well, first throw it away then buy a new one.
buy a new engine. your head gasket has gone bad, a rebuild is not a good idea because your heads could be warped. run it till it blows up, buy used motor.
the car over heats which can cause the heads to become warped or even cracked fix it asap that's something that you cant hold out on it will cost alot to fix it if you do ....
Have a compression test run to see if you have a problem with the head or gasket. Once you find out you do, then you must remove the heads in order to determine what the problem is. Have the heads inspected at a machine shop to determine if they are warped or cracked. Once the heads are removed the gasket must be replaced so it really makes no difference.
you cant
replace it
Could be many things like a stuck thermostat, blown head gasket, warped heads, bad water pump etc.
Cracked or warped heads, motor block, Bent valves, blown head and/or header gaskets worst case locking up the engine.
Depending on the engine ball park $700.00 to $1500.00 or higher if the heads are warped etc. There are two heads, never replace just one gasket.
To fix warped cabinet doors, you can try adjusting the hinges, applying moisture to the warped area, or using a heat gun to reshape the wood. If these methods don't work, you may need to replace the door.
A couple of things- Does engine start well, cold or hot? Have you noticed loss of power? Does it smoke?(maybe an indication of a blown head gasket) Do you notice water in the oil?(another indication of head gasket failure or warped heads) Do you notice an engine miss (a putt-putting sound at the exhaust pipe) There are other indicators as well, but these are the most common with an overheat-damaged engine. I just put a 3.1 in my son's car and the reason was that the heads warped so badly that it was cheaper to find a good, decent mileage engine.
To fix a warped board in your furniture, you can try using a damp cloth to moisten the warped area and then apply pressure or weight to flatten it out. You can also use a heat gun or steam to help reshape the board. If these methods don't work, you may need to replace the warped board.
To fix a warped wood floor, you can try using a dehumidifier to reduce moisture levels, sanding down the warped area, and then refinishing the floor to restore its smooth surface. If the warping is severe, you may need to replace the affected boards.