A sealing ring is a ring that is used to prevent leaks in pipes. A gasket serves the same purpose as a sealing ring, but can also keep in gas.
There isnt one. Replace the gasket. Additives are worthless. If you add something to your coolant to clog gasket tears then what else are you clogging?? Water pump, heater core, radiator? Replace the gasket.
A new head gasket.
Gasket that goes between head and valve cover to prevent leaks
Seldom, if ever, do i see a bad intake. On the older aluminum V-8 intakes in the oldsmobile engines they used a steel intake gasket and the steel would corrode pits into the sealing surface which caused antifreeze leaks. Most of the troubles that i see with intakes are with the intake gaskets going bad or with vacumn leaks caused by split vacumn hoses or a leaking intake gasket.
A failed head gasket will have different symptoms depending on where the gasket failed. If the gasket fails in such a way that coolant leaks it usually leaks into the oil reservoir and the oil will appear a milky light tan color. The coolant also may leak out of the gasket onto the engine, appearing between the head and the block. If the gasket leaks in such a way as to cause loss of compression the engine will idle rough or will not want to idle at all. If the gasket leaks oil it may end up in the cylinder(s) or come out between the head and the block. Also, any combination of the above described leaks may happen in conjuction with one another.
Depending on what engine you have, Intake manifold; vacuum leaks, coolant leaks internal and/or external, oil leaks. Exhaust manifold; exhaust leaks, backfires.
Oil/antifreeze mix is usually caused by head gasket leaks or valve cover gasket leaks.
White smoke coming from the exhaust is a sign of a bad head gasket. There are some products that you can try for a blown head gasket but they are only good for small leaks. You will probably have to remove the head and replace the head gasket.
When it leaks.
A common cause of problems in cylinder head gaskets is leaks in the gasket. When a leak forms, the gasket must be replaced.
You possibly have a leak in the cylinder head gasket.You possibly have a leak in the head gasket.
Most often that indicates the presence of water or coolant in the combustion chambers. Common causes are head gasket leaks, intake gasket leaks, warped head/s or warped intake.
it leaks oil
You have a failed gasket, seal, or hose.
Most connections / joints between parts have a gasket to prevent leaks. So a failed gasket is a typical cause of leaks, including where the exhaust pipes connects to the exhaust manifold.
faulty fuel filter or seal on filter not sealing
You will need a new oil pan gasket when the oil pan gasket leaks. It is recommended that you use a new oil pan gasket every time you remove the oil pan.
Yes. Antifreeze is actually pumped through the intake manifold. If the gasket is bad it is possible that it leaks out
replace the valve cover gasket, easy fix
A coolant additive that seals some external leaks and closes off internal coolant passageways including stopping flow in a radiator or heater core. There are different products for different applications. There is a radiator leak sealer which uses "organic material" to seal leaks, and a head gasket/block sealer that uses sodium silicate to solidify under high temperature.
There are several pour in sealant options that "Claim" to seal head gasket leaks. If they work at all and it is unlikely, it will be for a short period only.The only real repair for head gasket leaks is to change the head gasket making sure to check everything correctly allong the way!
These products react differently with engine/transmission gaskets. It is best to select a product when the car is new and stick with that product to avoid possible gasket failure (leaks).
Might I suggest that either the leak was/is not at the timing cover gasket, or maybe something went wrong on the gasket install?
Check the integrity of the trunk lid gasket and make sure the plugs are in the bottom of the trunk, especially the spare tire well. Also, if the vehicle has been in a wreck there may be some areas that are not sealing properly around the wheel wells.