What to do when your coolant sensor goes bad?
Allow the engine to cool so you do not get burned. Place a catch pan under the radiator once you can touch the engine. Drain approximately one gallon of antifreeze from the radiator. Unplug the electrical connections on the coolant temperature sensor.
What to do when your coolant reservoir is gone?
Since the old reservoir is gone, this is a good opportunity to clean any coolant, debris, dirt or gunk that may be under that area. When you reinstall any new part, it’s critical to ensure the area is clean to make sure the new part secures solidly to the engine compartment.
Why does coolant come out of the overflow tube?
While this may seem to be a minor issue, it can lead to dire consequences. In normal circumstances, the coolant gets ousted out from the reservoir overflow tube, the moment the engine starts warming up. This leakage is visible and may result from bad reservoir cap. Go through maintenance tips for consequences of the overfilled coolant reservoir.
Where is the coolant temperature sensor on my car?
Unplug the electrical connections on the coolant temperature sensor. You will find the coolant temperature sensor screwed into the engine (usually on the driver’s side). The coolant temperature sensor has a wire lead running from it.
What to do when your coolant sensor is replaced?
Properly dispose of used coolant. Step 16: Lower vehicle from jack stands. Place the vehicle back level to the ground. Once the coolant temperature sensor has been replaced, you need to start the engine, check for leaks, and refill the radiator fluid in most cases before you test drive the vehicle.
When does the coolant level sensor light stay on?
The coolant level sensor light stays on: The coolant level sensor light comes on the dashboard in many of today’s modern cars, trucks, and SUV’s when the coolant level is low inside the radiator. However, if the coolant reservoir has coolant it naturally flows to the radiator to prevent this from occurring.
When did the Mercedes coolant sensor go bad?
This is a very inexpensive part that can go bad and give you false warnings of low coolant on your warning light. Very easy to change as you will see. Applies to most Mercedes from 1986 to 1995 that have float type sensor in the reservoir tank connected with two wires. W201, W124, Late W126, and early W129.
Since the old reservoir is gone, this is a good opportunity to clean any coolant, debris, dirt or gunk that may be under that area. When you reinstall any new part, it’s critical to ensure the area is clean to make sure the new part secures solidly to the engine compartment.