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Smokin Dog -> RE: ok is the head cracked or the core out....... (1/24/2008 8:55:34 AM)
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The heater core leaking, would be antifreeze only. it would cause smoke out the vents, and could drip in the floor
or under the hood, depends on where it's located and where
the drain is. It has nothing to do with engine oil in any way
what so ever.
A mix of oil and antifreeze inside the engine block, would
be caused by a crack in the head, a crack in the engine block, or a blown head gasket. To repair this would mean
tareing down the engine and investigating all the parts,
You could install a can of radiator stopleak made by
Solder Seal, it's a silver powder and works great. Install it
in the radiator and top it up with antifreeze and run the
engine for a long while, but be sure the oil is good. You
should change the oil anyway. I've done this and got as much as 5 years good engine time out of it with no problems,
The silver powder goes into the crack and seals it, if it's a
head gasket it wont work as well. AND THIS IS NOT A CORRECT REPAIR, BUT CAN PROVIDE SEVERAL MILES AND YEARS OF SERVICE AT ALMOST NO COST. It could also
seal the heater core for a while. But don't use just any
kind of radiator stop leak, some of it cloggs up all the
works and then you got a problem.
The smoke out the heater vents should be white or like
steam. that would be hot antifreeze.
The smoke out the exhaust........ you didn't say what
color it is.
BLACK would be gasoline or fuel too rich.
WHITE would be antifreeze getting into the engine and
burning, then going out the exhaust. IF antifreeze is in
the engine oil, it's also getting into a cylinder and being
burned when the engine is running.
BLUE would be engine oil burning.
HEAVY THICK WHITE would be automatic transmission fluid burning. This would be a lot of white smoke............ antifreeze burning would almost look like steam and it would
also go away after a short time into the air.
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