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Anyone? I have all new o rings. No air leaks. Hook the inlet up to the truck and heat up the tip of the actuator. The little bump sticks out of the back but no air comes out of the outlet. What gives? Everything goes together nicely and moves freely. Idk what's going on. Depending on how far I...

So I figured out it's an issue with my shutterstat. I put all new o rings in it. Put it back together and when boiling in a pot of water, you can see the assembly moving but no air comes out of the out port. Ideas?

So I looked at it again after learning more about the location of the fan actuator. I looked where it was and it wasn't even hooked up Haha. Someone ran an air hose from the supply right to the fan clutch. This engaged it I assume because the valve must have not been operating properly. I have...

After reading those, I seem to be more confused. They are saying that they typically need air to engage the fan when I used air to disengage it. But then the nhc250 engine was brought up. So idk which one they are talking about but I need the 8.3 clutch info. The fan was always engaged until I...

I thought I saw Evan's somewhere being the fan hub. I'll take your word for it. Does this fan clutch use air to engage or disengage?

Do you know the fan clutch brand and number off these trucks?

Sounds good. Maybe I'll try to put some oil in and see what happens

So I noticed the fan is always locked in on my m925a2. I saw it wasn't normal. I also noticed the truck had like a knocking sound at idle. Like a metal on metal smacking sound. Took the serpentine belt off and it is quiet as can be. So I investigated further into the clutch as I think it is...