Question about 1999 Ford Explorer

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Removing clutch fan blade, blade is loose but not coming off.

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  • Ford Master
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There are some special wrenches for removing this part. They can be borrowed from Autozone with a deposit. You need to be able to hold the bearing on one side to get the nut off the other. Then there are 4 bolts.

Most people remove the shroud for more clearance. Apparently the nut can be formidable. Sometimes it has to be soaked in a rust remover and hit with a hammer and chisel to break loose. You may want to buy the replacement part first to check out the threads.

I understand it may be necessary to use a 12" crescent wrench to drive the clutch off the pump. Be careful to protect the radiator with cardboard or some cover in case you launch parts.

Posted on Apr 23, 2010

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Need fan clutch replaced


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Removal of fan clutch on a 1999 Dodge Dakota 3.9 engine.


They make a specil tool to remove it, but you can use a long chisel and hammer to break the fan clutch lose. The chisel has to be long enough so you can reach the latge looking nut that is between the fan clutch and the water pump pulley. Take the top part of the radiator shroud off by removing the two bolts on each side of shroud. Than there is 4 to 6 bolts going across the front of the shroud. Next take the long chisel and catch the edge of the large nut and tap it so the large nut rotates counter clockwise when you hit it with fairly good force. That should break it loose. If not hit it harder. Once it is lose you can turn counter clockwise until it comes off. Remove the the fan blade and install it in the reverse order. Hope this helps. Leave comment.

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Fan blade pretty much exploded while i was driving the other day. Do i need to replace the fan clutch as well? I don't want to buy a new blade and have the same thing happen because the clutch is bad as...


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* Fan operation can be checked by spinning the fan by hand.
* A noticeable wobble or any blade that is not in the same plane as the rest indicates that replacement is in order. The fan can also be checked by removing it and laying it on a flat surface. If it is straight, all the blades should touch the surface. Never attempt to straighten a damaged cooling fan. Bending it back into shape might seem easier (and cheaper) than replacing it, but doing so is risky. Whenever metal is bent, it is weakened.
* Fan clutches use a fluid-filled chamber (usually silicone) to turn the fan. Obviously, loss of the drive fluid will render the fan useless.
* One of the simplest checks is to visually inspect the fan clutch for signs of fluid loss.
* Oily streaks radiating outward from the hub shaft mean fluid has leaked out past the bearing seal.
* Most fan clutches offer a slight amount of resistance if turned by hand when the engine is cold. They offer drag when the engine is hot. If the fan freewheels easily hot or cold, replace the clutch.
* Another check that should be made is to push the tip of a fan blade in and out. Any visible looseness in the shaft bearing means the fan clutch should be replaced.
* Fan blades are balanced at the time of manufacture but can be bent if handled carelessly.
* Likewise, fan clutches are machined very accurately to run true. However, rough handling at the time of pump replacement causes nicks and dents on the mounting faces. This can cause the fan blade to be installed crookedly. Serious trouble might follow soon after the car is back in service.
* Therefore, handle fan clutches and blades with care and be sure to file away any nicks, burrs, or dents someone else might have caused. Obviously, if any fins have been broken off the fan clutch, it must be replaced.

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simple kthe fan turns to tight look at the blades fan loosens the way the moyor spins hey if any trouble let me know vote for me on fixya ok

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INSTUCTIONS FOR REMOVING THE FAN CLUTCH


hello,you a v 8 engine,119 ,remove your fan shroud,you can remove your fan blade with 10 mm spanner , in center of your visco fan,look for allen bolt,screw out ,then big srecw driver,place in visco fan to hold while csrew out the center bolt,ty

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4.9L SFI
SPECIAL SERVICE TOOL(S) REQUIRED Description Tool Number Fan Clutch Holding Tool T84T-6312-C Fan Clutch Nut Wrench T93T-6312-B
Removal
  1. stj~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: The large clutch assembly nut has a right-hand thread and must be rotated counterclockwise to remove it.
    Remove the fan clutch (8A616) from the water pump (8501) by turning the large nut, which is part of the fan clutch, using Fan Clutch Holding Tool T84T-6312-C and Fan Clutch Nut Wrench T93T-6312-B.
  1. Remove two screws retaining fan shroud.
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  1. If the fan blade and fan clutch have to be separated, remove the remaining bolts attaching the fan blade to the fan clutch
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5.0L, 5.8L and 7.5L Engines
Removal
  1. Remove screws retaining fan shroud (8146) to radiator (8005).
  1. Remove four screws retaining clutch on water pump hub.
  1. Pull fan clutch and fan blade off water pump pilot and remove fan clutch, fan blade and shroud from vehicle.
  1. Remove four screws and separate fan clutch from fan blade.
4d17f8c.gif

Item Part Number Description 1 8509 Water Pump Pulley 2 57632-S Screw and Washer Assembly, 5/16-18 x .62 Hex 3 8600 Fan Blade (5.0 and 5.8L) 4 8600 Fan Blade (7.5L) 5 8A616 Fan Clutch 6 380288-S2 Screw and Washer Assembly, 5/16-24 x .88 Hex A — 16-24 Nm (12-18 Lb-Ft)

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