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Brought to you by 1AAuto.com, your source for quality replacement parts and the best service on the Internet.
Hi, I'm Mike Green. I'm one of the owners of 1A Auto. I want to help you save time and money repairing or maintaining your vehicle. I'm going to use my 20-plus years experience restoring and repairing cars and trucks like this to show you the correct way to install parts from 1AAuto.com. The right parts installed correctly: that's going to save you time and money. Thank you and enjoy the video.
In this video, we replace the blower motor resistor. The symptoms of one of these going bad is that your fan will work at certain speeds but not at others and it's a pretty easy replacement. The tools you'll need are 8,10, and 11mm sockets with ratchets and extensions. That's all you should need after that the resistor should unplug and you should be able to replace it but as you'll see on our vehicle and probably on a lot of vehicles, they corrode and we ended up using a flat blade screwdriver and pliers to basically ruin the old resistor and break it apart to get it unplugged.
Inside the truck, turn the key on. Now, turn the ventilation on and if you listen really carefully you can hear the fan going. You can hear it go faster. Now, when I go from two to three, you can hear that it doesn't really do anything. When I go to four, obviously, it really winds up. There's nothing from two to three. Actually the first time I got in this, when I turned it on there was actually no fan, one, two and three and then four it started working and the other speeds started working so that was an indicator that my blower resistor was starting to go bad.
First, we're going to unbolt our radiator and washer fluid jar and just move it forward to give ourselves a little extra room back here and it's four bolts: one there, one there, another one on the side and then another one down there. Use a little penetrating oil, coat those two nuts down low/ Those are 11mm and I'm going to speed it up here as we remove those two and then the bolts that are up on the fender, the ones up higher, are 10mm and we'll remove those as well. We're just going to pull this up and push it forward some.
With that bottle out of the way, our resistor is this part right down here. What we're going to want to do is just to give ourselves a little room is we'll disconnect our fan connection here and then you'll see this little rubber, almost a rubber band, take that off, which allows you to pull this tube out and off and then just gives you a more clear shot. You can see there's one screw right there, 8mm, and there's another one on the other side, 8mm. Use an 8mm socket with a ratchet and extension. This far one's the most difficult and I'm sure I'm blocking your view but just get your wrench down there on it. I'm just going to speed up as I go to remove those two 8mm bolts and one tip is to remove them most of the way with a wrench as they start getting easy reach down in there with your fingers and take them out the rest of the way so you don't drop them. Once you get them a certain way out, you can reach in with your fingers, you want to avoid dropping them. Then pull the resistor straight out. Now, obviously, you have to disconnect the resistor from the harness and on this vehicle and probably on most vehicles, they corrode very badly and it makes it very difficult to get the resistor apart. I'm actually just showing you the end here, what you can see is the resistor, it's already broken into a few pieces. You can just see I'm prying it off. I used needle nose pliers and other pliers and basically just broke all the plastic around the resistor. Now you don't want to break the plastic that's part of the wiring harness of the car, you just want to break the plastic around the resistor and then get a screwdriver in there and pry the connection out. You can see here I bring in an even bigger screwdriver, it's just really difficult to get that apart and then I end up really breaking the resistor up and then grabbing some pliers to get the rest of it out. Now with the resistor out, I still have a little piece of the plastic housing that it's plugged into that I broke away and then it's just a matter of actually pulling that off with my hands. Now here just use some more penetrant, spray right into the terminal. It just cleans things out.
The new part from 1A Auto goes right in, plugs in. You can see that's how it should come apart. It goes right down. As you're putting it down and in, you will notice the resistor is shaped a certain way and there are little rectangles on the housing and so the resistor only goes in one way. You get it in and get one of the bolts started. I'll fast forward here as I'm starting those bolts and use my 8mm socket with my ratchet and extension to tighten them up. You want to be careful, don't tighten them up too much you don't want to strip the plastic housing. If you do that then the bolts won't hold the resistor in there very well. When you tighten them up just get them to a firm point where you can start feeling them give some resistance and then that's enough. Push the vent tube into the motor, on there and reconnect our fan motor.
Turn the key on, turn the system on. Test: one, two, three, four. Looks good. Again, we'll go into light speed here as we put the radiator and windshield washer bottle back in. Again, the two bolts that go into the fender are 10mm, the two nuts that are down lower are 11mms. Tighten those up. Again, don't over-tighten them, nice and firm and you should be good.
We hope this video helps you out. Brought to you by www.1AAuto.com, your source for quality replacement parts and the best service on the Internet. Please feel free to call us toll-free, 888-844-3393. We're the company that's here for you on the Internet and in person.
