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Removing the viscous fan on 1999 F-150 5.4

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Old 09-25-2010, 09:19 PM
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dkk
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Removing the viscous fan on 1999 F-150 5.4

I am in the process of installing an electric fan kit from Troyer Performance, and picked up the five piece fan removing tools from Auto Zone, but only the piece that goes over the water pump pulley bolts fits. None of them fit the fan itself. What size is that, and where can I find the right wrench to break it loose. Also, how much force does it take to break it loose? I'd imagine quite a bit, and the factory may have even used Locktite on the installation. Appreciate any advice I can get. Can't wait to get the installation done, along with the BBK 75 mm throttle body (already on) and the Airforce 1 intake system. Troyer was able to get me one from the MFGR in California, even though it was discontinued a while back. Plus I had their Magnaflow installed. Great exhaust, noticed improved throttle response right away, and it sounds great. Thanks!

don
 
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Old 09-27-2010, 12:31 AM
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If you don't have a complete selection of combination wrenches up to 2" you can use a BIG adjustable wrench. You put the wrench on the nut and wack the heck out of it with a 3lb maul. You may have to hit it several times to get it to break loose. You can also have someone put a breaker bar into the serpentine belt tensioner and have them apply extra tension as you hit the wrench. This helps keep the pulley from turning as you wack the wrench.
 
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