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Ever since I got my LMTV, the fan has been running full time. Makes a huge amount of noise, it is unmistakable. Well after troubleshooting the electrical and solenoid end of the system, I came to the conclusion the clutch was stuck in the on position, and I needed to R&R it. To get to it, you have to remove the upper fan shroud. To do this, the charge air cooler lines have to come off. Next the fan comes off with 6 allen head screws. Next, the manual says to "apply air pressure so you can rotate the clutch to get access to the screws that hold it to the harmonic balancer". Well of course the holes were not lined up and what was I to do? Cut it off with a torch? I decided to try to get the clutch free. I turned up the air on my compressor to 180 psi and rigged up a line. After applying pressure, I hit the clutch as shown with a hammer. Well guess what, it popped loose and now is operating just fine. Maybe if this happens to anyone else, you can try to hit the clutch with a long bar and a hammer on the end of it, and save the disassembly.
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