Broken Trailing Arm! - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Captain Snooze · 03-03-2017, 04:33 PM

Turning into our drive way heard a bit of a thunk. Mmmmm, that doesn't sound good/normal. Car feels a little weird turning around drive way. Jack up the rear and start to remove wheel. Wow, the wheel seems to have more back/forward movement than what I remember. Peer in and wtf?!
Trailing arm has broken!

Tcoat · 03-03-2017, 04:43 PM

OH CRAP!
That is one piss poor weld. Oxidized all the way through.

strat61caster · 03-03-2017, 04:54 PM

That's an aftermarket link, here's what OE looks like:

Edit: This is Megan's picture of another Subaru, point is, it's not adjustable.

Captain Snooze · 03-03-2017, 04:56 PM

@strat61caster
Thanks Strat. Title of thread amended. Stupid memory.
Mmmmm, I wonder whose arm that is?

CSG Mike · 03-03-2017, 05:11 PM

Holy crap. Glad you're okay

strat61caster · 03-03-2017, 05:13 PM

Quote:

Originally Posted by Captain Snooze

Thanks Strat. Title of thread amended. Stupid memory.
Mmmmm, I wonder whose arm that is?

Nothing seemed to match the pictures that popped up google, but the yellow bushings would leave me to believe maybe you've got a Whiteline part designed for a WRX or something that they no longer designate as being for an 86?

Edit: nvm that's a subframe insert, nothing to do with the trailing arm, I'm clueless.

Ultramaroon · 03-03-2017, 05:30 PM

Quote:

Originally Posted by Tcoat

OH CRAP!
That is one piss poor weld. Oxidized all the way through.

Took its sweet time to fatigue. I see the weld but more than that failed. Can't really make it out.

Tcoat · 03-03-2017, 05:41 PM

Quote:

Originally Posted by Ultramaroon

Took its sweet time to fatigue. I see the weld but more than that failed. Can't really make it out.

Looks to me like the threaded stud was just butt welded to the rest. Not well welded either. The rust at the joint means that there was a big enough gap in the weld and between the components to let water get in there.

zc06_kisstherain · 03-03-2017, 05:44 PM

dammmm

Captain Snooze · 03-03-2017, 05:46 PM

Picture removed until manufacture can be traced/contacted.

I'm just thankful it happened doing about 5 km/hr!

Ultramaroon · 03-03-2017, 07:44 PM

Quote:

Originally Posted by Tcoat

Looks to me like the threaded stud was just butt welded to the rest. Not well welded either. The rust at the joint means that there was a big enough gap in the weld and between the components to let water get in there.

That is exactly what I realized, driving home this afternoon, that it had a machine thread!

What a fucking catastrophe. SMH. Who sold that POS?

Tcoat · 03-03-2017, 07:54 PM

Quote:

Originally Posted by Captain Snooze

Picture removed until manufacture can be traced/contacted.

I'm just thankful it happened doing about 5 km/hr!

Artist rendition (not to scale)

Ultramaroon · 03-03-2017, 08:43 PM

lol gold

cjd · 03-03-2017, 10:35 PM

Quote:

Originally Posted by Tcoat

Artist rendition (not to scale)

That looks like a dirty robot picture... What are you saying about his trailing arm?

03-03-2017, 04:33 PM	#1
Captain Snooze Because compromise ® Join Date: Jan 2012 Drives: Red Herring Location: australia Posts: 7,719 Thanks: 3,992 Thanked 9,339 Times in 4,125 Posts Mentioned: 60 Post(s) Tagged: 0 Thread(s)	Broken Trailing Arm! Turning into our drive way heard a bit of a thunk. Mmmmm, that doesn't sound good/normal. Car feels a little weird turning around drive way. Jack up the rear and start to remove wheel. Wow, the wheel seems to have more back/forward movement than what I remember. Peer in and wtf?! Trailing arm has broken! __________________ My car is completely stock except for all the mods. Last edited by Captain Snooze; 03-03-2017 at 05:45 PM.

03-03-2017, 04:43 PM	#2
Tcoat Senior Member Join Date: Jul 2014 Drives: 2020 Hakone Location: London, Ont Posts: 69,845 Thanks: 61,656 Thanked 108,283 Times in 46,456 Posts Mentioned: 2495 Post(s) Tagged: 50 Thread(s)	OH CRAP! That is one piss poor weld. Oxidized all the way through. __________________ Racecar spelled backwards is Racecar, because Racecar.

03-03-2017, 04:56 PM	#4
Captain Snooze Because compromise ® Join Date: Jan 2012 Drives: Red Herring Location: australia Posts: 7,719 Thanks: 3,992 Thanked 9,339 Times in 4,125 Posts Mentioned: 60 Post(s) Tagged: 0 Thread(s)	@strat61caster Thanks Strat. Title of thread amended. Stupid memory. Mmmmm, I wonder whose arm that is? __________________ My car is completely stock except for all the mods.

03-03-2017, 05:46 PM	#10
Captain Snooze Because compromise ® Join Date: Jan 2012 Drives: Red Herring Location: australia Posts: 7,719 Thanks: 3,992 Thanked 9,339 Times in 4,125 Posts Mentioned: 60 Post(s) Tagged: 0 Thread(s)	Picture removed until manufacture can be traced/contacted. I'm just thankful it happened doing about 5 km/hr! __________________ My car is completely stock except for all the mods.

03-03-2017, 08:43 PM	#13
Ultramaroon 義理チョコ Join Date: Sep 2014 Drives: a 13 e8h frs Location: vantucky, wa Posts: 31,864 Thanks: 52,120 Thanked 36,513 Times in 18,917 Posts Mentioned: 1106 Post(s) Tagged: 9 Thread(s)	lol gold __________________ service manuals

03-03-2017, 05:11 PM	#5
CSG Mike Join Date: Jul 2012 Drives: S2000 CR Location: Orange County Posts: 14,528 Thanks: 8,917 Thanked 14,175 Times in 6,834 Posts Mentioned: 966 Post(s) Tagged: 14 Thread(s)	Holy crap. Glad you're okay

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