Evans Ward
Love those LC2/ Y56 cars!
- Joined
- May 24, 2001
- Messages
- 2,060
Need the basics and 101 course on how the TR PCV valve works. I do know it's a check valve and that it only flows in one direction. I discovered mine was flowing both directions and noticed quite a bit of oil on the back of the intake. Chasing an oil leak so hoping this was it. I did have a correct NOS TR AC-Delco PCV valve to replace it. Educate me please! Thanks! 
