the big nut from the water pump to the fan which way to remove clock wise or counter and how do i hold the pully in the water pump so it does not turn on me


Asked by cssr31 Mar 17, 2013 at 11:57 AM about the 2005 Dodge Durango Adventurer

Question type: Maintenance & Repair

2005 durango 4.7L

4 Answers


Look downward behind the fan and you'll see a large nut (about 1 7/16") attaching the fan clutch to the water pump pulley. You have to turn this bolt counter clockwise while keeping the water pump pulley from turning. There are 3 possible ways to do this. 1) Press down hard on the serpentine belt and hope it keeps the pulley from rotating with the nut. 2) Take of the serpentine belt and use a strap wrench to hold the pulley. 3) Make your own tool taking advantage of the holes drilled in the water pump pulley to hold it in place. Once that nut is broken loose, DON'T REMOVE it yet. There are four bolts to remove on the fan shroud. Two on the top and two underneath. Take all four out, pop the shroud out from the radiator, and move it over the fan. Now take the fan clutch nut the rest of the way off and lift out the fan, clutch, and shroud together."

15 out of 15 people think this is helpful.

And this " I was able to get the fan clutch off using a 6" C-clamp on the water pump pulley and a 10" pipe wrench with the help of a cheater bar (metal pipe) for leverage on the pipe wrench. Crank the C-Clamp on as tight as possible on the water pump pulley but out of the way of the nut so you can lock the pipe wrench onto the nut. Use the pipe wrench and cheater bar to loosen the large fan nut. The pully (and C-clamp) will rotate initially until the C-clamp jams up against the engine block."

13 out of 13 people think this is helpful.

I just replaced mine last night without removing the belt or the shroud. I was able to get a vice grip tight enough to hold the pulley, but not tight enough to deny or damage the pulley. I placed this on the right side as you look down from the front of the truck. The vice grip straddled over the belt and did not grab it. I have a large crescent wrench that fit on the nut. It moved fairly easily. I also loosened the fan bolts before fully removing the entire assembly with some careful maneuvering. The replacement cluctch is designed with a shorter mounting nut, so getting it back in after reapplying the fan was a lot easier. I will replace the belt today.


I just realized the car in question is a Dodge Durango. I was replacing the clutch on a 1997 Dodge Ram 1500. I imagine it is similar,.

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