Chevrolet GMC Olds Isuzu Severe Duty Radiator Fan Clutch TRQ RCA91846

Remove this cover, I'm gonna use an 8-millimeter socket. Loosen that bolt up, and slide the cover out. And loosen up this worm clamp. You can use a 8-millimeter socket or a straight blade screwdriver. And the same with this one right here. Use a trim tool, and just separate this retainer right there, or that bracket. Now slide the snorkel off there, and pull it out. Just to gain more access, I'm gonna pull this airbox off. Disconnect the mass air flow sensor. Grab the airbox. Pull it straight up. Then, you can slide it out. There's two tabs. And this holds it in.

I'm gonna take these two bolts out up top. Use a 10-millimeter socket. And there's four push pins, two on this side and two on the other side. I'm gonna use a push pin removal tool or a trim tool. Just remove these. Now take this hose retainer off right here. Just use a trim tool. Slide that up. Slide this hose out right here. This should be, hmmmm. Just move this hose out of your way. Just slide this cover right out.

I'm gonna use a fan clutch tool with the 36-millimeter adapter and just go right here, this setup. Once you get it loose, should be able to spin it off just like that. And pull it out. Take these four bolts out. I'm gonna use a 13-millimeter socket. And just hold the fan up. Just give it a little tap with a hammer. Take the new fan clutch, and put the fan right in position. That looks good. Take the bolts. Get the bolts started. Now, we're gonna torque these bolts to 17-foot-pounds.

Just take the fan, and just line it up. Now if you have a torque wrench and you're able to hold the water pump pulley from spinning, you can torque that to 41-foot-pounds. We don't have that. I'm just gonna use an adjustable wrench and just a hammer. Give it a couple good taps. And that's good. All right. Now take this fan shroud. Hold the hose out of the way. Line it up with some alignment pins right there on both sides. Put these push pins in. Lock 'em down. Do the same on the other side. Put these bolts in. Get those lined up. And tighten these down. And line this retainer up and right there. Put that hose in that position. And slide the airbox back in position. What you want to do is slide this piece. It's gonna go right here. It's gonna slide there. And then push the two push pins straight down. Push down. It's good to go. Reconnect the mass air flow sensor. And put the snorkel back on. Line this up with the throttle body and the airbox. And tighten up the worm clamps. And line this bracket back up. Put the cover on. Slide it in the back. Get the bolt started. Snug it down.

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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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If you were to look right down here, you're gonna see a clamp. If you were to look at the other end where it connects on to the throttle body, you're gonna see another clamp. You'd go ahead and loosen those up. Also, if you come right up here, you're gonna see an 8-millimeter bolt. Look, if you loosen that up, you can take this right out. Once you have that out of the way and the clamps are loosened, you can wiggle this around. I'm gonna draw it off of the throttle body right here and I'm gonna take them right there. Take it off of right here. Remove it from the vehicle. Next we're gonna remove the bolts right up here that hold this in. Let's use our little forky tool here or you can use a screwdriver or whatever you've got. We're gonna lift up on the center of these push tabs here and then you should be able to take it right out of there. That's what it looks like. There's two on this side and two on the passenger side. Remove them all. Have all those out, let's go ahead and get this off of here. The next thing we need to do is get the fan clutch off of here. You wanna do that before you remove your serpentine belt because that's gonna help keep the water pump from spinning. I'm gonna carefully try to put a little bit of penetrant on there, right along the area between the actual clutch itself and the pump. Let that sit for a second. We're gonna need to use a 36-millimeter wrench of some sort.

I have one that goes on my air chisel but if you have a 36-millimeter wrench and a hammer, you could try to give it a couple light bonks and see if you can get it to break free. Once that breaks free, you can go ahead and spin it right off. Just be careful not to let it spin too freely because if it comes off, falls down, it could potentially damage your radiator. Get that right out of there. All right, so we got our fan. Let's put it right on the bench. On the backside you're gonna see four bolts. Go ahead and remove those. So you might notice that the fan clutch doesn't wanna come out of there, just go ahead and give it a nice bonk. There we are. Double-check your fan. Make sure it's in good condition. If there's any issues with it, of course, you'd wanna replace that as well. This one looks good, aside from a little rust, which I'm really not worried about. Let's get that clutch out of the way, bring our new one over. This looks great. Slide this right on over. Line up those bolt holes. All right. Start in all four of your bolts and then we'll bottom them out. Go ahead and torque these to 17 foot-pounds. Now it's gonna be time to get the fan clutch on to the water pump. Don't use any threadlocker or anything like that. You don't need to use any threadlocker and you don't wanna use any Never-Seez. Just go ahead and go metal-on-metal. Turn this clockwise until it bottoms out. Okay. So that's pretty much it.

Now, at this point, what I like to do is just give it a couple taps to tighten it. You don't wanna continue tightening it to the point that it's gonna be over-tightened because you do, of course, need to get this off again someday. If you were gonna torque it down, you would torque it to 41 foot-pounds. And that's it. Let's go ahead and get our fan shroud back on here. Go ahead and lift up on that upper hose. Slide it down in. There we are. This looks good. We're gonna line up down here. You're gonna see, I have a little piton and a hole. Line that up. It should sit right in. Do the same on the other side. There we are. So now we're gonna take our push clips. Make sure that the center is pulled up. If it's pushed in, that means it's in the locked position. Go ahead and slide it in. Lock it in. Do the same to the other one. And then come right up top up here and start in your bolt. Now we'll do the same to the other side and then we'll snug this up. We'll get our intake back on here. It's gonna go right underneath this hose here. Line it up there. Grab this. Slide it in. Push it all the way in so it's up against the whole throttle body. Make sure your clamps are nice and tight. Your hose over here should have a little clippy-do. Ours is actually broken but it's gonna push in right there and that'll hold it secure. This cover back on here, just slide it all the way back so it's sitting inside the pitons. Put this down and tighten up your bolt.