What are the symptoms of a blown head gasket in the radiator?

1 Answers
SanPaul
07/29/25 2:37pm
In the radiator, there may be yellow-black oil foam floating on the surface of the coolant, or noticeable water in the engine oil in the oil pan. When these two types of gas leakage become severe, the exhaust may contain water or engine oil. A blown head gasket can exhibit the following symptoms: 1. Insufficient engine power: If the head gasket is damaged between two cylinders, the engine will lack power, the car will feel sluggish, and acceleration will be poor. When the air filter is removed, a 'popping' sound may be heard at the intake pipe during idle. 2. Blue smoke from the exhaust: If the damaged area of the head gasket connects to the oil passage, some engine oil may flow into the cylinder and burn, causing blue smoke from the exhaust. 3. Abnormal noises from the head gasket: If the damaged area of the head gasket is exposed to the outside atmosphere, the engine's performance will decline, fuel efficiency will worsen, and a loud 'popping' noise may be heard from the damaged area.
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