combined the sensors for the ECM and the gauge into one sensor-1997 2.8L V6 sensor shown


0900c152801bfc3a.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. The electrical connector for the combined temperature sensors is keyed to avoid improperly connecting the sensor's wiring-1997 2.8L V6 connector shown

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