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DIY Lower Ball Joint Replacement on a 4x4 titan

64K views 18 replies 9 participants last post by  NBhunter80  
#1 · (Edited)
Well I finally got around to changing out my lower ball joints, and let me tell you, it was a pretty big pain in the butt. I couldn’t find any write-ups online for lower ball joint replacement on a Titan, so I figured I would share the experience I gained. It was a really long night last night doing the job, but I know that if I had to do it again, I could do the job in half the time it took us to figure things out the first time around. I didn’t take many pics because honestly I was too busy trying to get the job done to get the camera out. Anyway, here’s a basic write-up of what you need for the DIY replacement of the lower ball joints on a 4x4 Titan. Two people are required to do this job easily. It would be possible with just one person, but it would be really tough to do by yourself. It is definitely ideal if you have someone to help. If you have someone to help and you don’t waste much time, the job will take you 4 to 5 hours to do the lower ball joints on both sides. We took much longer than that due to getting side tracked and trying to figure stuff out. If you are experienced with front end work, you might be able to do the job in less than 4 hours. You should purchase new GREASEABLE lower ball joints to replace the factory ball joints (I used MOOG lower ball joints that come with a lifetime warranty). Remember to always replace the lower ball joints in pairs. If one is gone, the other is probably not far behind.

Tools you will need:

- Metric socket set and wrench sets up to 22mm with a few sizes of extensions, ratchets and breaker bars
- 32mm socket to remove axle nut– we didn't have XXL metric ones, so we used a 1¼” socket with a 4 foot breaker bar
- Ball joint press
- Grease gun with grease
- Needle-nosed pliers
- Pickle fork
- Big F’in Hammer (small sledge hammer ideally)
- A short piece of 2x4” wood to hammer against
- Separating tool (jawed c-clamp style) to pry the lower ball joint post out of the spindle
- Alignment tool or screwdriver to line up holes in order to fit bolts through the mounts.
- Jacks and jack stands

Procedure:

1) Jack up the front end of the truck and set the truck on jack-stands. Remove the jacks unless you have other jacks available. You will need the jacks to support stuff later on.

2) Remove the front wheel lug nuts and set the wheels aside.

3) Have someone sit in the truck and press the brakes to hold the hubs from turning. You have to immobilize the axle in order to remove
the bolts in the next step.

4) Using your 32mm socket (or 1¼” socket) and biggest breaker bar, loosen the nut on the front axle half-shaft. You can leave the nut on for now, but you will need to loosen it now while you still have the brakes attached.

5) Crawl under the truck and loosen the six 14mm bolts from the axle flange while one person presses the brakes to immobilize the axle. You will have to rotate the axle to access the bolts, so communicate to your partner when to release and press the brakes in order to access all 6 bolts. These bolts will be pretty stubborn because they are most likely caked in road grime.

6) Now you can start removing the brakes. Remove the ABS sensor wire from the little clips and be careful not to damage the wire throughout the entire procedure.

7) Remove the brake calipers via the caliper mounting bolts. The caliper mounting bolts are 21mm and can be removed with a regular socket. If you have never removed the caliper mounting brackets before, the bolts will be really stubborn because they have locktite on them.

8) Set the brake caliper out of the way and support it so you don’t hang the caliper by the brake lines. I hung the calipers from the upper control arm using straps and made sure the brake lines weren’t pinched or kinked. Leave lots of slack in the brake lines.

9) Remove the brake rotors.

10) Remove the nut that holds the sway bar end-link to the Lower Control Arm.

11) Swing the sway bar out of the way.

12) Loosen the bolt on the upper ball joint, between the upper ball joint and the spindle.

13) Remove the lower shock mount bolt that attaches the shock to the LCA.

14) Remove the bolt on the bottom of the spindle that clamps onto the lower ball joint post.

*Now is the best time to remove the axle half-shaft. On a 4x4 Titan, you have to remove the axle shaft in order to get enough clearance to get the lower control arm out of the spindle. We wasted a couple hours trying to figure out another way around this, and we did find a way to get the old ball joint out (destroying the old ball joint in the process), but then when we installed the first new ball joint, we couldn’t get it back into the spindle again because of lack of clearance due to the axle being in the way. We then had to take the axle out anyway to get the new ball joint back in. Save yourself the trouble and remove the axle before removing the LCA. There is really no other way to get the new ball joint in, and it makes removing the LCA much easier if the axle is out of the way.

