Heli0z Posted September 18, 2018 Share Posted September 18, 2018 New to me truck so no experience with this engine or a fan clutch with no air going to it. The fan seems like its spinning hard all the time. When the engine is off I can easily turn the fan over by hand with moderate resistance does not spin freely. The fan clutch looks like a thermostat operated unit, no air or sensors. Should I be able to turn this over by hand when off and cold? Any help would be appreciated! Quote Link to comment Share on other sites More sharing options...
j hancock Posted September 19, 2018 Share Posted September 19, 2018 What brand is the fan clutch? Does the truck have or had air conditioning? Quote JimIt doesn't cost anything to pay attention. Link to comment Share on other sites More sharing options...
Heli0z Posted September 20, 2018 Author Share Posted September 20, 2018 It does not have A/C unfortunately, I called up the local diesel parts and gave them the vin. They said they have a few in stock rep on the phone was very knowledgeable mentioned that when they go bad theyre usually very hard to turn or locked up. I think I might go ahead and run the truck for a few weeks and see if I see the temp climb, if so I'll go ahead and swap one on. The price was surprisingly low $170. Quote Link to comment Share on other sites More sharing options...
Jamkar Posted September 20, 2018 Share Posted September 20, 2018 Sounds like a viscous fan to me, the A/C pressure (if it had it) won't control it. 1 Quote Link to comment Share on other sites More sharing options...
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