I have a 98 s10 ZR2 there's thin white smoke coming from the oil dip stick port. Any ideas?

Sully Dameron

Asked by Jul 25, 2014 at 09:19 PM about the 1998 Chevrolet S-10 2 Dr ZR2 4WD Extended Cab SB

Question type: Maintenance & Repair

5 Answers

Tom Demyan

It's normal for oil to do that in all cars. The older the oil gets, the easier it heats up and when it heats up it smokes. The smoke you see is combustion gases that "blowby" the piston rings and valve seals in an engine. A small amount is good, a lot is bad.

1 out of 1 people think this is helpful.
Sully Dameron

It's getting heavier but oil is holding up. I'm thinking it could be pvc?

Tom Demyan

I was thinking the same, replace the PCV valve and see if it clears up. Cheap insurance.

Sully Dameron

Just replaced the pvc made the smoke thiner and now looks normal

Tom Demyan


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