lessons learned from replacing everything on the front suspension. | Ford Explorer Forums

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lessons learned from replacing everything on the front suspension.

sehaare

Well-Known Member
Joined
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City, State
Chicagoland, IL
Year, Model & Trim Level
98XLT 4WD SOHC,94XLT gone
Over the last year and a half I've replaced everything on the front suspension on my 98 with moog parts. There are some great How to's in the stickies here on this site. You should read those first but here is some addition things that I learned.

1) for the upper control arms - you should use the one piece design on the passenger side. Doing that gets you new bushings and it can still be aligned fine.

2) For the upper control arms - taking the bolts out on the drivers side sucks but knowing that going in and knowing that it has been done by several of us now means that you know to just take your time and eventually they will come out. I had to loosen up some of the hard lines in the way but it really was easier than I expected

3) For the upper control arms - you will more than likely (I'd say 99%) need to install the Caster Camber Cam Bolt kit, I learned the hard way by not installing it and then having to pay the alignment guy to do it. I also think that it would have made it easier to get the bolts back in, since on the original bolt one of the cams is welded to the head and can not be move up and down the bolt in an attempt to make insertion easier. On the kit the cam can be moved up and down the bolt

4) For the lower control arms - you can just replace the ball joints and can use the larger ball joint kit at autozone to do it. I had never done it before and I was able to do it pretty easily. But see #5

5) If your bushings are wearing out on the LCA's then just replace the entire LCA's. I did the ball joint first only to have to come back about a year and a half later to do the entire LCA. wasted time and money.

6) you might be able to just press out and in bushings on the LCA's but I couldn't find anyone on the internet who had done it. And once I saw them off the car there was no way in hell that I was going to fight them instead of just replacing the LCA.

7) If you live in the rust belt the torsion bar will NOT just slip out of the adjustment arm or the LCA as shown on some videos on the net. I had to take the LCA out with the Torsion bar still attached. I had started soaking the LCA with Kroil about a week before I went to work on it and the torsion bar still was rusted in place. What worked for me on the first LCA was to put the LCA in a bench vise hit it with a butt ton of kroil and let it soak in for a few hours and then use a BFH and big punch and drive the torsion bar out of the LCA. For the torsion bar adjustment lever I put the torsion bar in the vice and knocked the lever off. For the second LCA I did all of that and also had to use a propane touch to heat the LCA and torsion bar adjustment lever both up. I'm not a big fan of using heat, due to the potential of melting some nearby rubber parts, but in this case there was nothing to damage and the heat really helped.

8) Rock Auto has a kit that has everything for the front end with the exception of the caster camber bolt kits. I wish that I had just bought that from the start. as old as these vehicles are now you will eventually be replacing everything soon so you might as well do it all at once and just pay for one alignment. https://www.rockauto.com/catalog/moreinfo.php?pk=5646801&cc=1304413&jnid=506&jpid=1

9) get your self a good ball joint separator instead of using a pickle fork otherwise you will tear the dust boots on you ball joints. I used this kit from Harbor Freight and it came with the ball joint tool and the two arm gear puller that you need for the torsion bars (and it's on sale right now) http://www.harborfreight.com/5-piece-front-end-service-tool-set-60306-9402.html#reviews

Hope this helps someone else and Good Luck
Steve
 



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And I'll add one more thing there was a little slop in the Moog LCA where the torsion bar fits in. If you search the internet you will see that several of the aftermarket LCA have this same issue. While I would have liked it to be tighter I went for it and I was able to get the proper ride height and then have it aligned with no issues. I've only had it on for a few weeks now so it is too soon to be completely sure but so far everything is ok. And Rock auto said that they have sold hundreds of them and had no major issues. But I didn't want to put this with the rest of the tips since only time will tell on this one.
 






If I recall, with the Moog slop, there are threads on here about it. I have to redo my front suspension and have been hesitant with Moog as imo their not as good parts as they used to be, heck ask the Jeep guys that offroad in like the last 5 years. But with our trucks we don't seem to have a choice/many other options. Another thing people do is use the energy bushings with the Moog kit I assume to help with slop/tolerance.
 
























Having done a bit of suspension work myself I'll add that IMO the best tool to use for the UCA bush bolts is one of those ratchet ring spanners.

Also, I bought a ball breaker like the centre one in the China Freight link, I used to just deploy the BFH on ball joints but it didn't work on the SAAB because the UCA is made of pressed steel and just deformed when pressure was applied.

It's a very good piece of kit. Also useful for reinstalling tie rod ends especially if some helpful person has dinged the thread.
 






When you say torsion bar, do you mean the sway bar link?
 






When you say torsion bar, do you mean the sway bar link?

Torsion bars are the 'springs' in the front of the Second Gen. They are the bars that run from the frame, under about the front floor board, to the control arms.
 






Nevermind, I get it... I forgot those were there. They run front to back... I was thinking of the side to side.
 






Nevermind, I get it... I forgot those were there. They run front to back... I was thinking of the side to side.

Lol, don't worry man. I got confused looking at a car suspension after always working on my truck.
 






Does anyone know if the Motorcraft LCAs have grease fittings on the ball joints? I'd like to stay with OEM for the LCAs due to the Moog fitment problems, but I really don't like 'maintenance free' ball joints...
 












Does anyone know if the Motorcraft LCAs have grease fittings on the ball joints? I'd like to stay with OEM for the LCAs due to the Moog fitment problems, but I really don't like 'maintenance free' ball joints...


If you do get the motorcraft let us know how tight it fits on the torsion bar. I'm real curious if it will be as tight as the original. Thanks
 






If you do get the motorcraft let us know how tight it fits on the torsion bar. I'm real curious if it will be as tight as the original. Thanks

Will do. Probably won't be for a few months, but I'll report back.
 






Will do. Probably won't be for a few months, but I'll report back.


And by then I should know it there are going to be any real issues with the slightly larger openings on the MOOG ones. And I'll post a follow up as well.
 






I'm running the Moog ball joints and tie rods and they've been holding up without issue going on 60k+

I grease them up every 10k miles. I go to quick lube places for oil changes (full synth) and I make it a point to them that my front end is greaseable because of aftermarket parts and not sealed as the computer tells them.
 






I'm running the Moog ball joints and tie rods and they've been holding up without issue going on 60k+

I grease them up every 10k miles. I go to quick lube places for oil changes (full synth) and I make it a point to them that my front end is greaseable because of aftermarket parts and not sealed as the computer tells them.

I've replaced everything on my front end with moog. the only question out there is that the socket where the torsion bar fits in is bigger on the moog LCA than on the original ford one. The big discussion is whether that additional slop is going to affect it. Mine had the slop but I was able to adjust the ride height with no issue and it aligned fine. So now it's just a matter of if it will stay there or if it will slip. I think that I'm fine but in a perfect world I wish the fit would have been tighter.
 






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