When I turn on the heat there is a weird smell. I think it goes away after 5 minutes or so... or maybe I get used to it. My wife says its terrible. I don't find it that bad, but it is noticeable. Its not gas. I don't know what it is. What should I look at to find the source of the smell?
I am changing the cabin air filter this week. Could that be it, even if it only happens when I turn on the heat?
I don't think this is related but I recently started hearing a subtle metal noise. Like if a piece of metal was dangling and hitting another piece of metal every now and then. I think its very subtle and most people would not notice it. It doesn't happen continuously. I sorta think ti happens when I accelerate, but I am not sure. Does that give any hints about the smell issue or is it totally unrelated?