A. 2008
B. @31,000 (August, 2017)
C. Replaced with O.E.M..
D. Yes, noise gone.
E. No, I heard the noise at idle when the engine was thoroughly warm. It would cycle louder and quieter with a period of 5-10 seconds.
F. No, there were no related problems.
G. N.A. Did the work myself.
H. No...