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How to Replace Radiator Fan Clutch 96-99 GMC K1500

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How to Replace Radiator Fan Clutch 96-99 GMC K1500

Created on: 2017-03-30

This video shows you how to replace the radiator fan clutch on your 96-99 GMC 1500.

  1. step 1 :Removing the Fan Shroud
    • Unclip the wiring retainer from the fan shroud with a flat blade screwdriver
    • Pull the wiring off the fan shroud and set it aside
    • Remove the seven 10mm bolts from the fan shroud
    • Lift the fan shroud up and out
  2. step 2 :Removing the Fan Clutch
    • Attach an adjustable nut to the fan clutch nut
    • Tap the wrench with a hammer to loosen the nut
    • Attach a 3/8 inch drive ratchet to the serpentine belt tensioner
    • Turn the tensioner as far clockwise as possible
    • Tap the adjustable wrench with the hammer again
    • Remove the ratchet and the adjustable wrench
    • Spin off the fan clutch
  3. step 3 :Separating the Fan from the Clutch
    • Remove the four 13mm bolts that hold the fan to the clutch
    • Knock the fan off the clutch by hand
  4. step 4 :Attaching the Fan to the Clutch
    • Line up the fan and clutch
    • Fasten the four 13mm bolts that hold the fan to the clutch
  5. step 5 :Installing the Fan Clutch
    • Start the fan clutch nut onto the pulley by hand
    • Attach an adjustable nut to the fan clutch nut
    • Tap the wrench with a hammer to tighten the nut
  6. step 6 :Installing the Fan Shroud
    • Line up the fan shroud
    • Fasten the seven10mm bolts into the fan shroud
    • Place the wiring on top of the fan shroud
    • Clip the wiring to the fan shroud

Tools needed for replacement

  • General Tools

    Hammer

  • Pliers, Cutters & misc Wrenches

    Adjustable Wrench

  • Ratchets & Related

    3/8 Inch Drive Ratchet

  • Screwdrivers & Related

    Flat Blade Screwdriver

  • Sockets - Metric

    13mm Socket

    10mm Socket

Installation Video
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Hi, I'm Mike from 1A Auto. We've been selling auto parts for over 30 years. We're dedicated to delivering quality auto parts, expert customer service, fast and free shipping, all backed by our 100% satisfaction guarantee. Visit us at 1AAuto.com, your trusted source for quality auto parts.

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.

Thanks for watching. Visit us at 1AAuto.com for quality auto parts, fast and free shipping, and the best customer service in the industry.

Tools needed for replacement:

    General Tools

  • Hammer

  • Pliers, Cutters & misc Wrenches

  • Adjustable Wrench

  • Ratchets & Related

  • 3/8 Inch Drive Ratchet

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 13mm Socket
  • 10mm Socket

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