Pointy side up. You have a groove in your intake and that is for the thermostat to rest in and then the
 
 tope of your thermostat flange should be just about flush with the intake top
 
 . That’s there the gasket or o-ring rests.
 Where does the gasket go on a thermostat?
 
 Pointy side up. You have a groove in your intake and that is for the thermostat to rest in and then the
 
 tope of your thermostat flange should be just about flush with the intake top
 
 . That’s there the gasket or o-ring rests.
 How do I know if my thermostat gasket is bad?
 
- The temperature gauge reads high and the engine overheats.
 - The temperature changes erratically.
 - The vehicle’s coolant leaks around the thermostat or under the vehicle.
 
 How do you change a thermostat gasket?
 
- Introduction.
 - 1Locate your thermostat if you haven’t already done so.
 - 2Place a bucket under where you’re going to be working.
 - 3Remove the clamp.
 - 4Pull off the hose.
 - 5Remove the bolts that hold the thermostat housing in place and lift out the old thermostat.
 - 6Lay the new gasket in place.
 
 What is a thermostat gasket?
 
 Thermostat gaskets are
 
 designed to provide a seal between the thermostat housing and vehicle engine
 
 . … The thermostat gasket must be compatible with the vehicle cooling system; the Tridon thermostat gasket range has been carefully researched and engineered to suit each specific application.
 Do you need a gasket for a thermostat?
 
 Most new thermostats come with their own gaskets or
 
 rubber seal
 
 , but not all. … Some thermostats come with a rubber seal instead of a traditional gasket. Before installing, apply a light coat of fresh coolant to the seal. Some models use a liquid gasket instead.
 Is it hard to install a thermostat?
 
Upgrading to a thermostat that automatically changes the indoor temperature setting is fairly easy, and it can trim about $180 off your annual heating and cooling costs, according to the EPA. Simple models that only control heat are sold at home centers for around $25.
 How do you know if you need a new thermostat?
 
- Your HVAC Keeps Turning On or Off. …
 - Faulty Thermostat Readings. …
 - Suspiciously High Energy Bills. …
 - Constant Temperature Shifts. …
 - Thermostat Is Too Old. …
 - Thermostat Fails to Respond to Changed Settings. …
 - Your HVAC System Short Cycles. …
 - Know When to Replace Your Thermostat.
 
 Can a stuck thermostat fix itself?
 
 Can a stuck thermostat fix itself? One may also ask, can a stuck thermostat fix itself?
 
 You can either replace the valves with new ones or work the valves back into a position
 
 where they can move up and down more freely. Replace the thermostat.
 How do I know if my thermostat is working properly?
 
 Check the screen:
 
 Check the screen of the thermostat and make sure that it is lighted
 
 . A blank or unlighted screen could indicate a thermostat failure. Check the batteries: Many modern thermostats rely on battery power to operate. If the screen is blank or unlighted, a battery change could solve the problem.
 Why is my thermostat gasket leaking?
 
 While these materials are designed to last for a long time,
 
 exposure to extreme temperatures and movement in the coolant rubber hose may cause your thermostat
 
 to eventually spring a leak. Coolant will also leak out of the system once the housing is cracked, warped, or damaged in any way.
 How do you fix a leaking thermostat gasket?
 
- Drain your coolant system.
 - Remove the two clamps from the hoses on the housing. …
 - Remove the two hoses from the housing. …
 - Remove the two bolts holding the housing. …
 - Remove the housing.
 - Remove the thermostat.
 - Clean the housing and the head at the mating surface. …
 - Install a new thermostat (see note below).
 
 What can I use for thermostat gasket?
 
A noncorrosive, sensor-safe RTV silicone gasket material formulated specifically for water pumps and thermostat housings. Highest water-glycol resistance available in an RTV silicone.
 How much is a gasket for a thermostat?
 
 It will cost you
 
 about $1,000
 
 to have the thermostat gasket replaced, and the labor and parts costs will depend on which mechanic you choose and how many parts need to be replaced.
 What does a thermostat housing gasket do?
 
 To keep the engine cool and allow the proper flow of coolant through the engine, the thermostat must open and remain open. Controlled by a bi-metal sensing element and a spring, the thermostat can jam or freeze up, causing
 
 excessive internal pressure
 
 which blows through the thermostat housing gasket.