Let me first admit that I am not familiar with auto mechanics lingo so
I will express the problem(s) I am having the best that I can.

I have a 1995 Sonata, 6 Cylinder. I have had it about a year. It was a
gift from a family member whom had the car about 2 years. It has had
an oil leak since my sister first bought it stemming from the main
seal which we have been told would be cheaper to replace the motor
than to fix that problem. I had an oil change for the first time since
I have had the car(yes, I know I am bad) and now there is some clear
fluid mixed with a small amount of dark substance( I am guessing maybe
oil...?) leaking from the muffler and it is smoking from there as
well, worse than it originally had before the oil change. I am looking
for any advice as to what the problem may be. Thanks in advance.

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Replacing the rear main seal is a labor intensive repair, but I can't
fathom it would cost more than replacing the engine.

Check your oil level to be sure it's not overfilled. This can cause the
smoking you describe. The clear fluid and dark substance may be water and
carbon, which would be normal. The V6 engine in this car is known for
having valve stem seal leakage issues, and for sometimes dropping a valve
guide, allowing oil to enter the combustion chamber and resulting in smoke
from exhaust, particularly on initial startup or when idling for a
significant period of time.

None of these things will be cheap to repair (unless your oil is
overfilled) and may well approach or be more than the value of the
vehicle.

 

"hyundaitech2" wrote:
> Replacing the rear main seal is a labor intensive repair, but
> I can't
> fathom it would cost more than replacing the engine.
>
> Check your oil level to be sure it's not overfilled. This can
> cause the
> smoking you describe. The clear fluid and dark substance may
> be water and
> carbon, which would be normal. The V6 engine in this car is
> known for
> having valve stem seal leakage issues, and for sometimes
> dropping a valve
> guide, allowing oil to enter the combustion chamber and
> resulting in smoke
> from exhaust, particularly on initial startup or when idling
> for a
> significant period of time.
>
> None of these things will be cheap to repair (unless your oil
> is
> overfilled) and may well approach or be more than the value of
> the
> vehicle.

Thank you so much for the quick response I appreciate your advice and
such. Thanks again!

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