Originally Posted by GP007

So new developments in my saga. After pulling off both valve covers and looking at the top of the timing chain it appeared that there wasn't any slack in the chain. After a full oil change and adding the full oil capacity it seems like the ticking noise has gone away even though i'm still showing fault codes P0345 and P0340 Camshaft Position Sensor "A" Circuit Bank 2 and 1 respectively). The noise now appears to be coming from the area of the serpentine belt and it's more of the ticking noise I was hearing before and it's again loud like a diesel. I'm thinking of replacing the sensors and seeing if that takes away the codes. Also for what it's worth, the interior lights seem to be slightly flickering during idle. Granted it may have been the beer I drank too...

Originally Posted by newa6er

After cleaning my engine and putting the carrier into service position, I traced leak. It not the crank shaft seal, it is originating from under the intake manifold and flowing forward down in the front of the motor behind the crank pulley. Second picture is after I pulled the intake manifold, showing the leak is either the front seal of the oil filter housing or the valley cover is leak from below which does not make sense, however, there are oil check valves below the valley cover which could be causing the leak.

Winner winner chicken dinner, the base of the oil filter housing. I wiped it clean and 5 mins later oil build up, not coming from above, so the seal is probably bad. The question is do the valley check valves have anything to do with the leak, as in causing extra pressure? I do not want to remove the intake again.

Originally Posted by ClassicA6

How much did that cost you? My 4.2 is also leaking oil...