ok i have an ob1 zc i had to take the old cam angle sensor off my previous zc and put it on. which required to take the cam seal out and replace it with the sensor now i have an oil leak coming from the sensor area. is the cam angle sensor supposed to have an o-ring on it?

 

yes its supposed to have a o-ring on it, you can get a o-ring kit at the auto store..

 

cool thanks it probaly got stuck on the inside of my last motor