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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 and 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're going to replace the serpentine belt tensioner and show you how to get to the idler pulley as well on this '98 Dodge Durango, same as a lot of Durango's and Dakota's with V6 and V8 engines. Tools you'll need are 10mm socket and ratchet, screwdriver, 10mm and 15mm combination wrenches and an adjustable wrench.
At the passenger side, there's the alternator and your belt tensioner is right down there. 15mm wrench, put it right on that bolt. Pull, which releases the tension on the belt meter. You take the belt off the alternator and then slowly let the wrench back. You want to remove the air box and it's pretty easy using adjustable wrench, we're losing up the knot on top of your upper body. Take that off, and there are four clips so you could open up the air cleaner. Okay, and you take the full assembly up. You're kind of pull it off to the side. Remove your air cleaner. There's a bolt down in, that's 10mm.
There's also a bolt over here in that corner that you want to remove, 10mm and then there's a little pin right here that you need to pull out. We'll remove this bolt. I'm just going to put down in there to keep it and then, I want to use a screwdriver or something, somebody that already broken it on this vehicle. You need a screwdriver to pry that away. The bolt that's right down the center of the box here. Remove that. The entire box comes up and out and you got plenty of room to work here. Okay. Now, with that air box, you're going to want to remove that ignition coil which I'm using a 10mm socket and ratchet and a 10mm wrench and see I just unplug the top lead from the coil and now I'll speed up, go on through and take another bolts off.
Now, you pull the coil away and disconnect the lower lead by pushing down on a thumb tab and pulling. Now, at the back side you just see there's a 15mm knot right here. I want to remove that. Once that's off, it comes right out. Here's your original. Here's the new one from 1A Auto. You can see they're all the same. The new ones got the stud and everything. There's a bolt right in there. While you have that out and the belt is off, good idea to replace your idler pulley at the same time and it's a pretty inexpensive part. It's a 15mm bolt, maybe 14 on some vehicles, but you just remove this bolt. The idler pulley comes right off and you can put the new one on.
Okay. We're going to go ahead and reinstall and on the bracket, there is another whole that lines up the tensioner. You pull on there and make sure that there's a little tab on the tension that goes to that whole. Make sure that goes in and then put your knot on and tighten everything up. Okay, and the keen eye will note that that is the original tensioner. This is just kind of a video mule for car so I didn't put a new one on it. Just get it as tight as you can with this wrench. That's fine. While this is out of the way, we can put our coil back on. Okay, and then we'll fast forward through this.
Remember, you want to hook up the lower harness on there first, then put the two bolts and tighten them up. You want to tight them snug and not to be extremely tight. You want to plug in the top one and now also fast forward to put in that air box that can pretty easier, the lower bolt in there. Clip that on, keep that other bolt up on top on the corner off set. Reinstall your air cleaner and then make sure that the knot on the frontal body is nice and tight.
Okay. Now, get the bolt. Rod it the way you want it. There's 15mm wrench on here and then pull the wrench over and put the belts up on the alternator, make sure it stays down, and to the alternator. It's back on, make sure the belt go around correctly. It should be all set. You just put it on to the idler pulley a little bit more.
We hope this helps you out. Brought you by www.1AAuto.com, your source for quality replacement party and the best service on the internet. Please fee-free to call us toll-free, 888-844-3393, where the company that serves you on the internet and in person.
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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.
We're going to remove this whole panel. We're going to start by taking off the spare tire jack crank. Take that off and now there's a series of clips they have Phillips head screws in them. We'll show you how to get them out.
There's four across the front. Two more which are missing on this vehicle and then there's two clips back here which are a different style, although I'm pretty sure they should be this Phillips screw style. The way these should come out is you turn them counter-clockwise and very lightly, almost pull up on the screwdriver while you're doing it so they come out. Then once you have that out the whole clip will come up and out. You may run into them where they don't want to come out that easily, in that case you'll probably need a little 90 pick tool, although sometimes you can be successful getting. Sometimes you can get a fingernail under there, but what you'll probably have to do is get a pick tool right in underneath just to pry up a little bit when you turn it and pull it out.
These ones back here are a different style you pry up. Pull the center up and pull it out. Although I'm pretty sure these should be the Phillips screw style. I should have all the clips off, panel lifts up and off. I'm going to remove this cover. Two 10mm bolts on this side and one over on the passenger side. And remove those, 10mm socket and ratchet. Loosen the throttle body clamp with a flat blade screwdriver. Then you just kind of pull up and down on the whole ducting.
There are tubes that go in the side, once you pull it off the throttle body you can twist a little bit and pull those tubes free. Clamp for the air filter, pull that off and there's two connectors. One easy to see here, press down on the tab and disconnect. You may press on the tab, use your screwdriver and pry a little bit to help loosen it up. Connector's off and then there's another connector. Press the tab and disconnect. And the intake tube comes up and out.
Okay, you can see we have a lot of stuff off the front of our engine, which is good so we can show you how the belt routes, but obviously it's going to be more compact for you. Here at the top, the belt's on the alternator, goes down around the power steering pump, back up around your water pump then down and around the crank, up and around your tensioner, back down for your AC pulley and then back up across this idle pulley and to the alternator.
You're going to want to feed a breaker bar up from the bottom. And you're going to have the fan here, but you should be able to reach up and in and get your breaker bar in and grab and pull down. Once you pull down, you can flip it off of one of the pulleys and then release your breaker bar slowly and take it out. And now you can reach down, bring the belt up, flip it off the water pump, and pull it up and out, and then pretty much the hardest part will be get it off your AC compressor, and pull it up through.
The idler pulley has one 13mm bolt. Remove the bolt and the pulley comes off.
And put the new pulley on, put the bolt on, and then tighten this bolt to 15 to 22 foot pounds. Just make sure the pulley goes onto the casing correctly. Torque to 15 to 22 foot pounds. I've got my wrench set to 20.
Obviously we have a lot of stuff removed. This is so we can show you this process easier but you will have to contend with your fan and stuff. Take a loop between the idler and the tensioner pulleys. Push it down in and you can get it from below but push it down in and put a loop over your AC then take your belt, push it down underneath your crank shaft and put a loop around the crank shaft. Okay and then it comes up, over the water pump and down over the alternator and we'll leave it off of the power steering pulley. That'll be the last part we put on.
We're going to use a half in ratchet and the bigger ratchet you have, the better because you're going to want to feed it up into here, get it into your tensioner and keep in mind your fan will be on for some repairs. Get that ratchet as high as you can and then reach through, pull the tensioner down and then pull your belt onto your power steering pulley. It's not working on the power steering pulley, let it come off the water pump pulley, get it on the power steering pulley, sometimes it's easier to push up and onto the smooth pulley but again you'll have your fan in the way in some places. Then release the tensioner and remove your ratchet.
Put your air intake in place. Back in place over here. The tab winds up there and this clamp goes on. Just reach down and make sure nothing's getting pinched. Lock that down into place and your mass air flow connection, reconnect it. Reconnect this connector. Tube down here goes in there. Flat blade screwdriver to tighten up the clamp that holds it onto the throttle body. Throttle body cover back in place. And kind of move it around a little bit, figure out where the bolt hole is. I'm actually cheating, just looking right through here. See there, start it up and then push this side down into place and start my two bolts over here and then tighten them up.
Put the cover back on. It's in place, you can see all the holes. These back clips, just make sure the center's popped up. Push them down in, push the center in and then these ones across the front, clip in first and just push the center right in to lock it. Put your jack handle back in.
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