Head Gaskets and Valve Covers
Pontiac Firebird

Is it possible for a mechanic to tell if the head gasket is blown by simply smelling the engine?

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2011-09-13 02:58:14
2011-09-13 02:58:14

Just look at your engine oil and you can tell, if it looks milky there is water getting into the oil and that's the sign of a blown intake gasket or head gasket.

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Yes , engine coolant can get in an engine cylinder from a bad head gasket , a warped or cracked cylinder head , a bad intake manifold gasket etc. ( P.S. I'm not a mechanic / technician )


If you are referring to a head gasket the symptoms of a blown head gasket are.Engine overheatingLoss of coolant with no apparent leakEngine oil level overfullWhite sweet smelling smoke from the exhaust especially at startupPossible engine missA white or grey substance on the underside of the oil fill cap


Yes, that is possible. But, know that if you have a blown head gasket you will do serious engine damage if you continue to drive the vehicle. You need to have this looked at by a trusted mechanic. Do not continue to drive the vehicle.


Yes, that is possible. A blown head gasket will destroy the engine.


It can be and it can be something else. A good professional mechanic can diagnose the cause.


It is possible for engine oil to float on engine coolant. This occurs when there is a leaking or blown gasket.


not sure of the cost. I doubt the mechanic broke the headgasket. More than likely when the radiator and water pump went bad the engine overheated enough to ruin the headgasket.


No. Driving the car with a blown head gasket will cause the motor to fail completely. Get the car towed to a mechanic as soon as possible.


Take it to a mechanic nobody can tell you how to replace a head gasket over answers.com it requires someone who knows how to rebuild engines when a head gasket blows it requires the engine to be disassembled and rebuilt.


with some year, make, and models, and someone dumb enough, yes it is very 'probable'



I just had my intake gasket changed on my 99 Monte Carlo for the same thing. My cousin is a mechanic and has changed the same gasket on several cars with the 3.1 engine. The gasket is about $60 - $75 plus labor.


The four cylinder Fiero engine has a bad problem with cracking the cylinder head. If the gasket is bad it is likely the head will need an expensive repair. If the car has the V6 engine it is possible to just replace the gasket The real question is how good was the engine before the gasket failed? Should it be rebuilt or was it not burning oil and in good condition before the failure. Did the gasket failure cause any damage to the engine?


Gasket between engine block and cylinder head


If the engine is run while the gasket is blown, the engine will overheat and eventually blow or seize up. If the gasket blew and engine was soon after turned off, there may be no further damage to the engine. Replacement of the gasket can get this engine in working condition.


Well i just replaced a head gasket on an old d4 today and it took about 4 hours if that helps depends on how much your mechanic charges an hour...


Why change the engine ? A head gasket replacement with a head skim should cure this problem & would be a lot cheaper than a engine change best wishes


Answera '''valve cover gasket''' is not a $600.00 job it takes about 30mins tops. you could do that your self and save the cash. the valve cover is that piece that is on top of the engine, in some vehicles is the piece that has the "hole" from where you put oil in to the engine. 6 bolts tops.now, if he meant a '''head gasket'' then yes it could be $600.00 or more.On my 93 rodeo I had the valve cover gasket changed and it cost me $500.00. It was the labor that costs so much. The mechanic had to take a lot of stuff off that was around the gasket cover to get to and remove the cover. You may want to ask your mechanic how much of that $600 is labor costs.


If you get a new engine it will have a new head gasket


I do believe that's a rebadged Mazda Demio - Z development of their B engine - ask a Mazda mechanic.


possible bad valve guides or blown head gasket possible bad valve guides or blown headgasket


White smoke. Means water/coolant in your engine. Most likely you blew the head gasket, if you smell oil and see white smoke.


It is either an intake gasket, or head gasket most likely...bring it in to a mechanic.


Immediately stop and do not drive the car any longer. Have it towed to your local mechanic and find out why it overheated. Overheating will destroy an engine and one cause is a blown head gasket. Even if you add coolant and can drive the car you should not. If the head gasket is blown, running the engine with coolant mixed with the oil will do serious damage.


Plugs, plug wires, burnt valve, craked head, blown head gasket, intake manifold gasket leak, are possible.



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