I am uncertain if the fan clutch is engaging when the engine temperature signals the computer to engage the fan or even if the fan will engage when activate manualy.
I noticed dependent on load and grade that the engine temperature
ranges 185 to 205 degrees.
When idling I notice that there is no differnce in air volume from the engine fan when I switch on the manual over ride to engage the clutch.
I had a shop check the operation and they claim that the computer does show the fan is engaging and all is ok.
My concern is that the computer states all ok but really is not engaging.
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Our Horton fan engages at 210-212 degrees and stays on generally until it drops to 185-195. Mostly the only time I hear it kick in is on a substantial hill climb (long 4%-7% grades). I can hear it (but not loudly) when it kicks in. The Cummins tech that installed it five years ago said the engine temp could get to 215 with no harm at all to the engine. By the way, my fan has no way to manually activate it.
Bill
Quote:
Originally Posted by Robert T
I am uncertain if the fan clutch is engaging when the engine temperature signals the computer to engage the fan or even if the fan will engage when activate manualy.
I noticed dependent on load and grade that the engine temperature
ranges 185 to 205 degrees.
Our Horton fan engages at 210-212 degrees and stays on generally until it drops to 185-195. Mostly the only time I hear it kick in is on a substantial hill climb (long 4%-7% grades). I can hear it (but not loudly) when it kicks in. The Cummins tech that installed it five years ago said the engine temp could get to 215 with no harm at all to the engine. By the way, my fan has no way to manually activate it.
Bill
would you happen to have the part number of the one you had installed
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Scott & Diane
our IG's Sydney & Phoebe plus the puppy Chloe
2007 Monaco Diplomat SFT
The Horton model # is 990400. You can go to Horton website and look at catalog for other applications for other Monaco products. If you can help thanks