I have a 92 GMC Yukon that after it warms up, it blows out 1-2 qts of oil from the

[Rincon40]

filler cap. And then smokes I had the transmission fluid replaced 4 months ago. Now the same thing happend and made a mess of the undercarriage.
What could be the problem.?

 

[gadishoshani]

change oil

 

[Rij]

take it to a work shop

 

[digs_harleys]

Check the PCV valve it is probably stopped up

 

[SteveC]

Check the PCV valve it is probably stopped up

+1 on this

 

[poncho62]

filler cap. And then smokes I had the transmission fluid replaced 4 months ago. Now the same thing happend and made a mess of the undercarriage.
What could be the problem.?

Is the oil coming from the engine or the transmission?

Sorry...just realized this thread is 6 years old......guess he has it fixed by now