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It can if you use it properly. The cooling system pressure is not as great as engine compression,however a blown gasket is usually a two way street. When your cooling system is hot there is pressure back to the cylinder and the coolant can move back and forth between compression strokes of the engine. Ok everytime the sealer enters the breach it is blown back out,but it builds a layer each time because there is a hot spot where the leak is. That is why it can work. I would buy a sealer that is compatable with antifreeze such as k-seal, or k&w fiberlock. If you know what caused the head gasket failure, fix that first and foremost or your efforts will be in vain. It is also worth noting that if the compression is too great and is not allowing sealer to work, you can remove one spark plug at a time until you find no bubbles in coolant. If you do this it will only allow the sealer to penetrate without pressure from the cylinder. It will run rough,but should do the trick. Unplug the fuel injector to each one you test. Put electrical tape over end of plug wire to prevent arcing.
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What can cause high pressure in the cooling system of a Saturn?
High pressure in a car's cooling system might be caused by exhaust gases from normal engine combustion entering the cooling system. The exhaust gases might be entering the coolant due to a head gasket that is leaking, or perhaps even due to a cracked engine block. Note that under normal operation, cooling systems are pressurized due to the heat expansion of the coolant. However, if a fairly new radiator and/or hose has burst, or if the coolant hoses connecting to the radiator are rigid with pressure, this is abnormally high pressure.
Can a leaking intake gasket cause coolant to flow into the exhaust system?
No.
Why does white smoke come out of the exhaust system when you first start the car up?
White smoke from the exhaust is a symptom of coolant entering the combustion chamber. You have a blown head gasket, cracked head, or both. STOP driving this car immediately. You will destroy the engine if you continue to drive it in this condition.
Besides a blown head gasket what are other possible causes of excessive white exhaust smoke or steam?
On some vehicles, coolant flows through the intake plenum. A leak or cracked plenum will allow coolant to enter the combustion chamber. Whatever the cause, you need to stop driving this vehicle until this is fixed. Serious engine damage will occur if you indeed do have coolant entering the combustion chamber. Now, if you never have to add coolant to the system, then you may just be seeing normal condensation during cold temperatures. Without seeing or smelling the exhaust, it is hard to say. If it is coolant the exhaust will smell sweet.
What does it mean when I am using a lot of antifreeze?
It could be a number of things. If the car is producing a sweet smelling white exhaust smoke then the coolant is entering the combustion chamber and burning. This could be the head gasket, cracked cylinder walls, cracked cylinder head, or a clogged cooling system. If the coolant is dripping from anywhere other than the coolant resevoir overflow, there is a leak from the cooling system. Easiest way to find out is to have the cooling system pressure tested.
Can it hurt to drive your car with white smoke coming out of the exhaust pipe?
Yes it will hurt and hurt severely. White smoke is almost always a sign of a blown head gasket or cracked head. Coolant is entering the combustion chamber and is also entering the oil system. You will destroy this engine if you continue to drive it in this condition.
How do you know if you have a blown head gasket in a 1994 Cadillac STS?
Depending on the failed section of gasket, either the engine coolant ( anti freeze) will mill with the engine oil making a creamy, expensive mess. or exhaust gases entering the cooling system
Your exhaust emits white smoke and drops of water even when engine warms up but no loss of coolant or overheating?
If there is no overheating or loss of coolant, most likely it is due to condensation in the exhaust system (pretty normal in cool or rainy weather).
What are the causes of high pressure in Toyota Hilux SR5 2003 cooling system The system loses coolant through the coolant bottle afte the radiator cap releases coolant?
Sounds like you may have a bad head gasket.It will leak exhaust into the cooling system and create alot of pressure
I have white smoke roaring out of my exhaust pipes doesn't smell like antifreeze The car shakes but when I disconnect the mass air flow sensor it stops shaking but the smoke continues?
Check your fluid level in your cooling system. Run the engine and check the fluid level after several minutes to see if in fact it is your coolant entering the exhaust system. If this is the case your engine block could be cracked and might have to be replaced.
Why do you have water dripping out of 87 CBR1000F muffler when you stop the bike not really using up coolant and no water in the oil mufflers are also not the lowest point in exhaust?
The water you see comming from the exhaust is condensation. A by product of the combustion process is water and until the exhaust system gets hot enough to maintain the water in the exhaust in a gaseous state it will condense (fall out of the exhaust stream) in the exhaust system. After the engine gets warm and heats up the exhaust system the water does not condense in the exhaust system anymore and is dirrected into the atmosphere. P.K.
What parts of the car must be in good condition to prevent too much noise and gases entering the car?
The exhaust system.
