How to change the thermostat on a Mercedes Benz?
How to change the thermostat on a Mercedes Benz?
Look on the right side, just below it. Once the car is cold, begin by removing the cap on the coolant reservoir to release any residual pressure. Remove small hose going from the top of the thermostat housing to the coolant reservoir (green arrows). Next remove the two electrical connectors (green and red arrows).
How to know if you need to replace your thermostat?
If desired, test your thermostat. 1 Get a pot of water boiling. 2 Insert your thermostat. The thermostat should open at around 190 ºF (88 ºC). Since water boils at 212ºF (100ºC), this is more than enough. 3 If the thermostat doesn’t open in the water (and then close when it cools), you need a new one.
How do you remove an old thermostat from the wall?
Remove the old thermostat from the wall. Most thermostats slide upward from where they are attached to the wall. Loosen the screws that attach the wall plate to the wall, if there is one. Some thermostats have a base and sub-base.
Where is the thermostat on a 1977 450SL?
PLEASE NOTE: If you have a 1977 450SL, the thermostat is not located in the housing. Instead, it is mounted to the right side of the housing for the top hose adapter you removed. Look on the right side, just below it. Once the car is cold, begin by removing the cap on the coolant reservoir to release any residual pressure.
Look on the right side, just below it. Once the car is cold, begin by removing the cap on the coolant reservoir to release any residual pressure. Remove small hose going from the top of the thermostat housing to the coolant reservoir (green arrows). Next remove the two electrical connectors (green and red arrows).
PLEASE NOTE: If you have a 1977 450SL, the thermostat is not located in the housing. Instead, it is mounted to the right side of the housing for the top hose adapter you removed. Look on the right side, just below it. Once the car is cold, begin by removing the cap on the coolant reservoir to release any residual pressure.
Where is the thermostat located on a car?
The thermostat is located on the side of the water pump where the lower hose from the radiator connects. If you are going to be working on the thermostat, make sure the car is cool and not under pressure. Working on a hot engine or one under pressure can cause serious harm (coolant is also very toxic) and should never be attempted.
