2015-2023 Mustang Steeda Rear Differential Adjustable Bushing Insert System Urethane Installation

Bill shows you how to install a Steeda Urethane Adjustable Bushing Insert System for the Rear Differential on your 2015-2023 Mustang.
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Today, we're looking at a Steeda Urethane Adjustable Bushing Insert System for the Rear Differential on your 2015-2023 Mustang. Reduce wheel hop and tighten up the rear end of your S550 Mustang with these bushing inserts from Steeda!
With the help of Bill and the crew at CJ's, this installation video will help you tackle this install in the comfort of your own garage or shop! Make sure to pick up your Steeda Bushing Insert System from CJ's today!
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[@jrcarr2326]

This video is so much easier to understand and follow than the Steeda video. I just bought these yesterday to go along with the rest of the Steeda Stop the Hop stuff I already have installed, and understanding how the bushing inserts go in from the front is demonstrated far better in this video. Great work!

[@mavricxx]

Got these installed on my Stang, what a difference it made! You won't regret it.

[@neonRTowner]

An excellent video. I have to upgrade my video and photo shoots for suspension upgrades after seeing this impressive video.

[@macsupforfun]

I think before I install mine, I'm going to Fastenal and upgrade the bolts that come with the kit from 10.9 to class 12.9. I have a little fear of fatigue and bolt shear, so I'm going one step up in bolt class.

[@Thedjcodeman]

got a ton of nvh afterwards.

[@JoabRey]

difference between the red and black? also, has a new version been released?

[@DagoMongo]

Do these work with the 2020 Explorer ST? I can’t seem to find any other that the whole support bracket system.

[@HeadBassVTEC]

my left rear IRS bushing is cracked, all I can find is stiffening inserts but no replacement of the OEM bushing, anyone know where to get it?

[@s0bad]

This was a SOB to install, the front bolt will not come out and the rear has to be aligned to get the new bolt in, you'll have to move the differentially up a bit with a jack to line it up with the sub frame

[@cjponyparts]

It seems to vary from car to car. Some go in relatively easy, others can be quite difficult.

[@teammotu]

Do they work on the 2016 GT350?

[@deanbarker3860]

Great video as always. Ordered and installed the red street bushings back in Nov. 16. Past two months horrible squeak has developed slowly that actually turns heads now. Any thoughts or options other than remove and re grease?

[@Zerogivengarage]

I would check that they are tight but they should not be making any noise if torqued and greased properly. Mine have been on for about 22,000 miles now.

[@deanbarker3860]

Thanks Bill. The tech at the dealer agreed with me that the squeak was the bushings too... Spent the day yesterday sorting it out and the culprit turned out to be a set of BMR Vertical Links (Delrin/Spherical) I had on the car also. Regreased them and it's golden again. Thanks for the reply and great videos!

[@5abivt]

Bongo Dave just wondering if you have adjustable camber arms ? I've been through a few sets of vertical links and bmr replaced half with spherical and I still thought it was the culprit. It was in the end the inner camber arm delrin bushings squeaking.

[@MyweathernetreportsBlogspot]

Bongo Dave I have a 1973 and a 2018 Mustang. They both squeak. Evidently, they are suppose to I think.

[@yadier713]

Great Vid!!!! Do you recommend combining this with Steeda S550 Mustang IRS Subframe Bushing Support System????

[@Zerogivengarage]

That is the setup I run and I am very happy with it.

[@demolaj1]

would you overall recommend the support braces vs the bushing kit ? or vice versa

[@domtremblay8378]

The front bushing seem a little hard to install. What happen if we install only the rear bushings? Will it put too much pressure on the stock soft bushings in the front under hard pulls?

[@trunkslorenzana]

ask steeda instead

[@s0bad]

​@@trunkslorenzanaobviously they'll tell you to buy both $$$

[@xGR1MxREAPERx]

Wish I had a lift to install this.. dealer quoted $700 to install. These bushings, lowering springs all around, vertical links, and the stage 2 rear lockout from BMR.. that seems insane as most these parts are installed at the same time as it will be all apart.

[@excelerater]

Rip off...it's a one hour job springs are another hour or so

[@s0bad]

​@@exceleraternot if you don't have a lift... I just did steeda braces today and shit took like 2.5 hrs with jack stands

[@excelerater]

@@s0bad a lift makes a big difference in time plus I've done a few S550s including mine so I know my way around... either way it's a nice upgrade.

[@Jacobo277]

I’m thinking about getting all the same mods you just mentioned how are they holding up?

