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1A Auto Lifetime Warranty
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New
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Tools used
Now, I removed the spare tire. You don't need to, but it gives you a little extra room and I need to remove this bar from this side. I'm gonna take this bolt out and there's a nut on the other side. So, use a 21-millimeter wrench or 13/16, and a 21-millimeter socket. Take this out. I'm just gonna use a pry bar to pry this out. And if it's in your way, just use a bungee cord. Just get that out of the way. Some of these bolts are pretty rusty, so just use a wire brush, try to get some of the rust off.
It's always a good idea before you remove the cover, especially if you have to reuse it to pull the fill plug out first just to make sure you're able to because if this fill plug is stuck in there, you're not gonna be able to add fluid. And just use a extension and you might have to use a screwdriver to clean anything out. Just use a pocket screwdriver, clean some of the rust out. Take a hammer, tap it in there. And take this out. I'm gonna take a 13-millimeter socket and extension. Because these are rusty, I'm gonna hammer these on a little bit. And loosen this up. This one has the brake line bracket, just grab that. You can just pull that out of the way a little bit. Try to get some of that extra rust off there.
Now, I'll take these all out. Make sure you have a drain bucket underneath because you're gonna wanna catch the fluid. All those bolts are out except for the top one, it's just a little loose. Just take a pry bar or a screwdriver and just slowly pry the cover out. Let the fluid drain in your drain bucket. Take that top bolt out. And grab the cover and just slide it off. All right. And you're gonna take a razor blade or a scraper and just scrape off the old gasket material. Do this on the housing and then if you're gonna reuse your old cover, you wanna scrape it off the cover as well. You could also use a scuff pad to try to clean some of that up and then just use some brake parts cleaner on a rag to wipe it down.
Now, take the cover. We have a new cover that we're putting on. Just line the gasket up like that. There's a bigger part of the gasket that goes on the ring side. Slide the cover in place and get all the bolts started. And make sure you pull this bracket over. I'm gonna torque these bolts to 30 foot-pounds. And we're gonna do that clockwise, so go right around. All right. Take this bungee cord down and slide this bar back in position. Take the bolt, line the bolt up. You might have to pry the whole axle over a little bit. Right there. There we go. Take the nut. Put the nut on the backside. And tighten this up. Put the wrench in the backside. Get that good and snug. Take a 10-millimeter hex bit and loosen up this fill plug. This new cover had the fill plug on it or you could always go to the fill plug that's on the differential. If you loosened that one up earlier, make sure you tighten that up. Take that off. If you have a rear limited-slip differential, you're gonna wanna add limited-slip fluid additive. And if you're not sure, it doesn't hurt to add some anyway. But you always put that in first. And a lot of times a lot of the fluids have the additive already in it, but it's always good to add a little extra anyway. And you're gonna fill up the rear differential till the fluid starts pouring out of the fill hole. To determine what kind of fluid, you can always check your owner's manual.
Yep, and you wanna make sure the fluid is right up to the bottom of the fill hole. Normally, plug it off for a minute. And double-check. Yeah. That's right up there. Let that drip out for a sec. Now, take the fill plug, get that started. Make sure the gasket is on there. And snug this up. That's good. And take a rag, just wipe off the excess. If you have a little underneath, use a little brake parts cleaner. That's good.
Tools used
Tools used
Now to access the cover, I'm gonna pull this bar out of the way. Let me use a 13/16 wrench or a 21-millimeter wrench. On the backside, there's a nut on the other side of this bolt, and take that bolt out. Use a 21-millimeter socket. I'm just gonna use a bungee cord and just pull this out of the way.
Now, it's always a good idea before you take the cover off to take the fill plug out. Otherwise, if you can't get the fill plug out, then you won't be able to add fluid to it after you're done. So just use a 3/8 extension and a ratchet. There we go.
Now some of these cover bolts are pretty rusted so I'm just gonna take a wire brush, just try to clean up some of the rusts. All right. Now, I'm gonna take the cover off. I'm gonna use a 13-millimeter socket to take all these bolts off. I'm gonna leave the top one in a little bit, just leave it loose, and then I'll pry the cover off.
This one has the brake bracket right here, brake hose bracket, or brake lines. Move it out of the way. Just be careful. If this looks really rusty, be more careful with it. Now I'll just loosen this one up. Let's leave it like that. Make sure you have a drain bucket underneath before you start taking those bolts out. And then just get a screwdriver or a pry bar. Just get underneath the cover and just slowly pull it back. Let the fluid drain.
And once that's loose, you're gonna take the bolt off. And just slide the cover out. There you go.
At this point, I can use a scraper or even a razor blade. Just be careful if you're using a razor blade and just scrape off any excess gasket material. Now I'm gonna use a little brake parts cleaner and just wipe this down. Just try not to spray directly into the gear. Now I can take the gasket and just line that in position. I'm gonna take the cover, try to go over the gear. There you go. Just twist it a little bit.
You don't have to pick the sway bar links out, but you could if you were struggling with that, and just line this all up, and get the bolt started. And I can move this brake hose bracket down and brake lines. Put that bolt through. I'm just gonna snug these down before I torque them down.
Now I'm gonna torque this to 30 foot-pounds and make sure you torque it in a cross pattern. So we'll torque this one and then just go criss-cross. All right. That's all.
If you're not gonna use this fill plug to fill up the rear differential, you can use a 10-millimeter hex socket and tighten that up. Just make sure it's snug. Now, just hook this up and torque this to 77 foot-pounds. With the fill plug out, I'm going to add the limited-slip additive first. It's always a good idea to add it and do that first before you add the gear oil, then add the proper gear oil. You can check your owner's manual.
You can use a hose to get the fluid into the rear diff. All right. Now, as you're filling this up, if you notice that it starts coming out the fill plug, then that's up to the ideal level. Certain vehicles, it doesn't have to go all the way to the fill plug. You want to check your owner's manual and put the appropriate amount of fluid in. Now put the fill plug in and snug this up. Not too tight.
Once it starts getting a little snugger, just a little bit more. That's good. Take a little brake parts cleaner and clean it off.
