pcv

Hi I need to change out both rear and front PCV elbows and grommets. Can anyone shed any light on whether they are both the same or not as there’s a lot of conflicting info out there. I hear that the rear is different (smaller internal dia hole) and also grommet internal dia differs...

My '02 TJ 4.0L CCV (PCV) system is more than due for a refresh. I'll be replacing both the well aged restrictor and open elbows, the ancient rubber grommets, and maybe even the expensive fragile hard plastic line and associated hoses going to the manifold.. I'm less concerned about price than I...