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The cylinder head gasket is a sealing element that guarantees the reliability and tightness of the connection between the cylinder block and its head, ensuring the sealing of the channels and cavities of the car engine. The cylinder head gasket prevents leakage of technical fluids, mixing of coolant and oil, and also seals the combustion chamber hermetically. If the gasket becomes damaged, serious problems with the engine and the machine itself can occur. The gasket requires no maintenance and is intended for one-time use.

Depending on the material there are:

  • asbestos
  • non-asbestos
  • metal gaskets.

Signs of a malfunction that require you to contact a repair shop

  • overheating of the engine, an increase in temperature occurs unexpectedly and sharply, as gases break into the cooling system
  • a drop in the coolant level in the expansion tank - accompanied by white smoke from the muffler, which indicates antifreeze entering the cylinders
  • emulsion, foam on the oil dipstick - the most unpleasant thing, as antifreeze gets into the lubricant
  • an increase in pressure in the cooling system pipes - this can be checked by hand; the hoses become too hard
  • oil leaks - traces of oil can be seen at the junction of the cylinder head with the block, which indicates a ruptured seal
  • bubbling of antifreeze - due to a breakthrough, the temperature of the antifreeze rises sharply
  • unstable heater operation - escaping exhaust gases disrupt the operation of the heat exchanger, reducing the efficiency of the stove
  • white smoke from the engine compartment.

You can drive with a broken head gasket, but it is extremely undesirable. And the best thing is to quickly get to a car service center for repairs. The fact is that the consequences of the problem can be very serious. Water hammer may occur if a large volume of antifreeze is supplied through the damaged gasket area. The piston, performing a forward-return motion, will collide with an incompressible fluid. The connecting rod breaks through the wall of the cylinder block. The engine must be thrown away, as the crankcase and crankshaft break, the connecting rods bend and the pistons are damaged.

The procedure for replacing the cylinder block gasket is not complicated, however, it is best to entrust it to car service professionals who have not only the necessary skills, but also the appropriate equipment.

Incorrect, insufficiently tight installation of the gasket can lead to its rapid burnout, the consequences of which are usually very disastrous for any automobile engine.

After replacing the cylinder head gasket, you must continue to monitor the condition of the product so as not to miss a possible malfunction.


"Head gasket replacement" fixes "Blown head gasket"

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Four common causes for a lawn mower sound from the vehicle and their related parts.
This fix will help eliminating

Lawn Mower Noise

The lawn mower sound is typically due to a crack in the combustion system. A vehicle's combustion system features many components, such as cylinders, spark plugs, and exhaust, which are all susceptible to damage. These are the most common issues involving these parts:

  • A crack in the exhaust system: The exhaust system serves as a sort of "straw" that throws engine gases to the outside. When the exhaust cracks, it affects the flow of gases, making weird lawn mower sounds.
  • Faulty head gaskets: The head gasket is a sealing component inside the engine that prevents fluid and gases from the engine's cylinders from mixing up. However, when this sealing fails, it can allow leaks; the leak can lead to fluid building up on hot surfaces and produce gurgly lawn-mower-like noises when the vehicle is running.
  • Faulty spark plugs: Spark plugs are engine components that create a spark; the spark they create ignites the fuel in the combustion process and makes the car start. However, when spark plugs become faulty, like when they are malpositioned or overheating, they fail at "sparking" and produce noisy detonation, resembling a lawn mower sound.
  • Engine misfire: An engine misfire happens when there's an issue in the combustion process. Cylinders work with spark plugs and perform controlled explosions in the combustion process, but when a spark plug is faulty, a cylinder might do this explosion wrongfully; this is called a "misfire," and it sounds like a lawn mower.
  • Faulty wheel bearing: Wheel bearings are components that help support the weight of the car and provide balance; they're found between the wheels and a large metal rod below the vehicle called an axle. However, as a wheel bearing wears out, it'll cause more rolling friction, generating a lawn mower sound.
  • Exhaust manifold leaks: The exhaust manifold is a component inside the engine that collects the resulting gas from cylinders and leads them outside through the exhaust pipe. However, if there's a leak in this system, the exhaust manifold changes the tone of the exhaust gases, producing a lawn mower noise.
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