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Pressure in the motor building up, using straight water instead of anti freeze, or having a blown head gasket or cracked head would cause a freeze plug to blow out. Better take it to a mechanic and have them look at it.

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9y ago
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4mo ago

A freeze plug may blow out due to excessive coolant pressure, freezing temperatures causing the coolant to expand and push out the plug, or corrosion weakening the plug over time. It can also occur if the coolant mixture is incorrect or if the engine overheats.

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Q: What would cause a freeze plug to blow out?
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Related questions

Will a bad freeze plug prevent car from starting?

A bad freeze plug will leak coolant and cause the engine to overheat.


Without a freeze plug is jeep still drivable?

no withou a freeze plug the water will escape the engine and cause it to over heat.


Can a motor run with a missing freeze plug?

Running it without a freeze plug it will run but can and will cause permenant damage to the engine to to the amount of antifreeze you will lose Running it without a freeze plug it will run but can and will cause permenant damage to the engine to to the amount of antifreeze you will lose


What causes a freeze plug to blow out ona 1995 eclipse gst?

Anti-freeze is not doing its job and the water freezes in the block compressing to the point that free plug does it jobs and relieves the pressure.


How much would it cost to replace a freeze plug on a 1993 cutlass?

It would depend on which freeze plug. Some are easy and some are not.


Why would a spark plug blow out its hole?

most likely cause is damaged threads on the head or plug the plug was not tightened to proper torque spec either too loose or too tight


Why would 98 jeep wrangler blow a freeze plug in the summer?

Most likely reason is that it is rusted out. Improper coolant to water ratio can help freeze plugs rust from the inside, and wet weather will help it along on the outside.


1994 Chevy 1500 4 3 L water leak on passenger side is the freeze plug and if so how do you get to it?

It could be a freeze plug but it also is not uncommon for the intake manifold gasket to blow out and allow engine coolant to leak out.


What would cause the engine on a 1995 neon to blow a spark plug out of the cylinder?

Check the threads for the spark plug, Im betting it was either crossthreaded or not tightened enough and worked itself out.


What would cause water to pour out of the engine block of a 1994 cadillac deville?

My first diagnosis would be a blown freeze plug, check that and you may find your problem.


If you need a freeze plug can your car run hot?

I think you would know if you needed a freeze out plug for you would be losing coolant & losing coolant would make your ride run hot.


Can a bad freeze plug cause water in oil?

Yes, a bad freeze plug can potentially allow coolant to leak into the engine and mix with the oil, causing water contamination in the oil. It is important to address freeze plug issues promptly to prevent further damage to the engine.