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cracked cylinder head

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Q: A technician is performing a cylinder leakage test on an engine The technician sees air bubbles in the radiator with the cap off Which one is the most likely cause?
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Related questions

A technician is preforming a cylinder leakage test on an engine The technician sees air bubbles in the radiator with the cap off what does that mean?

Headgasket or head failure.


If there are tiny bubbles coming out from your radiator when radiator cap is open and have oil leak problem coming from valve gasket are they related?

no, they are not related. tiny bubbles that make the radiator "foam up" is the result of exhaust gas leaking into the radiator. causes are blown head gasket, cracked cylinder head or cracked block. hth


Engine oil entered in radiator and air bubbles comes out through radiator when engine is running?

You most likely have a blown headgasket.


What other than blown head gasket can cause radiator bubbles?

A cracked head.


How do you get the air out of the radiator system on 95 Geo metro 4 cylinder?

All I do is remove the radiator cap (wait until car is cold and open cap slowly) and start the car. let it warm up. the thermostat will open and begin fully circulting the coolant. if there is any air bubbles in the system they should work theirselves out. another thing to do after the thermostat opens is slowly squeeze on the lower radiator hose, careful not to spew coolant out of the radiator.


What are the symptoms of a failing head gasket for a 1995 Chrysler Cirrus?

Coolant in the oil, low compression on the cylinder where the gasket is blown, air bubbles in the radiator, sweet smell at the tailpipe, white smoke at the tailpipe, especially at startup, & loosing coolant with no apparent leak.


How do you get air bubbles out of your radiator?

Let it settle. You maybe fooled about the bubbles if your are checking it while the fluid is hot. At rest with the engine cooled down, there wouldn't be any bubbles. Check the coolant level when engine is cooled off and not running.


What is the indication if your radiator coolant shows bubbles in compression?

Indicates a bad head gasket or a cracked head.


How can you tell if the head gaskets are blown on a 2000 Mustang V6 3-8 L?

Engine overheating, cylinder miss, loss of coolant with no apparent leak, white smoke from the exhaust especially at startup, oil level overfull, a white foamy substance on the underside of the oil fill cap, and bubbles escaping from the radiator, engine running, radiator cap off.


How can you tell if you got a bad head gasket?

White smoke (steam) coming out the exhaust that has a sweet smell to it.You are always adding coolant to the reservoir but never see a leak. Constant air bubbles coming out if the radiator coolant when engine is running and radiator cap is off. Engine overheats for no apparent reason. A compression test will determine which cylinder/head has the problem.


What gas forms at a positive lead?

When performing the electrolysis of water, oxygen gas forms bubbles at the positive lead.


How do you bleed the air out of a 2 liter Honda Accord v reg cooling system?

Remove the radiator cap on a cold engine. Turn the heater to hot. Make sure the radiator is full. Start the engine and watch for air bubbles escaping from the radiator. Add coolant to keep it full. When you see no more air bubbles all air has been removed.