This might be a silly question, but I have rebuilt another 3.0, and it still smokes at idle. All new pistons, rings and valve seals. When I pulled apart the old motor it looked like something bounced around the cylinders, previous owner thought it died due to something in the valve train letting go. When I was going through the motor I looked at the PCV and it had no valve in , a straight pipe. My question is I know some motors have a small orifice for the pcv system, does the 3.0 have the same? Is it possible the valve fell apart and get sucked up thru the intake and kill the original motor? The Monty has 166k and does not have a egr either, engine runs strong, just smokes at idle. Thx in advance for the feedback.
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PCV valve question
- Thread starter Montynv
- Start date
PCV operating principal is pretty similar across the cars I'm familiar with, I'd Google it to get the basics down. Without having a properly functioning PCV valve, I believe that means you are constantly drawing a vacuum under the valve covers but I'm not sure whether that would matter, I've never done it. I thought a PCV valve was only supposed to vent when positive pressure built up under the covers. Not sure..........
RESOLVED....It turned out to be the pcv valve. I was able to actually drive around and not leave in a cloud of smoke. It also turns out that the old pcv is what toasted the old motor. I hope it was just a fluke that the pcv crapped out, but I will be more aware of this in the future.