15) Have one person under the truck to support the axle shaft. Remove the 14mm bolts on the axle flange that you loosened in step 5.

16) Loosen the nut on the axle shaft all the way to make the nut flush with the end of the axle shaft (this is to protect the threads of the axle shaft. Using your Big F’in Hammer tap the axle shaft inwards until the splines slide out of the hub. Protect the axle shaft end with some wood so you don’t damage it with your hammer. Make sure the other person is under the truck and ready to support the axle shaft when it comes loose. Once the axle shaft has been tapped free of the hub, remove the nut on the end of the axle, pull the axle shaft through and set it out of the way.

17) Pry the lower ball joint post free from the spindle using the pickle fork and your separating tool. Once the ball joint is free from the spindle, jack up the spindle and hub assembly to support it.

18) Remove the LCA cam bolts at the base of the LCA. Take note of where the small hole in the cam bolt washer is located before you take the cam bolts out. The orientation of the cam bolts is important for your alignment. You will need an alignment afterwards anyway, but it will help if you keep some relative idea of where the hole in the cam bolt washer was positioned so you can re-install the bolts in approximately the same orientation.

19) Remove the Lower Control Arm.

20) Using pliers, remove the clip ring that holds in the lower ball joint.

21) Using your ball joint press, press out the old ball joint from the LCA.

22) Give that crappy old ball joint the finger and heave it towards the garbage bin in disgust.

23) Press in the new greaseable lower ball joint into the LCA. Be careful not to damage the new ball joint while pressing it in.

24) Install the new clip ring onto the new lower ball joint.

25) Install the grease nipple onto the new lower ball joint, and fill the ball joint with grease.

26) Line up the back of the LCA with the LCA mount.

27) Re-install the LCA cam bolts finger tight to hold the LCA in place while lining up the lower ball joint with the spindle.

28) Have one person pull out on the spindle and the other person line up the lower ball joint pin with the hole in the bottom of the spindle. Tap in the spindle onto the lower ball joint pin. This may require some force to tap it in there, and one person may have to press down on the LCA while the other person taps the bottom of the spindle.

29) Once the ball joint post is completely into the hole in the bottom of the spindle, install your new bolt and locking nut that came with the new ball joint into the bottom of the spindle in order to keep the spindle attached to the lower ball joint.

30) Grab your axle shaft that you set aside, and clean off the splines on the axle shaft that go into the hub. My hubs had some water that had intruded and the axle splines had some surface rust on them, so did the hub splines. With some gentle cleaning I was able to remove all the grime and rust. After cleaning, I put a small amount of grease on the splines to help keep away future rust.

31) Unbolt the cam bolts again on the LCA and let the back end of the LCA hang down slightly while supporting the LCA with a jack so it doesn’t stress the new ball joint. This will help you get the axle shaft back in more easily.

32) Gently and carefully insert the axle shaft back into the hub. Make sure the axle splines are sliding properly into the hub and not fetching up. Put the nut back on the axle shaft finger tight.

33) Bolt the other end to the axle flange finger tight using the six 14mm bolts.

34) Re-install the cam bolts and LCA. Install and tighten them in the proper orientation as noted in step 18.

35) Jack up the spindle/LCA in order to relieve pressure on the Upper Control Arm.

36) Tighten the upper ball joint nut that holds it to the spindle/UCA.

37) Re-install the lower shock mount bolts and tighten. We had to do some precision jacking on the LCA and use an tool to get the alignment of the holes proper in order to slip the bolt back in through the shock and the lower shock mount.

38) Re-install the sway bar.

39) Re-install brake rotors.

40) Re-install the brake calipers with the 21mm bolts through the mounting brackets.

41) Re-install the ABS sensor wires into the clips.

42) Repeat the procedure from steps 3-5 using the brakes to immobilize the axle in order to tighten the six 14mm bolts on the axle flange, and the nut on the end of the axle (32mm or 1 ¼ “ socket).

43) Check all of the bolts and nuts that you removed throughout the procedure to ensure that they have all been tightened to the proper torque specs.

44) Re-install your wheels and wheel lug nuts.

45) Celebrate the fact that you didn’t get ripped off by the dealership selling you two new Lower Control Arms with the same crappy ball joints, and then charging you a fortune to install them!

