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A cracked head.

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Q: What other than blown head gasket can cause radiator bubbles?
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What causes the raditor the bubble up not the head gasket?

Overheating can cause this. Air bubbles escaping from the radiator is caused by a blown head gasket.


Can a blown head gasket cause a radiator to explode?

Most definitely. A blown head gasket can cause the temperature to rise and put back pressure into the radiator, therefore possibly causing the radiator hoses to blow, or even bursting the radiator.


Is there a main cause why my car over heats and my heater blows out cold air?

Yes blown head gasket. Does your radiator require topping up? Also another indication is that there are bubbles in the radiator. Remove plugs and check for condensation on the plug tips. This is a sure fire sign. Yes blown head gasket. Does your radiator require topping up? Also another indication is that there are bubbles in the radiator. Remove plugs and check for condensation on the plug tips. This is a sure fire sign.


What would cause air to get into the radiator of my 2003 Chevy venture?

Blown head gasket.


What would be the cause of water draining in the radiator without a leak?

blown head gasket


What would cause Engine oil have lumps in it?

probably a blown head gasket if the oil looks milky or has bubbles in it


Why is there oil in your peugeot 306 radiator bottle?

If there is oil in the radiator top up bottle the most likely cause is that your head gasket has blown and the oil is leaking back into the cooling system. A couple of checks you can do is 1. remove the oil filler cap and look inside the top of the engine and look at the filler cap if there is a grey residue (emulsified oil) then your head gasket has most likely blown also you can remove the radiator filler cap and start the engine, if there are any bubbles coming up in the radiator bottle this is also a pretty sure sign that hte haed gasket has blown. Not a cheap job to repair. Hope this helps. If there is oil in the radiator top up bottle the most likely cause is that your head gasket has blown and the oil is leaking back into the cooling system. A couple of checks you can do is 1. remove the oil filler cap and look inside the top of the engine and look at the filler cap if there is a grey residue (emulsified oil) then your head gasket has most likely blown also you can remove the radiator filler cap and start the engine, if there are any bubbles coming up in the radiator bottle this is also a pretty sure sign that the head gasket has blown. Not a cheap job to repair. Hope this helps.


Your 2000 S-10 is overheating . Could a blown intake gasket cause this problem?

I don't think a blown intake gasket would cause it to overheat, Most causes of overheating are: thermostat stuck in closed position; faulty water pump; broken fan blades; loose belt; clogged radiator; radiator cap not holding pressure; blown head gasket; low or no coolant; leaking hoses.


Could a blown head gasket cause air to enter the cooling system?

I have a 1990 Mustang 5.0. I know for a fact the head gasket is blown. Every time I open the radiator there is a release of pressure. So my answer is yes.


What causes water in the exhuast?

There are basically 2 causes. One cause is condensation which is normal. This is the hot exhaust hitting the cold parts causing water to accumulate. It goes away after the system warms up. The other cause is a blown head gasket which is very serious. If the water smells and taste sweet, it is coolant and you have a blown head gasket. Stop driving the car immediately and have it repaired. Other signs of a blown head gasket are coolant in the oil, air bubbles coming from the radiator inlet with the cap off.


What could cause 4.6northstar engine to overheat even after changing the water pump thermostat radiator cap?

You have a blown head gasket.


Will a blown head gasket cause erratic idle?

I blown head gasket can cause an engine miss which one cause a rough idle.