Rover Resources Center
Differential, Transfer Case, & Axle Service On Discovery I
Watch Doug, our Land Rover Master Technician, perform the differential, transfer case and axle oil service ( using our
complete kit # DTCM600A ) on a Discovery I, 1994 - 1999. In this video, Doug will show you the drain and fill points of the front and rear differentials and transfer case. This service is often forgotten and should be performed every 30,000 miles, to prevent more costly repairs. Questions about this video? Call us at 1-800-533-2210 or contact us live chat.
Kit #: DTCM600A Performing Differential, Axle & Transfer Case Service On Discovery I 1994 - 1999, 8-Cylinder Gasoline, North American Specifications
Hi I'm Doug, your tech support representative here at Atlantic British. And in this video we're going to introduce you to another one of our maintenance kits as part of our maintenance and repair academy. This kit is for the 1994 to 1998 Discovery I. And it is for changing the fluids in the front and rear differentials, the transfer case and the front swivel balls. Now we have the kit laid out for you here. Where you have all your fluids that you need to change on all 4 items. Along with new drain plugs, fills plugs, washers. Right across the board. Gives you everything you need. Now it's always best to replace the old plugs with the new ones, only because in cases like where you have a female receptacle. You get this full of rust and whatnot it's hard to get the tool in. Plus it will just end up making the job look better when you’re done. Now, this is a copy of the sheet that you can download and make copies of right from our website. And this is all part of our maintenance and repair academy. And you'll see differential, axle and transfer case maintenance kit. Recommended every 30,000 miles. And then it gives you a list a breakdown of all the components that come with the kit. That Kit number is DTCM600A. And again they do recommend every 30,000 miles, but if you put your vehicle through rough service, do a lot of off roading and whatnot. Especially in wet damp areas, it's usually best to change that a little more regularly. You definitely don't want moisture or condensation building up in any of these components because it can cause bearing damage along with other internal components. So, this is a good maintenance to do. And it can be done easily. It's just a matter of drain and refill. And what we're going to do now is we're going to show you the points where you're going to do your drain and refill for all 4 components. Alright. So. To change over the fluids on the differentials and the transfer case on this we're going to start on the front. And it's just a simple matter of a drain and refill. You have a drain plug down on the bottom. You're going to use a half inch either breaker bar or long handled ratchet because initially, especially if they've been in there for a while they're going to come out a little tight. So to break them loose you need some leverage. So you want something with about an 18 to 24 inch handle. You're going to remove that plug. Let her drain. Wipe off the inside. If you have a little bit of solvent that would be good because you are going to find material stuck to the backside of this plug. When you go to refill, reinstall your bottom plug. Take your fill plug back out. And you're going to top this off using the specifications that you receive for this differential. Don't use the bottom of the hole as your level. Land Rover does even states it in some of the manuals that this is not necessarily the level for this differential. So you're going to look up the specifications and put that amount of fluid in there. No more, no less. Reinstall your plug. Again, half inch drive. You're done with the front axle. Now we'll move to the transfer case. Alright for the transfer case you have a drain plug down at the very bottom. You're going to take this out. Again you're going to find material probably stuck to the backside of it. Clean it all off. Clean your surface back off before you reinstall it so you don't end up with any leaks. You don't want to have to drain that new fluid back out. When you're done draining reinstall your plug. And then up top and right here - and it does look hard to get at - but with a 4 inch half inch drive extension and a ratchet which will end up sitting right in this slot, you'll be able to take that plug out. Again, before you take it out you want to wipe that area down. Get any loose material and whatnot off. You don't need that dropping inside your transfer case. Take that plug out. Again you're going to fill it to the specified amount. Not using the bottom of the hole as the drain. Now you may come very close. In some cases you may find it to be that's where you go when you fill it with the proper amount. Butt, use the specified amount. No more, no less. Reinstall your plug and you’re done with the transfer case. And now we're going to move on to the rear axle. Now, changing the rear axle - going to be the same format as the front. Drain plug on the bottom. Half inch drive. Clean the material off before you take off the plugs. Make sure you don't want to get any junk built up in there. Clean the backside of the plug. Reinstall the plug after the axle drains. Your fill plug. Again you're going to put in the specified amount. You're going to wipe off any loose material or dirt built up around that plug before you take it out. Maybe even a small wire brush. In the case of something like this where you have a lot of crud built up. Take a little wire brush. Clean that area off. Take the plug out. Fill it to the specified amount. Put your plug back in. You're all done. When you're ready to change over the fluids on your differentials and on the transfer case and it's always best to do them all at once. Order your kit through any of our knowledgeable salesmen at 1-800-533-2210. And thanks for watching.
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