Originally Posted by Zndrson
I'll be taking her to a shop for a once over shortly. Ran a little hot on the highway back home: ~210 at higher RPMs. Once we got off the highway she chilled out to around 190 or so.
clean out the fins on the radiator and check the fan clutch... 210 and you shouldve heard a fan roaring over that diesel engine.. you likely have a Viscous fan clutch..
it has a little metal coil in the front of the clutch.. that gets caked with dirt.. its about an inch in diamter in the center of the front of that clutch..
old toothbrush and some dawn liquid with water.. clean all the grease and dirt off that little coil... clean the toothbrush, dry it and spray the brush with PB-blaster lubricator or WD-40. run that across that little coil a few times to get it nice N oily... then drive.. see if the fan comes in or if it still gets hot... 8 times out of 10 that fixes it... otherwise replace the fan clutch and turn its temperature down a few because of IHC crappy 1/2 n 1/2 design of rad and turbo cooler.. (borg warner are adjustable)
after I replaced and adjusted the one on my DT-360, 185 maxx on the hottest days and then i hear that fan come on like a semi truck!! runs for a minute then shuts off when my temp goes to 180..
it was 95 and humid out yesterday when I had the bus running around and heard my fan run a lot!
a Cool DT is a happy DT