BETOOLL 8PCS Pneumatic Fan Clutch Wrench, 43300 Fan Clutch Removal Tool Kit, Auto Repair Spanner Kit Installs Fan Clutch Compatible with Ford, GM, Chrysler and Jeep

This kit worked spectacularly well! Took me about three seconds to get the fan clutch off of the water pump. After trying other methods that did not work, a pneumatic hammer and the right wrench took it right off.

Great price and construction. Used this with my hammer and boom! Off the fan clutch goes.

I have a 2004.5 GMC Sierra Duramax. I have a shade tree mechanic that is quite good. We bought a special 1 7/8 inch wrench from O'reilly's for almost $50 to knock the fan clutch nut loose. Autozone had nothing. I watched all sorts of videos of how to stop the water pump from turning. He tried everything he would imagine and none of the special tricks worked. I finally saw a video on this tool and ordered it. I tried to put it in my hand chisel impact gun but it was too big by a couple of thousandths. I took a fiber abrasive wheel on an angle grinder and removed all the paint from the end that goes into the gun and had a perfect fit. I put it on the fan clutch nut and pulled the trigger with nothing to hold the water pump from turning but the serpentine belt. In less than 5 seconds the very stubborn nut was free. I was totally amazed. I saw reviews showing the impact shaft damaged. To me it is well built and I cannot understand how to break it when using it as it is designed to work. I saw one review where the fork end came off. That would not be a problem for a welder with a wire feed to put it back on even stronger. I simply cannot figure out a way to break it using it as it is designed to be used. If not for the paint issue, I would happily give it 10 stars.

First it wouldn't fit into my air hammer, had to buff off the paint because it was too thick. Then I tried for 2 hours trying to loosen the fan with no luck! Ended up using a chisel on the air hammer and had the fan off in 20 seconds!

works well