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What are the cooling sensor?
A coolant temperature sensor (CTS) (also known as an ECT sensor or ECTS (engine coolant temperature sensor) is used to measure the temperature of the coolant/antifreeze mix in the cooling system, giving an indication of how much heat the engine is giving off.
Where is the thermostat on a 2004 Audi A4?
The thermostat on the Audi A4 is locating in located below the intake manifold and behind the alternator. To replace the thermostat you will need to drain the coolant and move the lock carrier to the service position.
How to replace the coolant temperature sensor on an Audi A3?
Audi A3 and A4 B7: How to Replace Engine Coolant Temperature (ECT) Sensor. 1 Step 1 – Remove engine cover. The engine cover is held in place by a few clips. Gently pull it up to remove it from the engine. 2 Step 2 – Remove coolant temperature sensor. 3 Step 3 – Install new sensor. 4 Engine Coolant Temperature Sensor – AudiWorld.com.
How do you replace a coolant temperature sensor on a car?
You will most likely see a check engine light on the dashboard when your sensor is faulty. This guide will show you how to replace your coolant temperature sensor. The engine cover is held in place by a few clips. Gently pull it up to remove it from the engine. Figure 1.
How does the engine temperature sensor work on a VW?
The simple sensor relays the exact temperature to the engine and coolant temperature gauge to show you when the engine is up to temperature and tell the ECU when to kick on the cooling fans. This DIY on your Audi A4 or various VW models can be a tedious job, but it is straightforward.
Where is the coolant temperature sensor located on a 2004 Chevy Silverado?
The coolant temperature sensor is located on the lower left side of the cooling system. It is on the lower left hose coming from the radiator (red arrow).