Video: Serpentine Drive Belt Replacement On a Land Rover Defender 90 or Discovery I
VIDEO
Watch Doug, our Land Rover Master Technician, replace the serpentine belt (using item # ERR5579 ) on a 1997 land Rover Defender 90 (also applicable to Discovery I models 1996 - 1999 with 4.0L engines.) Doug will show you how to access and remove the belt, and then replace and install a new belt. This service should be performed every 75,000 miles.
Part #: ERR5579 Belt Change On Defender 90 1997, 8-Cylinder Gasoline, North American SpecificationsHi I'm Doug, your tech support representative for Atlantic British and in this video we are going to touch base on belt replacement as part of your service and maintenance program. And in this kit you simply will be getting the replacement serpentine belt. Now this particular belt is used on both the 97 Defenders and the Discovery 1 4 liters. Now you'll see a part number ERR5579D and what we are going to do is show you the basics on belt replacement. Now I'm going to show you how easy it is to change the serpentine belt on your D90. This is a 97 with the serpentine, not with the multiple V belts. This is the belt you are going to receive in your kit. Your part number ERR5579D. Set that right there. First step is we're going to take this upper coolant hose; that will just slide up out of the way very nicely. You have 2 bolts that run down through the brackets that support the fan shroud. Normally, 10 millimeter heads on the 2. And the center section of this upper shroud is just held in place with 2 clips. One here - just going to lift up. Release that clip. Down on the other side you have the same style clip. You are going to roll this forward so that it clears so you can lift straight up and out. And this gives you pretty nice access to this. We've got enough clearance in there. Your belt tensioner, which is right here, has a 15 millimeter head on the nut right there and that's what we are going to turn to take the tension of the belt. Now it's a 15 millimeter, I use a long 15 wrench, gear wrench. There are a number of fan wrenches available out there. You just need something fairly long that will give you the leverage you need. You're going to push down which you see releases the tension on the belt. Slip it off of the top of the alternator. As a note, before you take the belt off completely, take a note of the way it is routed. Under the water pump. Under the lower pulley. Over the top of the power steering pump. Top of the alternator. And around the compressor. Once you loosen the belt up the fan is in the way. So you can loop the belt around the fan. Turn the fan until that area of the belt comes around. The fan will actually assist in that, help you out with that. Take this side off the power steering pump. Push it down to give it some slack. Then simply slide your belt out. Now this belt is in pretty good position. We're just doing this as demonstrative so you would essentially just take your belt out. And what I recommend, just a habit I got into all the years is take the 2 belts, end to end, stretch them out. You just want to verify you have the right size belt before you go try and install it and find out it might be off an inch. And this one is a good fit. You can see it is exactly the same as the original that came out. Set that aside. Drop this down so you can actually slip the bottom of the belt right underneath the fan. Which will then put us right around the bottom of the lower pulley which is where we should be. We'll start off there with the installation. Lift up a little bit and set the belt in the grooves. We remembered we went over the top of the power steering pump. We're going to take this piece on the right side and just run it here around the AC compressor, because that's where eventually it is going to go. And we went under the water pump, which means we have to go around the fan again. Fortunately with this upper shroud off you really have some room to work where you can put your hand down inside and push that belt down below the fan blades. It's a tight fit between the water pump and the lower pulley, which means you can feed in from one side and pull out the other. There we go. You want to check and see that we didn't slip off the bottom pulley. And as I say, we can get our hand down in there. Very good. Now make sure the belt is centered. You want to give it a good look because it could feel like it is on but you could be 1 rib over, which means after you put it on you'll have to take it all back apart again and readjust it. Okay, centered on both sides of the lower. Centered on the underside of the water pump pulley. Over the top of the power steering pulley. We're going to be between the water pump pulley and the tensioner pulley. Top of the alternator. Now when we go around the AC compressor you can unloop the belt from around the alternator because that's where you're going to end up putting it back on. And you hold up on that section of the belt to retain tension so that you don't slip off down below and have to do that again. We'll double check. We're still centered on the bottom pulley. Look good here. Look good here. Center the belt on the idler pulley. Again you're going to maintain tension, take your long 15 millimeter, push down to relieve the tension on the belt. Slide that on. Check for tension - that looks good. Again always double check and triple check to make sure your ribs are lined up where they should be, that your belt is centered on the pulleys and we look good. Essentially our belt is now on. All we need to do at this point is reinstall the upper shroud cover. Put your clips on. Your 2 bolts. And you have changed your serpentine belt. Now when you put this upper shroud in there's actually sort of a slot that it sits in. You want to make sure it is fully seated. And you will know if it isn't because you'll have a real hard time trying to clamp this clip. If it pops on that easy you know you're in place. Same thing with the lower. You'll feel it pop in. Clamp it. Put your 2 bolts back in to hold on the upper shroud. These are essentially just sheet metal screws that thread into the plastic itself. Put your hose back on. Make sure that when you put the hose back on that you don't create any tight bends, that you have a good looping bend on there so that it doesn't restrict the coolant. And there you are. You have a brand new belt on there. So when you you're ready to change the belt on your D90, give a call to any of our knowledgeable salesmen at 1-800-533-2210 and they'll be happy to help you out.
Discovery I | 96 - 99 | 4.0 Defender 90 | 97 | 4.0 This video has been viewed: 7,671 times
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