Head gasket
(→Reasons why head gaskets fail) |
(→Symptoms of a blown head gasket) |
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==Symptoms of a blown head gasket== | ==Symptoms of a blown head gasket== | ||
− | *Foaming or bubbling coolant. | + | *Foaming or bubbling coolant. Indicates head gasket has failed between a cylinder and a passage in the water jacket. |
*Rapid pressure buildup in cooling system, before engine is warm. | *Rapid pressure buildup in cooling system, before engine is warm. | ||
*White smoke in exhaust. | *White smoke in exhaust. | ||
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*Oil in coolant. | *Oil in coolant. | ||
*Low cylinder pressure. | *Low cylinder pressure. | ||
+ | *Two adjacent cylinders with low but equal pressure. Indicates head gasket failure between the two cylinders. | ||
*Car misfires or runs rough at low speeds, due to antifreeze in the combustion chamber. '''(confirm)''' | *Car misfires or runs rough at low speeds, due to antifreeze in the combustion chamber. '''(confirm)''' | ||