Are ball joints on front LCA serviceable? (2011 GT) - Ford Mustang Forum
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post #1 of 7 (permalink) Old 08-05-2019 Thread Starter
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Are ball joints on front LCA serviceable? (2011 GT)

Got new tires installed on my car yesterday and the tire place said there was a bit of play on the drivers side ball joint. Trying to do some searching and it seems the answers are mixed. And a buddy I know that works at a dealer says the entire LCA has to be replaced.

Are ball joints able to be changed or do we just need a new LCA completely? And if the LCA has to be replaced, whats the best option as far as aftermarket goes? I know 2011 has the EPAS issue, and I don't feel like changing out the rack.

Appreciate any help.


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UPR Oil Seperator | Borla S-Type Axle-backs | Bilstein Struts/shocks | GT500 Strut mounts | BMR Springs | BMR UCA | BMR LCA's w/ relocation brackets | BMR Panhard bar | MGW Race Spec | Dark Stainless SVE Drifts w/ Nitto 555's | JLT CAI | Lethal Performance 3" Offroad X-pipe | Tuned by Kevin @ Wicked Motorsports | 394whp/389ft lbs SAE | 12.74 @ 114 mph
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post #2 of 7 (permalink) Old 08-05-2019
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Yes the ball joints can be replaced, and I have a brand new set of the premium "forgeline" ones I could sell you if you want (long story, see my thread on the topic if you are interested)

You can replace the entire A-Arm with the ball joints and bushings if you prefer. If you use the standard OEM ones, with the OEM bushings, there should be no issue with the EPAS shudder. I'm pretty sure you can also use the GT500 a-arms, which have slightly firmer bushings, with no EPAS shudder problem but I am not positive. The shudder issue happens if you replace the soft OEM bushings with hard aftermarket poly ones; which means you cannot use the Steeda or BMR a-arms that come with hard poly bushings.


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post #3 of 7 (permalink) Old 08-05-2019 Thread Starter
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Quote:
Originally Posted by JBert View Post
Yes the ball joints can be replaced, and I have a brand new set of the premium "forgeline" ones I could sell you if you want (long story, see my thread on the topic if you are interested)

You can replace the entire A-Arm with the ball joints and bushings if you prefer. If you use the standard OEM ones, with the OEM bushings, there should be no issue with the EPAS shudder. I'm pretty sure you can also use the GT500 a-arms, which have slightly firmer bushings, with no EPAS shudder problem but I am not positive. The shudder issue happens if you replace the soft OEM bushings with hard aftermarket poly ones; which means you cannot use the Steeda or BMR a-arms that come with hard poly bushings.
Yeah I'm looking into the GT50 A-arm right now. It looks like they are the same part number as the regular GT? At least for the 2011 year, I'm unsure if any other years for GT500 are different/interchangeable.

2011 GT Premium 401a

UPR Oil Seperator | Borla S-Type Axle-backs | Bilstein Struts/shocks | GT500 Strut mounts | BMR Springs | BMR UCA | BMR LCA's w/ relocation brackets | BMR Panhard bar | MGW Race Spec | Dark Stainless SVE Drifts w/ Nitto 555's | JLT CAI | Lethal Performance 3" Offroad X-pipe | Tuned by Kevin @ Wicked Motorsports | 394whp/389ft lbs SAE | 12.74 @ 114 mph
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post #4 of 7 (permalink) Old 09-08-2019
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I just got a 2012 GT that I am looking to replace LCA for new bushings and ball joints. What is EPAS shudder?

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post #5 of 7 (permalink) Old 09-08-2019
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Quote:
Originally Posted by rowekmr View Post
I just got a 2012 GT that I am looking to replace LCA for new bushings and ball joints. What is EPAS shudder?


Your EPAS is controlled by an algorithm that Ford made pretty aggressive on the 2011s and some 2012s that will try to compensate for the lack of a hydrobushing on your factory control arm.

I have this issue with BMRs adjustable LCA that have the small poly bushing and the EPAS does not like it when its warm out. It makes your steering wheel and front tires shake pretty violently as it gets in a feedback loop and only goes away by slowing down signatory speeding up.

I bought them LCA cheap ($300 new) and had a run in with a curb due to another drivers negligence and it damaged my factory control arm.

I posted a picture showing the size difference of a factory vs the BMR I have now installed.


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post #6 of 7 (permalink) Old 1 Week Ago
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I have a 2011 GTCS, lots of power upgrades, recently went with a Steeda lowering set up, springs, struts, shocks, LCA, etc..
Two months ago I had the front LCA replaced with the Boss 302 version, Steeda bump steer kit installed. Before you change to a stiffer set up, there is a TSB for the electronic shudder, mentioned above. Get it flashed, not sure if it is a guaranteed fix. I was unaware of the issue, guy at Steeda forgot to mention the possibility of this scenario. Wife picked up car, shudder kicked in first at 80mph! Luckily didn’t wreck her!! Bottom line, Get it checked. I ended up upgrading to the Boss 302R steering rack. Expensive but fixed the problem. I was leery about taking car to a dealership since it S/C with a custom tune. Btw, I love the Steeda suspension.

2011 GTCS, 3.42 6sp ARH LT headers, race cats, x-pipe, FR SVT mufflers, Roush Stage 1 Supercharger, Axle Exchange 4" Aluminum DS, SPEC stage 2 clutch, JLT Cold Air intake, FR Short Shifter, Tune by Breenspeed, Kenny Bell BAP, Blowfish shifter bracket, JLT PCV, FR forged wheels 19"x9, 19"x10, FR GT-500 Bremo brake kit: 15"front/ 13.8"rear, Steed LCA, Steeda tower brace
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post #7 of 7 (permalink) Old 1 Week Ago
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To elaborate further: In layman’s terms it is an electronic feed back loop that causes a harsh vibration / short sharp oscillation in the steering rack. It is a known problem in the 2011s. Before the front LCA install, I had 79000 miles on my car and never experienced it. Now because of it happening several times while my wife was taking back to the shop, and also did it to the mechanic, in now have slight knock in steering column.

2011 GTCS, 3.42 6sp ARH LT headers, race cats, x-pipe, FR SVT mufflers, Roush Stage 1 Supercharger, Axle Exchange 4" Aluminum DS, SPEC stage 2 clutch, JLT Cold Air intake, FR Short Shifter, Tune by Breenspeed, Kenny Bell BAP, Blowfish shifter bracket, JLT PCV, FR forged wheels 19"x9, 19"x10, FR GT-500 Bremo brake kit: 15"front/ 13.8"rear, Steed LCA, Steeda tower brace
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