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Well mine gets better than the hemit that I had lol

Unless parts have been left where they are exposed to crap they shouldn't be exposed to . And if it was one fan I would be with awesomeness but I know of at least 4 that have failed. The new clutch design doesn't have rubber and is directly bolted on So what does that tell you

And your absolutely wrong they sure as hell don't fix things until people start dying. The 939 is a example And I can't swear but I bet several injuries to the drive shaft problems

So I guess they found a way to age the rubber to see if it would fail after truck sits or heated and cooled for several years And you also have a lot of maybes I for one will remove and bolt every fan I come across because it's no fun leaving a truck where it failed. It's almost like you...

Well you know are government they aren't the quickest or the smartest bunch especially if it cost money they can't put in their pockets. But like I said if your so in love with the rubber keep it ! I am not forcing you to remove it.

Correct

Normal bolts no shoulder Like Andy said he had some high grade aircraft bolts from where he used to work on jets laying about.

It got that way from being beaten to death going around and around. It eventually would have come apart and went everywhere. Have hrs and hrs on bolted fans The dumbest engineer got to design this fan with rubber it's useless other than destroying your own truck. Leave it in there since the...

No sir I don't

Yes

Next time it over heats and you don't hear fan running, pull over set brake get out and drain air tanks don't shut it down the fan should come on with no air and cool engine. Raise cab take hose off top of radiator shroud and kink over and zip tie out of any moving parts Good to go until...

You can bolt your old fan to the hub. That's what we've done to everyone we get. There's holes already on both parts that line up exactly. It's great when they come loose and don't destroy their self and everything around them.