Question about 2007 GMC Envoy SLT
Where is the location of the engine coolant temperature sensor?
Posted by Anonymous on
The engine coolant temperature sensor(ect)is located
on the front of the engine, just above the alternator.
Hope this helps.
Posted on Mar 14, 2010
heres a diagram to show you where the coolant temp sensor is located, its behind the alternator on the left side (driverside),the sensor just unplug the connector and then unscrew it and out it comes.
Posted on Jun 21, 2010
Tips for a great answer:
Nov 14, 2017 | Kia Cars & Trucks
Jan 18, 2016 | 2007 GMC Envoy SLT
Mar 01, 2013 | 2003 GMC Envoy
Feb 02, 2012 | 2005 Chevrolet Tahoe
Dec 05, 2011 | 2000 Ford Escort
Oct 10, 2011 | 1994 Buick Regal Gran Sport
Nov 20, 2010 | 2002 GMC Envoy XL
Oct 26, 2010 | 2002 GMC Envoy XL
Cooling Fan Switch
Engine Temperature Sensor
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.
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
Oct 17, 2010 | 2004 Volkswagen Jetta
1,009 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: