Tip: This job should only be completed when the engine is cold and has not been running for a minimum of one hour. He got the job completed very efficiently. After your radiator is full, you need to add fresh coolant to your coolant overflow reservoir. What is a Coolant Sensor and what happens if it fails to function properly? Cylinder head temperature sensor and putting the engine as overheating. 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. Enriques was very knowledgeable and professional. Step 15: Remove coolant buckets. However, the location of this sensor may be different with your specific engine. YourMechanic’s technicians bring the dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM. I would ask for him again. Coolant tank is full no leaks. Today's engines monitor virtually every function to ensure your vehicle runs strongly and efficiently every day. The first item that needs to be completed after you compiled all of your tools and assets is to locate the coolant temperature sensor. There are two ways to drain a radiator: Either remove the petcock valve and let the radiator drain slowly or remove the radiator drain plug and expect a high volume of coolant to flow quickly. Now fuel sensor and air temperature is not working and dealer is saying it is unrelated to their work. • Due to the fact that engine temperature plays a vital role in the overall performance of any vehicle, having a properly functioning coolant temperature sensor is essential. Changed the oil last week. Step 3: Jack the front end for clearance. In some cases, dirt, debris, and other particles will impact the function of the coolant temperature sensor, so you want to make sure you have a clean area before installing the new one. If you discover that the sensor is failing, you'll have to replace this device by following the step-by-step instructions noted below. Noted below are a few of the warning signs that will alert you that the coolant temperature sensor is damaged and needs to be replaced. He went above and beyond the call of duty to ensure that our family's vehicle was up and running. 2000 Mercedes Benz ML320 Radiator Customer Reviews. The coolant temperature sensor (switch) utilizes electrical resistance to measure the coolant's temperature. Another way to prevent getting this page in the future is to use Privacy Pass. Precision-engineered to maintain a secure electrical connection while your engine puts it through varying temperatures and vibrations. The best way to complete any road test is to have a planned route that will bring your engine to proper operating temperature and open the thermostat of your radiator. now they say it is instrument cluster- but rest of instrument cluster works just not these two items right next to each other. The first thing is remove the electronic harness that connects to the sensor. Typically this sensor is attached with a plastic clip. He is very knowledgeable and experienced. Step 16: Lower vehicle from jack stands. If you notice that your temperature warning light is on and the fuel mileage is really poor, it may be caused by the sensor. Any time I need any service I will definitely book him again! if you remove the driver side fan out of the way( 2 10mm bolts holding the fan) you should have good access to them. It's likely that when you start your vehicle for the first time that you'll have to add coolant. Cloudflare Ray ID: 6225da40dfb80c0d He did a great job and I was very happy with his diligence. You can see an example in the picture below. Quick video showing you how to replace the coolant temp sensor on your w220 chassis S430, S500 Mercedes Benz.
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