Created on: 2017-03-30
This video shows you how to replace the radiator fan clutch on your 96-99 GMC 1500.
Adjustable Wrench
13mm Socket
Hammer
Flat Blade Screwdriver
10mm Socket
3/8 Inch Drive Ratchet
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In this video, we're going to be working with our 1996 GMC Sierra K1500, 5.7 liter, V8. We're going to show you how to remove and replace your fan clutch, or the actual metal fan on that clutch. The process is going to be the same, regardless of which piece you're changing. If you like this video, please click subscribe, we have a ton more information on this, and many other vehicles, and if you need these parts for your truck, you can follow the link, down in the description, over to 1AAuto.com. Here are the items you'll need for this repair.
Using a small flat blade screwdriver, pop open the wire retainer on the top of your fan shroud, lift the wire off, and it's long enough that you can just lay it back in the engine bay. You can remove it from the battery, and take it out completely, if you'd like to, but this should give you plenty of room to work.
Remove the seven 10 millimeter bolts along the fan shroud. There should be two on the bottom on each side. Ours is missing two bolts, and then three along the top, and the same two bolt locations on this side. We'll remove these with a 10 millimeter socket ratchet and extension. Once the hardware is removed, lift up, and remove the upper fan shroud from the vehicle.
We're going to use an adjustable wrench, because we don't have the right size open-end wrench, but that would work as well. As well as, some pipe wrenches. We're going to place that over the clutch fan nut, and then strike it quickly with a hammer.
Using the drive of a three-eighths ratchet – you could also use a three-eighths breaker bar –, go into the slot on the serpentine belt tensioner, and rotate it as far as we can clockwise, to put some extra tension on the serpentine belt. Then, try hitting the wrench again because this should keep the pulley from turning. Once it's loose, you can remove your ratchet, spin the clutch fan off.
Whether you're changing the fan clutch, or the fan itself, the process to remove and separate these two pieces and reinstall, will be exactly the same. You'll need 13 millimeter socket ratchet, and extension to break the four bolts loose. Once the bolts are out, flip it over, and knock the fan off of the clutch.
Now there's nothing wrong with either of these components, but regardless, you would either install your new clutch onto your old fan, or your new fan onto your old clutch, the same way. Simply, line up the four holes. Reinstall the four,13 millimeter bolts, and tighten them back down with your socket and ratchet.
Reinstall the clutch fan and just snug it up, by tapping it on with a wrench.
Reinstall your upper radiator fan shroud. Reinstall the seven 10 millimeter bolts securing your fan shroud. Tighten them down with the 10 millimeter socket and ratchet. Reinstall the wire along the top of your shroud. Lock it back into place.
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