Need some help, how to disingage the rear UCA ball joint. - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Calum · 05-07-2015, 10:50 AM

Hey guys, I'm trying to get some bushings installed and these ball joints are really holding things up. I've got all of the bolts out of the control arm. I can get some movement of the ball joint stem, but only about a quarter of an inch. After that it just comes to a hard stop.

Any help would be really appreciated!

wparsons · 05-07-2015, 11:09 AM

I remember reading somewhere you need some force to get them out, safest way would be a balljoint fork, but a big hammer will probably do the trick as well.

Do the rear knuckles have a pinch bolt, or just a bolt that locks in with a groove on the ball joint? If it's a pinch bolt you might have some luck opening up the knuckle a bit with a prybar (where the pinch bolt would hold it closed).

Calum · 05-07-2015, 11:17 AM

Quote:

Originally Posted by wparsons

I remember reading somewhere you need some force to get them out, safest way would be a balljoint fork, but a big hammer will probably do the trick as well.

Do the rear knuckles have a pinch bolt, or just a bolt that locks in with a groove on the ball joint? If it's a pinch bolt you might have some luck opening up the knuckle a bit with a prybar (where the pinch bolt would hold it closed).

I've got the pinch opened, that's the only way I was able to get any movement at all.

Thanks though, keep it coming guys.

Calum · 05-07-2015, 12:46 PM

Never mind. I was hoping for an elegant answer but in the end it just needed more brute force and ignorance than I was expecting.

wparsons · 05-07-2015, 12:46 PM

finch1750 · 05-07-2015, 01:11 PM

Yeah. Its a bitch. I just kept using a bigger hammer when I did mine

cdrazic93 · 05-07-2015, 03:22 PM

Dont forget the half of that engineers flow chart! If its supposed to move and it doesnt, WD40 that sum bitch

Calum · 05-07-2015, 03:52 PM

Quote:

Originally Posted by finch1750

Yeah. Its a bitch. I just kept using a bigger hammer when I did mine

Yeah, for a second I thought I was gonna need my ford hammer.

05-07-2015, 10:50 AM	#1
Calum That Guy Join Date: Dec 2011 Drives: 2013 asphalt FRS MT Location: Halifax, Nova Scotia Posts: 4,865 Thanks: 5,058 Thanked 2,867 Times in 1,499 Posts Mentioned: 82 Post(s) Tagged: 1 Thread(s)	Need some help, how to disingage the rear UCA ball joint. Hey guys, I'm trying to get some bushings installed and these ball joints are really holding things up. I've got all of the bolts out of the control arm. I can get some movement of the ball joint stem, but only about a quarter of an inch. After that it just comes to a hard stop. Any help would be really appreciated!

05-07-2015, 01:11 PM	#6
finch1750 Undisputed El Presidente Join Date: Jun 2012 Drives: Zenki 37J ZN6 Location: Stockton, CA Posts: 11,571 Thanks: 9,382 Thanked 9,397 Times in 5,261 Posts Mentioned: 374 Post(s) Tagged: 33 Thread(s)	Yeah. Its a bitch. I just kept using a bigger hammer when I did mine __________________ "Just like how a strut bar somehow enables you to corner 20MPH faster around a cloverleaf on-ramp, when the reality is, you can do it already but you just don't have to balls to do it." - CSG David Last edited by finch1750; 05-07-2015 at 02:40 PM.

05-07-2015, 03:22 PM	#7
cdrazic93 Junior Join Date: Aug 2013 Drives: a car Location: Probably at school Posts: 4,341 Thanks: 3,184 Thanked 2,512 Times in 1,502 Posts Mentioned: 20 Post(s) Tagged: 0 Thread(s)	Dont forget the half of that engineers flow chart! If its supposed to move and it doesnt, WD40 that sum bitch __________________ "Ah! What music! They could have never imagined, those pioneers who invented the automobile, that it would posses us like this, our imaginations, our dreams. Men love women, but even more than that, men love CARS!"-Lord Hesketh

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05-07-2015, 12:46 PM	#4
Calum That Guy Join Date: Dec 2011 Drives: 2013 asphalt FRS MT Location: Halifax, Nova Scotia Posts: 4,865 Thanks: 5,058 Thanked 2,867 Times in 1,499 Posts Mentioned: 82 Post(s) Tagged: 1 Thread(s)	Never mind. I was hoping for an elegant answer but in the end it just needed more brute force and ignorance than I was expecting.

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