Blown Head Gasket Symptoms-What You Should Be Looking For

Blown Head Gasket Symptoms
Blown Head Gasket Symptoms

So, A blown head gasket can lead to repairs to the tune of $1000 to $3000.

Every modern car has this gasket but they vary in their thickness and construction based on the manufacturer’s design of the engine.

The head gasket seals the combustion chamber allowing your car to build the proper compression and contain exhaust gases.

The head gasket also keeps coolant and oil out of the combustion chamber which is very important.

However, if you see blown head gasket symptoms, in advance, you can prevent major repairs.

So, If you suspect that you have Blown Head Gasket Symptoms on your hands, You need to have that confirmed.

A reliable way to determine whether a head gasket is blown is to test for carbon dioxide.

In this test, the coolant is examined for traces of combustion gasses.

The test is performed with an apparatus that utilizes a solution that changes color upon contact with carbon monoxide.

You just need to know what signs to look for.

Consequently, Expert car mechanics can easily make a blown head gasket diagnosis.

Here is a compilation of head gasket symptoms that you should check out.

Blown Head Gasket Bubbles in rad
Blown Head Gasket Bubbles in rad

Head Gasket Symptoms #1: Chronic Engine Overheating:

One major blown head gasket symptom is a consistently high temperature of the car engine. So, This is a symptom that can be easily checked from the temperature gauge of the car dashboard. Chronic engine overheating may be both a cause and symptom of a leaking head gasket.



Blown Head Gasket Symptoms #2: Significant Drop in Coolant Level:

Check the engine coolant level. If it has dropped suddenly, then there is a possibility that the head gasket has blown up.


Coolant Leak
Coolant Leak

Blown Head Gasket Symptoms #3: Mixing of Coolant and Engine Oil:

Check out the engine oil of your car. As a result, If you notice a frothy formation on the dipstick, coolant and engine oil have gotten mixed.



white smoke
white smoke

Blown Head Gasket Symptoms #4: White Smoke from Exhaust Pipe:

If you notice sweet smelling white smoke along with water droplets from the exhaust pipe, then you could have a blown head gasket.


Rad Cap
Rad Cap

Blown Head Gasket Symptoms #5: Popping of Coolant Overflow Tank Cap:

Let the engine rest and cool down for about twenty minutes.

Then open the car hood and locate the coolant overflow tank.


If you remove the tank cap and it makes a popping sound, that could mean the cooling system is still pressurized even after engine has shutdown. This is a clear leaking head gasket symptom.


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