Tools used
Brought to you by 1AAuto.com, your source for quality replacement parts and the best service on the Internet.
Hi, I'm Mike Green. I'm one of the owners of 1A Auto. I want to help you save time and money repairing and maintaining your vehicle. I'm going to use my twenty-plus years experience restoring and repairing cars and trucks like this to show you the correct way to install parts from 1AAuto.com. The right parts, installed correctly that's going to save you time and money. Thank you, and enjoy the video.
In this video, we're going to replace the blower motor resistor in this Explorer. You know if you're having a resistor problem if your fan works , you know, say it works on low, but it doesn't work on two and three, and then it works on high, that's usually a sign that your resistor's gone bad. Or it works on some speeds except for high or low, or something like that.
The tools you'll need are basically the same as for the blower motor. You got to remove the blower motor and then get the resistor.
Okay, so we're looking under the hood here, at the passenger side. And first thing we're going to do is remove this little guy, which I believe is a servo motor for your cruise control. Just a 10mm socket or wrench. Once you get the bolt out, kind of shake it out. Put it right up there for now. Now that you have that aside, you're actually going to want to unbolt your radiator bottle and washer fluid bottle, which means that, first, you have to remove your air box.
So first you just want to undo the clips here on each side. And your air box comes up and slides over, and then you can lift it up and out. I'm just going to kind of move it over here a little bit. Now you can just lift your air cleaner up and out. Okay, and then your air box is actually just into some rubber grommets here and here, and also, you can see, right into the fender here and here. So to get your air box out, what you're going to want to do is just grab hold of it and you pull up really firmly and one will pop. And now take a screwdriver and put it under here and that'll help you to pop this one out. Kind of loosen on that screwdriver. Loosen up my air box. And another one pops. Okay, and now you pull it out this way from the fender. Okay. Then you got to take out, off these rubber grommets. And you can see here's the things on the bottom that hold it into the bottom. And I'm going to take these grommets and just going to put them back into the fender here.
Okay, now we're going to remove the four nuts and bolts that hold the washer and radiator bottle in place. One there, one there. Okay, one right in there, and then one right down there.
Okay, and interesting to note that the nuts that go down onto the fender, the lower nuts, are 11 mm, and then the two bolts that go into the side of the fender are actually 10 mm. So I'll quickly just remove those. And once you have them unbolted, you just want to lift it up. Pop the studs. And then just slide forward some just to give yourself a little more room to get to the blower. Okay, now here's your blower motor. You want to disconnect your harness here, just like that. Then this tube here, just a rubber band, kind of, that goes like that and comes away, and then you have four 8mm bolts: one, two, three, and then way down there, four. Now you can pull your motor right up. Get your harness out of the way. And it comes up and out. Okay, now with the motor out of the way, you can see right down here is your resistor, and there's an 8mm bolt right here that you want to take off. Okay and there's another bolt right over here.
Okay, now your resistor comes up and out, and basically the harness is pronged with two tabs, and you want to just kind of pull. Try and work your thumb underneath each tab, and pull. And then on the opposite side, you may want to use, take a screwdriver, work it under one of the tabs. Pull some. Get your finger under the other tab, and pull. Okay, and there are a few adjectives and adverbs I used during this, but really it's just a matter of working it in there and pulling it really hard and then you'll eventually get it apart.
Should just be, the plastic is coming out but the, there we go.
Okay, looking inside the contacts in this resistor, you can see, especially this one up here getting pretty rusty. And that's what happens, they get pretty rusty and then they take too much, they give too much resistance, and the fan doesn't work at certain speeds. Now this one is still working okay, so I'm going to put it back in. Okay, and you can see, can't really do this incorrectly. Plug it back in. Okay, and I'm going to just kind of speed up through putting it back in 'cause it's just a matter of plugging it back in and then putting it down in there and bolting it up. And then once you get them pretty close.
Okay, tighten them up. They don't have to be incredibly tight, but they should be nice and snug. Okay, and I'm going to kick it into lightning speed here and just fast forward through reinstalling the blower motor and getting everything back in place. If you want to see this in regular speed, just check out our video on removing and replacing the blower motor in an Explorer. Or, if you want, you can just follow my lightning fast hands and probably glean enough information from this to do it. But, yeah, once this is done in a little bit, we appreciate it, and we hope this helps you out.
We hope this helps you out. Brought to you by www.1AAuto.com, your source for quality replacement parts and the best service on the Internet. Please feel free to call us toll free: 888-844-3393. We're the company that's here for on the Internet and in person.
