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Fan clutch removal

Discussion in 'Under the Hood' started by RockRanger, March 4, 2008.

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    1. RockRanger

      RockRanger Elite Ranger Elite Explorer

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      Any tips to get it off? Got the wrench from auto zone. Bent that one. made my own out of some 3/16" plate with a 3 foot breaker bar on each side no luck. Tried hitting it with an air chissel and still no luck.

      Which way am I suppose to turn it. I tried both ways with no luck.

      93 ranger 4.0
       
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    3. MountaineerGreen

      MountaineerGreen Towing Moderator Moderator Emeritus

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      Do you have a new water pump to verify which way the threads are? That's the only way I could figure some out. It sucks to work and work to only figure out your tightening it up. :banghead:
       
    4. Tbars4

      Tbars4 Offroad/Fitness Moderator Staff Member Moderator Elite Explorer

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      ...i think they are reversed thread...:scratch:
       
    5. Stic-o

      Stic-o Elite Movie Star Elite Explorer

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      X2...

      They should be reverse of the way the engine turns. Maybe my dad will chime in, I know he has been removing them off the 4.0 lately
       
    6. gijoecam

      gijoecam Village Idiot Elite Explorer

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      Not always.



      Look, for the umpteen millionth time around here, whichever way the fan runs when the engine is running is the same way you need to turn the nut to remove it. Otherwise the pulley driving it would have removed itself from the clutch long ago.

      Start the engine. Note which way the fan turns while the engine is running. Turn the nut the same way to remove it. It really is that simple. Doesn't matter what year, make, model, or engine it is.

      -Joe
       
    7. Tbars4

      Tbars4 Offroad/Fitness Moderator Staff Member Moderator Elite Explorer

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      ...hmm, and i thought all the american vehicle 4.0 fans turned the same way...:dunno:
       
    8. RangerX

      RangerX Elite Ranger Staff Member Moderator Elite Explorer

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      Quoting my Haynes manual: "This nut has left-hand threads, and must be turned clockwise for removal."
       
    9. gijoecam

      gijoecam Village Idiot Elite Explorer

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      That may very well be the case. However, I bet if you start your engine and watch the fan, it also turns clockwise. If the spun counterclockwise, but the threads were left-handed, it would constantly be trying to unscrew the pulley from the fan.

      Again, whichever way the fan spins while the engine is running is the way to turn the nut to unscrew the clutch from the pulley.

      -Joe
       
    10. MrShorty

      MrShorty Well-Known Member

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      My 4.0 is normal thread. My 2.9 is reverse thread. In both cases, this is stated on the fan shroud (assuming you still have a fan shroud). It also is the logical direction based on the direction the fan spins with the engine running, as gijoecam suggested.
       
    11. RockRanger

      RockRanger Elite Ranger Elite Explorer

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      Sounds Like I have been going backwards. I hope I can get it off now. That nice 4 ft breaker I was using sure will have it tight now.
       
    12. Dannyboy

      Dannyboy Other Make & Models Mod Staff Member Moderator Elite Explorer

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      My suggestion is to get the loan a tool from Pep boys. It's better than the Autozone one. I think last time I did mine I used the inner tool from pep boys and the outer tool from autozone or something like that and it worked like a charm. It's not the easiest thing to get moving and can be a knuckle buster.
       
    13. Texan01

      Texan01 Active Member

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      Me, I use a big long screwdriver and a small hammer and gently tap it loose. I never could get any of the loan-a-tools to work for me.

      you want to loosen it towards the passenger side.
       
    14. stevenwagner06

      stevenwagner06 New Member

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      it should say which direction to turn it in the engine bay right in front of the fan shroud
       
    15. Exploderpilot

      Exploderpilot Well-Known Member

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      I say swap the whole motor. It's easier.
       
    16. Dannyboy

      Dannyboy Other Make & Models Mod Staff Member Moderator Elite Explorer

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      well I'm in the same boat again. Even though I've done this twice before I'm having major issues removing my fan clutch.

      Anybody know who has a loan-a-tool that looks like this
      [​IMG]

      pep-boys, napa, checker and autozone all have the other style and I cannot get the square part around my 4 bolts
      [​IMG]
       
    17. Maniak

      Maniak Moderator-Stock 91-94 Staff Member Moderator Elite Explorer

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      I haven't seen that style at any place that rents/loans tools. I do know the Powerbuilt set from checkers ($200 loan a tool part) is the best loan/rent set I've found.

      I had to use that one last time (engine was out of the truck already).. If the belt is still on I use the an air hammer and that tool from a snap on truck.. it knocks it of right away...

      ~Mark
       
    18. BrooklynBay

      BrooklynBay Staff Member Moderator Elite Explorer

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    19. SPORTEXP

      SPORTEXP Active Member

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      I use a pair of Vise Grips with the chain or chain grips to hold the pulley. For the 4.0 it's a right handed thread, so turning Counter Clockwise should loosen it.
       

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    20. X~FACTOR

      X~FACTOR Name is Ray Elite Explorer

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      I feel your pain. When I was removing mine to install my electric fan, it took 3 guys, 2 breaker bar to remove it. After everything is said and done, about 4 hours, the clutch and the plastic blade were in pieces! Lots of WD40 help a bit but you gotta soak it.
       
    21. Dannyboy

      Dannyboy Other Make & Models Mod Staff Member Moderator Elite Explorer

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      yeah, that's the kicker, I've done this on my old truck and then on this truck once. Only reason to change it out is to re-install the flex-a-lite fan to see if it puts back some power from the engine since I have a new radiator.

      So for the GREAT news, I went to a NAPA and I found out this store no longer has a loan a tool program. I asked if they had this (not to mention the guy was locking the doors and hollered at me from across the parking lot to see what I needed) and gave me the "y" style tool and said "No deposit, I'm not too worried if I never see this tool again" Tis the season for giving!!!
       
    22. Tony H

      Tony H Well-Known Member

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      Why did they go with this idea. The old 'four nuts' to hold both the pulley and Fan mad more sense for maintenance work.

      I found that smacking the Handle of Wrench with a block of wood worked better the an impact driver.

      I'm trying to get the damned Fan off my daughters '99 Blazer to replace her lower Shroud. I'm sure it has never been off so it's not coming off easily. I think I may have to remove the Belt and go with a Strap Wrench to Hold the Pulley.
       
    23. Cobraguy

      Cobraguy Elite Explorer

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      You can't raise your kids any better than that??? :D
       
    24. bigredbossman

      bigredbossman New Member

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      Having trouble removing the fan clutch from my 1991 explorer 4.0 . Looking for answers !
       
    25. Dannyboy

      Dannyboy Other Make & Models Mod Staff Member Moderator Elite Explorer

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      very likely it's LH thread, get this style tool
      [​IMG]
      and you may need to spin the fan a bit to get a good shot at the best 2 nuts on front of the pulley and the best way to grip the fan clutch. My last one took probably 6-7 attempts at getting mad at it then coming back with more courage.
       
    26. BrooklynBay

      BrooklynBay Staff Member Moderator Elite Explorer

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