Will a car start with a blown head gasket - image from pixabay by Kancilp

Will A Car Start With A Blown Head Gasket?

by

Jeffrey
June 27, 2022
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If you have a car that has a blown head gasket, will it start?

This is a question that many people ask, and the answer is not always easy to determine.

In this blog post, we will explore and answer the question “will a car start with a blown head gasket?”.

We will also discuss some of the signs that can indicate that you have a blown head gasket so that you can get your car fixed before it becomes too late.

The head gasket is a seal between the engine block and cylinder head.

The head gasket has a high-pressure seal that prevents oil, coolant, and compression from escaping the cylinders.

A head gasket can fail in several ways.

The most common way is when the engine overheats and the metal expands.

The expansion can cause the head gasket to warp or crack.

A head gasket can also fail if the engine is not properly lubricated, which can cause the gasket to dry out and crack.

If a head gasket fails, it will cause a loss of pressure in the cylinders, which will lead to a loss of power and eventually engine failure.

In some cases, a blown head gasket will cause the engine to stall and will not start.

Will A Car Start With A Blown Head Gasket?

One of the most common questions mechanics get asked is “will a car start with a blown head gasket?”

The answer, unfortunately, is not a simple yes or no. It depends on the extent of the damage and where the leak is located.

A blown head gasket is usually caused by overheating, and it can result in engine oil or coolant leaking into the cylinders.

If the leak is small and only affects one cylinder, then the engine will probably still be able to start and run, albeit Roughly.

However, if the leak is large or affects multiple cylinders, then the engine will likely refuse to start.

In any case, it’s always best to get a blown head gasket repaired as soon as possible, as it will only get worse over time.

If you suspect that you have a blown head gasket, it’s important to have your car towed to a mechanic and have it repaired as soon as possible.

Trying to drive with a blown head gasket will only make the problem worse and could potentially cause your car to catch fire.

So if you spot any of the above signs, don’t take chances, get your car towed to a mechanic right away.

Will a car start with a blown head gasket

Signs Of A Blown Head Gasket

Unusual Increase In Engine Temperature

If your engine temperature suddenly increases, this may be a sign of a blown head gasket.

The function of the head gasket is to seal the space between the engine block and cylinder head, preventing coolant and oil from contamination.

A blown head gasket can cause a sudden increase in engine temperature as the cooling system is unable to properly circulate coolant.

In addition, a blown head gasket can also lead to oil leaks and engine misfires.

If you suspect that you have a blown head gasket, it is important to have the problem diagnosed and repaired as soon as possible.

Ignoring a blown head gasket can result in serious engine damage.

Steam Coming From Under The Hood

A blown head gasket is one of the most serious problems that can occur in a car.

It occurs when the seal between the engine block and cylinder head is damaged, allowing coolant and oil to mix.

The resulting steam can cause the engine to overheat, requiring expensive repairs. In some cases, a blown head gasket can even lead to engine failure.

If you see steam coming from under the hood of your car, it’s important to have it checked out by a mechanic as soon as possible.

Oil And Coolant Leaks

A blown head gasket can cause your car to leak oil and coolant.

The head gasket is a seal between the engine block and the cylinder head.

It seals in the combustion chamber so that the pressure of the expanding gases can push against the piston, turning the crankshaft.

A blown head gasket can cause a loss of compression in the cylinders, and can also allow oil and coolant to mix.

This can lead to engine damage, as well as overheating.

White Smoke Coming From The Exhaust Pipe

One of the most common reasons for white smoke coming from a car’s exhaust pipe is a blown head gasket.

The head gasket seals the engine’s cylinders, and if it fails, pressurized coolant can leak into the cylinder.

This can cause the engine to run hot and produce white smoke.

In some cases, the head gasket can be repaired, but in others, it will need to be replaced.

If you suspect that your car has a blown head gasket, it’s important to have it checked out by a mechanic as soon as possible.

Car Stalls Or Will Not Start.

A blown head gasket is one of the most serious problems that can occur in a car.

If your car stalls or will not start, it is likely due to a blown head gasket.

The head gasket seals the engine block from the cylinder head.

It also prevents coolant and oil from mixing.

When the head gasket blows, coolant and oil can mix, causing the engine to overheat.

The engine may also lose potential power and fuel efficiency.

In some cases, a blown head gasket can cause the engine to seize up completely.

If you suspect that you have a blown head gasket, it is important to take your car to a mechanic as soon as possible.

Otherwise, you may end up doing serious damage to your car’s engine.

Ways To Repair A Blown Head Gasket

Replacing Head Gasket

Replacing a blown head gasket is a complex repair that should only be attempted by experienced mechanics.

However, if you’re feeling confident, here are the steps you’ll need to take:

  • Remove the spark plugs and disconnect the battery. This will help to prevent any accidental electrical damage during the repair.
  • Drain the coolant from the radiator and remove the radiator cap to release any pressure.
  • Disconnect any hoses or wires that are attached to the head gasket area. This may include the water pump, thermostat, and EGR valve.
  • Use a wrench or socket to remove the bolts that hold the cylinder head in place. Carefully lift off the cylinder head and set it aside.
  • Inspect the engine block for any cracks or damage. If necessary, you can use a special sealer to repair small cracks.
  • Clean off the old head gasket material from both the engine block and cylinder head. Make sure both surfaces are completely smooth before proceeding.
  • Re-assemble the engine, making sure to apply a new head gasket in the correct position. Tighten all bolts and hoses securely, then refill the radiator with coolant. Reconnect the battery and start the engine. Test drive the car to make sure the repair was successful.
Will a car start with a blown head gasket

Use A Sealant To Fill In The Cracks And Holes

One way to help prevent a blown head gasket is to use a sealant to fill in the cracks and holes.

There are many sealants on the market, and they come in both liquid and gel forms.

Most sealants are easy to apply, and they can be found at any auto parts store.

Sealants work by creating a barrier between the engine and the outside world, and they can help to prevent leaks and other problems.

In addition, sealants can also help to prevent rust and corrosion, which can further damage the engine.

When choosing a sealant, be sure to select one that is compatible with the make and model of your car.

Once applied, be sure to follow the manufacturer’s instructions carefully in order to ensure optimal results.

Machining It Down

Finally, some mechanics will try to repair the head gasket by machining it down.

This is not always successful, however, and may only work for small leaks.

If you have a blown head gasket, it’s important to take your car to a mechanic as soon as possible.

Otherwise, you may end up doing serious damage to your car’s engine.

How To Prevent Blown Head Gasket On Car?

There are a few things you can do to help prevent a blown head gasket on your car.

First, be sure to regularly check the level of your coolant and add more if necessary.

Also, avoid overheating your engine by letting it cool down periodically during long drives.

Finally, have your car’s cooling system checked regularly by a mechanic to ensure it is in good working order.

By following these simple tips, you can help avoid a blown head gasket and keep your car running smoothly for years to come.

Jeffrey

Jeffrey Bryce is an experienced motorcycle rider with years of experience caring for motorcycles. His natural fondness for motorcycles have made him come up with LetsGoForARide.com, which is dedicated to answering and teaching you how to care for your bike with the care it requires. LetsGoForARide is the one of his important lifework in reaching out to communities of motorcycle enthusiasts on how to take care of their bike and choosing the correct spare part.