Put the thermostat in the engine flange so the valve points up. Apply some gasket sealant to the thermostat cover and the cover base this will enable you to ensure that there will be no leaks when the system is sealed.
If the thermostat doesnt sit flat its incorrectly installed.
How to install a thermostat in a car. Put the thermostat in the engine flange so the valve points up. Inspect your new thermostat to find the pointed valve on top and the spring on the bottom. Slide the thermostat into the port on your engine and push it in tightly.
Make sure the thermostats ring fits perfectly in the port or else coolant will be able to leak through. Place the thermostat into the engine. The deeper spring-side end goes into the engine while the shorter end sits in the housing.
If there is a tab it goes through a slot in the thermostat flange. If the thermostat doesnt sit flat its incorrectly installed. If your vehicle has been overheating or doesnt warm up properly you may need to replace your thermostat.
If the thermostat sticks in the open position it doesnt keep the liquid in the engine long enough so you have trouble getting your car warmed up. If the thermostat sticks in the closed position the liquid. Place the new car thermostat in the recessed groove in either the engine or gooseneck air bleed toward the top.
Hold it in place with a self-adhesive gasket. Then apply a bead of RTV sealant. In most cars the thermostat is placed under a housing near the water pump on the cylinder head.
The housing is connected directly to the top radiator hose. In a few cars the thermostat is housed near the bottom hose. Test the thermostat quickly by starting the engine from cold.
Put your hand on the radiator or top hose keep clear of the fan. How to replace a bad thermostat in your car DIY with Scotty Kilmer. How to test your cars thermostat to see if its bad.
Fit the new car thermostat into place after ensuring that the spring mechanism is correctly in place. Apply some gasket sealant to the thermostat cover and the cover base this will enable you to ensure that there will be no leaks when the system is sealed. Replace the gasket at this point and ensure that the holes for the bolts are properly aligned.
Install the New Thermostat Compare the new thermostat to the old one. Then position the new one in place along with its seal and tighten the housing bolts using a torque wrench. Look for a marking on the thermostat indicating which end should face the radiator.
Since tons of people seem to install these backwards I made a little video to actually show you the correct way. However if an engine or cooling system is being serviced for other reasons then installing a new thermostat during related work can be good preventative and inexpensive maintenance. A general rule is to replace the thermostat if the vehicle has overheated regardless of cause and to replace the thermostat if it is in any way suspected of.
Installing a car thermostat is a fairly painless process. The engine has to be cool before attempting the install as you can burn yourself on the components. Empty any remaining coolant from the radiator into a clean bucket.
Most automotive thermostats are found in a container on top of the radiator hose. There are a few vehicles that have the thermostat location under the hose. The thermostat of your car works with the radiator and coolant to help keep your engine at an optimal temperature.
When the thermostat is working properly it works as part of the radiator system flow. The thermostat allows hot coolant to enter the radiator to prevent the engine from overheating. A thermostat is a tool that regulates heating and cooling whether it be in your home or in your car.
Replacing inefficient thermostats can help you save money on utility bills or in your vehicle keep you safe on the roads. The manufacturers inject a mixture of ground-up brass and wax into a copper cup called a pellet. Then they slip a highly-polished metal rod through a rubber O-ring gasket and into the wax.
The pellet is sealed with a crimp ring. Next a metal skirt is welded around the pellet. When installing a thermostat place an Advil Aspirin Tylenol or another pill that will dissolve inside the thermostat lip making it sit partially open.
This will allow easier bleeding as you can fill the car with coolant and it will be able to burp through the thermostat cold. Mount the thermostat base by gently pushing the excess wire back into the wall opening and plugging the hole with a fire-resistant material. Fiberglass insulation is great for preventing drafts from affecting thermostat operation.
Mount the control unit to the base using the screws included with your thermostat. How to Test a Car Thermostat. Checking your car thermostat is the best way to know if the unit has actually failed.
The testing procedure requires a kitchen thermostat and a pair of needle nose pliers. First you need to remove the thermostat from your car.