[@xGR1MxREAPERx]

@@Jacobo277 DO NOT GET THE DIFF BUSHINGS…. THEY ARE LOUD AS HELL. keep stock ones in. Change all other parts and you’ll be golden.

[@dmcgriff]

If I already have the Steeda subframe braces installed, will I need to remove them first in order to get those front brackets off?

[@jessemas27]

+Doug McGriff Yes. The front of the braces blocks the front two subframe mounting bolts.

[@dmcgriff]

Yeah I did the install already. Had to remove the braces first. Not too big of a hassle though

[@DylanRodriguez-ee7or]

black inserts have lots of nvh with one piece driveshaft

[@5abivt]

Is there like nothing there before the bushings go in? I assumed the diff needed to be pulled and the bushings pressed out first...

[@Zerogivengarage]

+5abivt They are just filling a void in the factory pieces.

[@daffy_6632]

OMG I just installed the black diff mount and the whine coming from the diff is so bad! I will have to try the red insert and hopefully it goes away! But it does feel better, along with the steeda support bracket. Anyone one else get a bad whine from the black insert? Ok update, i managed to get the red bushings in, heck of a job! The red bushings are much better and the diff whine has almost gone away, only seems to happen randomly around the 120 kph but much better. Will keep the red bushings in for the time being, see how we go!

[@peckols_yt]

I have the red and same, the whine is absolutely ridiculous. Just figured out this was the culprit and will be replacing ASAP

[@brentrichards1200]

I just put the blacks in today. No whine at all. I was fully expecting it. I guess I got lucky.

[@cofi5554]

best

[@mvaroudakis]

Hi Bill, which OEM bolts were longer, the ones in the front or the ones in the back?

[@thewolphman942]

front one

[@billc9901]

Can't seem to get the front bushings in. The gas tank is much closer than in this video on a 2016. I dropped both front sub frame bolts and let the rear hang. Still not even close to getting bolts in.

[@Zerogivengarage]

I have only ever installed these on my 2015 as shown in the video. There may be a change to the later models that I am not aware of.

[@djkaseone]

I just put these in yesterday in a 2016. I removed the front subframe bolts on each side and lowered the front of the subframe with a jack and they went in fine. (I did not have to loosen the rear bolts)

[@tenzoxed]

Hi do the bushing make a clunking noise after awhile?

[@cjponyparts]

I had them on my car for over 30,000 miles and no clunking. I would check everything is tight.

[@Jamie-ww3yz]

My car has them and I get a clunking noise first gear and reverse

[@jpadilla0515]

Hey Bill are these supposed to fit flush with the subframe or do they hang out a bit?

[@cjponyparts]

They will stick out a little bit. - Bill

[@lobbyrobby]

I'm reading these will cause a lot of NVH on a 6 speed pp1 car. Anyone find this is true?

[@cjponyparts]

We have installed these on several cars with no issues using the softer bushings.

[@tp6051]

Please i have mustang gt 2018 , 5.0 It’s work this with my car ?

[@cjponyparts]

Yes 2015-2020

[@bradleygill4497]

Get the bolt through kit. I sheered these bolts in half poor design by Ford. Ruined my driveshaft as well.

[@peckols_yt]

These gave my car the most annoying rear end whine.

[@robertct06]

Idk how these could cause that. Something else must not be right

[@peterm3964]

Love your work BUT 8:32 seconds of generic hard rock is just lazy production .

[@JBWHITEGT]

Doesnt look like they provide any extra stiffness. Reason being is when you slide the insert in its still surrounded by stock rubber bushing then the metal of rear sub frame resulting in play still. To me this would be a waste of money. Might as well press out the stock bushing and put in some real bushing that sit flush with the sub frame. My question is How stiff is the stock rubber bushings around the edge of it? If that is considerably stiff and the aftermarket bushing sits flush against it, then it might be worth buying these as a temp set up.

[@mrksts1]

Having installed the red 80 durometer bushings on my car I can tell you that the urethane fits up inside in such a way that it is supported all the way around by metal. This mod really works. The ride firms up a bit in the rear, and the car's handling seems more consistent front to rear. No NVH issues but you do feel more input from the road (ever so slightly more harsh but not objectionable) The urethane pucks are fairly thick so you are putting a lot of extra support under there.

[@JBWHITEGT]

mrksts1 Good to hear. Id like to use the black bushing. I dont mind some NVH to have a better handling vehicle, after all thats what comes with the territory.

[@TheHotSauceGT350]

BMR version of this kit sucks

[@longaster]

music over sucks for wat5ching

[@hot429scj]

The guy performing the mods needs to learn how to use a torque wrench. You never jerk one!!