Unplug the electrical connector from the sensor if your car has one. The coolant temperature sensor, also known as the coolant temperature switch, is the engine management system that monitors the temperature of the coolant and relays this information to the ECM. Drove about 3 miles engine light came on and radiator light. Here is a diagrams for both engines, (below) and a guide that will walk you through the steps of changing the coolant temperature sensor. Replace pipes, and screw in bleed pipe as well as the top hose clips. first , here is the parts diagram that will show you the overview, its on the back of the drivers side cylinder head. Best of luck on your repair! You will have to take off the air intake tubing. Step 4 – Replace coolant. Changed the oil last week. A thermostat. Sensor. On both the V6 4.3 L Vortec engine and the 4.8 L, 5.3 L and 6.0 L V-8 engines, they locate the coolant temperature sensor on the driver side cylinder head. Fill coolant reservoir with a mixture of distilled water and non-phosphorous antifreeze. here is the parts diagram. Hello, The sensor is located near the front of the engine on a coolant hose fitting. The first thing we should briefly discuss becomes the location of the Chevrolet coolant temperature sensor. Re-clip temperature sensor, remove rags, and replace oil filter cap/filter. ... Coolant temperature below Thermostat Regulating temperature fault code. For the most correct operation of the alarm system you should use coolant recommended for a certain time of year, it … On the V-8 models it's next to the number one spark plug wire boot. The picutre is different on 2007. Fan.Drive.Hub Greg i circled the sensor. The engine coolant temperature sensor is located on the driver's side of the head of the engine. The sensor is typically found on 2008,2009,2010 and newer models such as C300 and E350. Cylinder head temperature sensor and putting the engine as overheating. A picture of a typical Coolant Temp Sensor (aka ECT) is below: Be sure to partially drain coolant below the level of the sensor to avoid spillage when removing the old part. Component & System Locations: Front EGR.Coolant.Crossover.Tube The EGR coolant crossover tube transfers coolant from the right side EGR cooler to the left‑side EGR cooler. It is just behind and underneath it. Engine.Coolant.Temperature. Comments: Where is the coolant temperature sensor for 2007 C230? These are the air temperature outside the vehicle and various drive characteristics. back there , there are only 2 sensors, 1- the coolant temp sensor sticking out of the back of the head and 2- the crank sensor that is located directly under the temp sensor about 3 inches. ... Mercedes-Benz C280 203.092 2006-2007 Mercedes-Benz C300 204.081 / 204.054 2008-2011 Figure 3. Coolant tank is full no leaks. (Jiffy Lube) Just put gas in the truck drove 1/4 mile parked at a restaurant picked up food got in the truck it sputtered during the start but it did start. The picutre is different on 2007. (ECT) The ECT sensor is a thermistor‑type sensor that is used to detect engine coolant temperature. The resistance of the coolant sensor is very dependent on external factors. On the 4 cylinder motor (2.3L,2.5L), the coolant temp sensor can be located on the left side rear of the engine, below the cylinder head. Tighten Torx bolts, and connect thermostat to bracket. Look for the upper radiator hose going into the head of the block. SOURCE: where is the temp sensor located on a 1999 saturn.