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How do you bleed the air out of a small block Chevy cooling system?
Wiki User
∙ 13y ago
Let the motor warm up with the radiator cap off. When the thermostat opens, the level will suck down, releasing the air bubble.
Wiki User
∙ 13y ago
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How do you use bleed valve?
A bleed valve is used to remove air and liquid from a vehicle's radiator or engine block. It has two wings that can be turned by hand. If unable to be turned by hand, a small pair of pliers or wrench will usually persuade a stuck bleed valve to turn and drain the system. The bleed valve is important. The cooling system is easily bled, allowing any trapped air in the system to escape. Air trapped within the system will cause the engine to run hot, as the coolant will not flow through the system properly.
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