I drive 2015 Ram 2500 CTD. When the egnine is hot, like towing a trailer or towing uphill, i hear that whining sound. Is that the turbo? When the engine is cold like it i just started to drive in t...
Its probably the fan clutch. I have a 2017 cummins now but in my 2003 cummins I had my fan clutch went out and when I got a new one the first time i pulled my trailer up a grade it kicked on and I could hear it. I dont think they run when not pulling.