Remember to drive slowly at first for the test drive after changing your lower ball joints. You had quite a few things apart on the front end, and you don’t want to be going fast at first in case there is a problem because you installed something improperly or the new ball joints were defective. You will need an alignment after messing with everything on your front end (I’m sure you needed one anyway if you had bad ball joints). I finally got my truck aligned properly this morning after replacing the lower ball joints yesterday, and no more pulling or crooked steering wheel!! The ride quality is also infinitely better than before. No more clunks, pops, groans etc. It was a hassle to do this job, but my truck drives so much better now. And if you have installed new greaseable lower ball joints, don’t forget to get under there and grease them occasionally! I like that idea much better than the non-greaseable factory crap. We all know how well that stuff usually works out. Anyway, I may have missed a few things, but I hope this helps anyone else who tries this project in the future. Cheers!
 
#3 · (Edited)
Here's a couple pics I snapped with my cell phone while doing the job.

Bad ball joint removed with appropriate hand gesture:

Image


New MOOG greaseable ball joint installed into LCA

Image


Rust on axle shaft splines from water intrusion

Image
 
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#5 ·
Yeah, we had an impact wrench, but it couldn't hack getting the nut off :lol:. It actually wasn't that bad once we got out the 4-foot breaker bar.
 
#6 · (Edited)
Can anyone post a source for the greasable ball joints used? Moog or whatever brand?

Just did UCAs and tie rod ends (04 SE KC w 109K miles) but I still have some pretty bad clunking over bumps and its especially loud, I noticed, when driving off a curb. Even very slowly off whar seemed to be maybe a 6" high curb. Sounds like the front end is going to fall out... So Im guessing its the lower ball joints...

Thanks!
Aaron

Edit: Found them at RockAuto.com
 
#7 ·
check your shocks too bro, that could be the clunking.
 
#9 ·
I'm doing front wheel bearing/hubs and it appears that with the bearing out, you can just lift the axle end up and get it high enough to lift the LCA up enough to get the ball joint out... Has this been tried?
I bought new ball joints shortly after posting here -ages ago- but never did them. While doing the pass side front bearing I discovered the Lower ball joint is totally junk - shocks most likely are too at this point.
I dont have a ball joint press so I'm just going to replace the bearing and put it back together today, but seems like this might be another option instead of removing the axle? - getting my bearing out was a complete f'ng c'nt, but normally they ought to come out easily enough - I know mine will if I want to re-remove them to do the ball joint...
 
#10 ·
Yeah I did both my wheel bearings also, and I realize that it is possible once the bearing is out; however, taking the axle out is relatively easy, and even with a small amount of corrosion, getting the bearing off the spindle is a PITA. Also by pounding your bearing out, you could damage the bearing or upper ball joint in the process, or you could bust the c-clip in the differential if you don't unbolt the axle anyway. Either way, it is MUCH easier just to drop the axle out rather than removing the wheels hub.
 
#11 ·
So I'm doing the shebang, upper & lower bj's, outer tie rod ends, swaybar end links and bushing. I ordered all moog and my question is: did you measure the steering knuckle when you replaced the lca bj? It says to measure it in two places and if the difference between the two is .032 or greater I think you have to replace the whole spindle. Did you have any issues with this?


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#12 ·
So I'm doing the shebang, upper & lower bj's, outer tie rod ends, swaybar end links and bushing. I ordered all moog and my question is: did you measure the steering knuckle when you replaced the lca bj? It says to measure it in two places and if the difference between the two is .032 or greater I think you have to replace the whole spindle. Did you have any issues with this?
I didn't measure anything, nor did I know of any requirement to measure. Is that in the instructions from MOOG? What are you measuring, and why would you need to replace the spindle? After all, the spindle is just a big hunk of metal... there is nothing to wear out. Anyway, I don't recall anything about that in the instructions when I did my install. 3 years later and no issues, so either my truck was within tolerance, or it really didn't matter that much.
 
#13 ·


Here is what it says in the Moog instructions. I can see it happening if somebody had replaced it before and over tightened it but I was just curious.


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#16 ·
Here is what it says in the Moog instructions. I can see it happening if somebody had replaced it before and over tightened it but I was just curious.
Ah yes, I do recall checking that the pinch hole was out of round. We just eyeballed it and everything was straight.
 
