Not at 3/4 all the time, when starting up at bottom and then raises up as driving. Pegs out at 3/4 then will drop back down to about the middle and fluxate between the middle to 3/4 through drive, currently mostly hwy driving pretty flat. Biggest concern is I have blown a head gasket in the past and don't want that pain to happen again. Not sure on brand of head gaskets, had it shop repaired.
I though I read somewhere to see if the fan was working through on the AC. I did that and the fan would kick on for a short amount of time and then kick off. When the fan would kick on I would hear a distinct buzzing noise but believe that is AC related. That being said I believe the fan is working ok, is there another fan?