I can't stress this enough - DO THE BYPASS!!! If you do the bypass then you won't have to worry about the rad/tranny problem. There are a lot of how to's on this forum, it is very easy to do.
Well I thought it would be a good time for an update on my timing chain tensioner. I took it in to be repaired and 10 days later I got it back just to find out that they botched the job. According to them when they replaced the tensioner and started the truck it jumped time and bent 6 of my valves. ...
Yes, I think it is normal. From what I have read this is coming from the heat shields and the cat converter as they are very hot. I have had a few different cars that have done this, not just Nissans