Fan clutch annoyances
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Veteran
Joined: Oct 2017
Posts: 389
Likes: 19
From: central Iowa
I remember a TSB about Dodge using a heavy duty fan clutch on those.
and like your driveline deal.... were not talking much money or anything very hard to replace. Just replace it (it aint new any more, we know that) and go with the "heavy duty" one. I don't think you need the "Severe duty version" for that, I put one on a (ugh) Suburban with a 6.0 and you want to talk about ROAR! Right after changing it when I 1st fired it up I couldn't believe all the dust and dirt that went flying, being sucked from the radiator fins..... but that was a 3/4 ton 4wd that used all of its people hauling capacity and pulled a heavy equip trailer too and thru the Mountains of the Rockies too....
(IL DNR Fire brigade, who travels all over helping with these wildfires that have become so popular, these last few years)
On any application I would go better than "entry level" for sure. They do make a huge difference in the warm season! some are thermal activated some are centrifugal-only (these are the cheaper ones)
The thermal versions have a coil spring on the front of them and activate/ deactivate partly on surrounding temp, partly on centrifugal force.
and like your driveline deal.... were not talking much money or anything very hard to replace. Just replace it (it aint new any more, we know that) and go with the "heavy duty" one. I don't think you need the "Severe duty version" for that, I put one on a (ugh) Suburban with a 6.0 and you want to talk about ROAR! Right after changing it when I 1st fired it up I couldn't believe all the dust and dirt that went flying, being sucked from the radiator fins..... but that was a 3/4 ton 4wd that used all of its people hauling capacity and pulled a heavy equip trailer too and thru the Mountains of the Rockies too....
(IL DNR Fire brigade, who travels all over helping with these wildfires that have become so popular, these last few years)
On any application I would go better than "entry level" for sure. They do make a huge difference in the warm season! some are thermal activated some are centrifugal-only (these are the cheaper ones)
The thermal versions have a coil spring on the front of them and activate/ deactivate partly on surrounding temp, partly on centrifugal force.
At any rate I went to the JY and found (ironically) a 1994 Grand Caravan and measured and that fan and shroud combination should fit. OTOH, I also remembered that the Dak with 2.5L used an electric cooling fan and so the shroud and / or whole assembly could be used with the 3.9L too, even if it needed to be fitted with a larger fan assembly. The nice thing is that is factory fit to the same size radiator core as the 3.9L. Or at least that's what the manufacturers are saying.
Steve