#17 · (Edited)
Well folks, I have determined the service life of lower ball joints when running a 3" RC leveling kit with no sway bar, bad New Brunswick roads, and lots of offroading. I am again in the process of replacing my lower ball joints, along with the upper ball joints in my RC UCAs, wheel bearings and brakes all around. My truck currently has 130k miles on it. I believe I was at approximately 66k miles when I did the ball joints, so 65k ish miles looks like the service life of front end components with the abuse I put on them. This time around I decided to replace the whole LCA assembly, as my LCA bushings were shot. That turned out to be a major PITA, as the cam bolts would not come out of the LCA, and I had to cut them off with a reciprocating saw. 2 hours of cutting and about 30 metal blades later, I got the LCAs off. I was able to buy new cam bolts from NAPA, as they now sell the cam bolts with +/- 2 degree camber adjustment which you need.

I was doing the job by myself this time, and it was a pretty big pain, but one trick I learned which made life easier was I used a ball joint press to press the lower ball joint post into the spindle instead of struggling and hammering like I did the first time. It worked incredibly well. Essentially I just used a large adapter from my ball joint press to go completely around the top of the lower ball joint and press on the LCA, then the bottom hole of the ball joint press fit perfectly around the hole at the bottom of the spindle. I then used a chisel in the pinch hole of the spindle to spread it open just a touch, then with a couple quick cranks on the ball joint press, the ball joint post slid perfectly into the spindle. I did have to replace the pinch bolts, as I damaged the MOOG ones on the way out.

Also, for anyone replacing ball joints in the rough country UCAs, the ball joints are the same ones as used in 98'-03 Chev Silverados, and various other GM trucks, so they are easily found at any auto parts store. The MOOG part # is K6540. I was kinda surprised to find that there was no snap ring on the ball joint that came with the UCAs, even though the new ones came with a snap ring. After pressing in the new ones, there wasn't clearance to put the snap ring on in the groove on the BJ, so I just left it off. The ball joints simply press out, but getting the adapters to work properly was a challenge. First off, there was no room to press in the new ball joints with the control arms still on the truck, therefor I had to remove the UCAs from the truck to gain enough clearance for the ball joint press. In order to get the old ball joint out of the UCA, I used a grinder to grind the post off, then I used a 24mm socket to press out the ball joint from below. To press in the new ball joint, I used an adapter below the ball joint to press up against the bottom of the UCA, then I used a 32mm socket to press on the top rim of the ball joint and press it in. Unfortunately I couldn't use an adapter on the top with a cap, as the adapter I had was too tall and there wasn't enough room in the C-clamp for an adapter below and above the ball joint. But the socket worked just fine and I was able to press it in without issues. I also took the time to sand and re-paint my RC UCAs while they were off the truck, as they were pretty rusty from years of road salt in the winters.

The wheel bearings were an easy job, as I had the spindle right off the truck, so a few swift blows with the 5 pound mini-sledge and they popped right out.

So the work is done now and I am glad it is over. The cam bolts was the only real issue I had with the installation, but there was a fair bit of time wasted figuring out the upper ball joint before I finally got it right. Hopefully that is the last time I will do those parts as long as I have the truck. So for anyone else doing this job, use your ball joint press to get the lower ball joint into the spindle, and if you are changing your upper ball joints, just take the UCAs right off the truck from the beginning and you will save a lot of frustration trying to line up your ball joint press when there simply isn't enough clearance for the threaded rod on top of the control arm while the UCA is still on the truck. Anyway, I hope this helps somebody out and people can learn from my trial and error while ripping into the front end of my Titan for the second time. Cheers!
 
#18 ·
I am going through this issue right now with my 2008. Front end makes an awful clunking noise. My local Nissan garage is saying one is shot the other 3 are working but should be replaced for "uniform" wear on the vehicle. If 3 are working and fine, DO I REALLY NEED TO REPLACE THEM? Are they like a matched set that have to all be changed? Will I be doing myself a disservice if I only change the one?
 
#19 ·
They aren't a matched set or anything, but you would save a bit of work doing the upper and lower on the same side at the same time. So if you are in there already for the lower ball joint, for the extra hundred bucks and an hour of labour you might as well do the upper one on that side. Often times a worn out ball joint will put added wear on the other one on the same side, causing it to wear out faster. Just remember that if your ball joint is bad from normal wear, then the other side is probably not far behind. I always replace both when one goes bad, because ball joints are a critical safety component and the results of one failing while you are driving could be deadly.