How do you replace a thermostat in a car?
Unplug the electrical connector from the sensor if your car has one. The sensor is typically found on 2008,2009,2010 and newer models such as C300 and E350. Remove the thermostat from the engine block. If the thermostat doesn’t come loose, you may need to pry it away using a flat screwdriver. Install the new thermostat in reverse order.
Do you have to remove the base of a thermostat?
Some thermostats have a base and sub-base. You need to remove the entire thermostat — all you should be left with is exposed wires and a bare wall, nothing else. If the wires you expose are corroded and there is enough wire length, re-strip the wires. Otherwise, scrape the ends with a utility knife until they are shiny.
What should I do if my thermostat is not working?
Check to make sure your replacement thermostat is working. Set the thermostat so the furnace and the air conditioner will come on at different times. Give your furnace and air conditioner at least 5 minutes each time to activate. If the thermostat does not work properly, retrace your steps to see where you made a mistake.
Can you change the thermostat without draining the coolant?
The thermostat is one of the high points in the system (red arrow) so lots of people try and change it out without draining the coolant completely and then just topping up and bleeding the system after they are finished.
How do you replace a thermostat on a wall?
Replace all wires back into the wall, if extra length is exposed. Place the thermostat flush against the wall, slightly above the wall plate. Slide it down so it catches the grooves (or screws) on the wall plate to sit in place.
How do you replace the thermostat on a Mercedes Benz?
To replace the thermostat, you will need to drain some coolant from the radiator. At the bottom of the radiator of your Mercedes-Benz there should be a drain plug.
How do you change the thermostat on a radiator?
Here’s how: Place a bucket (or some sort of container) underneath your radiator. You’ll have somewhere between 4 to 8 cups of fluid pouring out, so don’t skimp on the size of your container. At the bottom of the radiator, there should be a draining screw or cap (technically, it’s a radiator drain cock). Twist this to the left, opening it up.
How do you install a new thermostat at Home Depot?
Remove the existing thermostat base by loosening the mounting screws. Separate the front of the new thermostat from the base. Begin by installing the base first. Thread the low-voltage wires through the specified opening of the new thermostat base. If your new thermostat is not self-leveling, use a