Question about 1999 Ford Explorer

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

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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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* 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.
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* 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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SPECIAL SERVICE TOOL(S) REQUIRED Description Tool Number Fan Clutch Holding Tool T84T-6312-C Fan Clutch Nut Wrench T93T-6312-B
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