Need some help!! Knocking/Ticking going on.

UTAMAV

Wow....thanks for the response guys! To answer a few questions: 1. Yes it is a 7AT, and I hope to hell it isn't my flywheel. 2. I will install the test pipes from Motordyne on Friday and will post information about any recurrent banging/ticking. 3. The noise that I am concerned about isn't so much ticking....the ticking is there but I've been told that's normal. The noise that scares me is like a low pitched banging noise that is in synch with the engine RPM. NOW....for the real weird stuff:

I went to the dealership, Don Davis Nissan, and told them my oil level was low...and I mean LOOOOOWWWW. The oil was hitting the "L" on the dipstick. They took my car back, and the first thing they asked when I popped the hood was "Who did all your aftermarket work?" (My trust went out the window at this point). So they take my car back and are all acting kind of strange when I tell them, there is practically 1-2 liters of oil in the engine....call me back after 3 hours, say they cannot duplicate the noise any longer. I come up to the dealership, they tell me my oil level is fine....they show me the dipstick....and the oil level is miraculously hitting the "H" on the dipstick (the car is cold). All of a sudden the knocking is much less obvious. I think they fouled up my last oil change and tried to cover their arse. Do any of you think I'm right or am I being paranoid?

As far as the ester oil.....I let the dealership do the oil changes, and from what I under stand they are using Mobil 1 5w30 full synthetic....if I understand correctly, that is a full ester based engine oil. Am I correct or wrong? (I don't REALLY know) My mechanic, Dan, told me he suggested Motul 8100 X-Max or Motul V300...I have done some research on these oils and I understand them to be great oils. Should I dump the dealership on the oil changes and let my mechanic do it with Motul (yes I know, I should just do it myself, but I am in Anesthesia residency and have kids) My time is spent driving

Thanks for all your guys' input...read what I have here and give me some feed back. I'll keep you all updated on what happens after the test pipe install. (I hope I'll see more power...I should right?)

Thanks guys, seriously

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