Thermostats in most vehicles have seals and gaskets that are designed so you do not need any aditional sealant.
the location of the thermostat is under the throttle body.before you put it back on you need to buy some gasket sealer or a gasket for the thermostat
yes
The thermostat is inside of the thermostat housing, where the top radiator hose connects. You will need to disconnect the top hose and unbolt the thermostat housing to get to the new thermostat. Make sure that the new unit comes with a housing gasket, as some gaskets are sold separately. Make sure to clean all of the old gasket off, and use gasket sealer as per the installation instructions.
If the thermostat is exposed but it just won't come out, it might just be stuck with a little gasket sealer. If that's the case, you might need to 'persuade' the thermostat a little.
NO you do not. That is what the o-ring is for. If you use sealer it will wind up in the oil and that is Not good.
Replacing a head gasket on a 1996 Honda Accord requires removal of the cylinder head, timing belt, and several other components. The head will need to be resurfaced. Remove the old gasket and place the new one with gasket sealer. Reinstalled the head.
On some of the older models (4-5 years or more) most mechanics use a light coat of gasket sealer to hold the gasket in place until the gasket housing is torqued down. Some thermostat gaskets come with a gasket already coated with a peel off to help hold it in place. On most newer models they use a rubber "O" ring or seal and no gasket is required.
You should use a thermostat gasket along with the thermostat housing ring. The gasket should be replaced every time the thermostat housing is opened.
Tools a new thermostat and gasket and coolant
Follow the top radiator hose back to the engine. The radiator hose connects directly to the thermostat housing. Pull the two bolts that hold the housing then you'll need to work at it to get the housing off since it's stuck on with gasket sealer.
Vehicle will run without a thermostat - however will not run as efficiently and will have not heat
To replace the oil pan gasket on a 2001 Volkswagen Passat turbo the exhaust downpipe must be removed. The oil needs to be drained and all the pan bolts need to be removed as well. When replacing the gasket a sealer should be used to ensure a proper seal.