Replacing the Camshaft Position Sensor on the '08

I noted in a previous video ( • But wait! There's more... ) that the camshaft position sensor on my #Astra was cracked. In this video, I replace it. #diy #saturn #astra

[@YeOleBorther]

I was going to comment on how tricky those orings can be to get to seal properly, I worked in a factory that made air intake manifolds and throttle body assemblys for Chrysler and the seals around the tmap sensor were notorious for rej. due to operator error while installing the tmap wrong and the seal was pinched. Keep an eye in that area for a little bit to ensure yours didn't pinch 👍 looks like you handled it well from our angle

[@TomatoJoe11]

Any idea which censor is A and which censor is B?

[@JamesDvorak]

If you are talking about a typical modern car with a transverse engine with dual cams, sensor A is *typically* the intake cam sensor and B is the exhaust cam sensor.

[@TomatoJoe11]

@@JamesDvorak I meant which sensor on the engine is the exhaust? Front or back? I went ahead and replaced the front one (which I presume is the exhaust) to turn off error code P0365, but that switched on error code P0017. Both codes mention the exhaust camshaft position censor. Any ideas? Thanks for making this video and responding :)

[@JamesDvorak]

Just curious... Are you working on an Astra? Anyway, the exhaust sensor typically matches the side the exhaust manifold is on, usually "front" on a transverse engine. Your new code is a correlation code I think (cam and crank aren't rotating in sync according to the computer). That could mean that your new sensor is bad (it happens more than you think), the crank sensor is misreporting, or you.may need a timing set (chain and tensioner). If you know someone with a pico scope or other kind of oscilloscope they can probably check that for you. Hope that gives you some direction.

[@JamesDvorak]

Or could be defective VVT actuator if u have a variable valve timing engine.

[@TomatoJoe11]

@@JamesDvorak Yup! A 2008 Saturn Astra! I was thinking that the new sensor just needed a moment to sync, I turned off the code and am waiting to see if it comes back on or if this is one of the things that just sorts itself out. However, if it is a bad sensor, then at $16, I won't really sweat buying a new one. I've not driven it far since the code came on, just short trips around the neighborhood.