Forum Discussion
Tystevens
Jul 23, 2015Explorer
ScottG wrote:
It really isn't that hot. The cooling fan probably doesn't even come on until somewhere around 226.
Yep, at least on the Duramax, the temps will creep up until that aux fan kicks on, and all temp increases will stop and start to come back down immediately. It sounds like an airplane taking off, so you'll know when it kicks on!
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