Bilstein B6 B8 rear strut assembly - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Firestorm_86 · 08-19-2014, 01:44 PM

Hey guys,

This might be really simple, but I'm a first-timer.

There's a 'ring' around the damper shaft that the perch sits on. But I noticed the perch has a groove cut in it which the 'ring' could fit in so it doesn't slide up and down.

But I could also see the spring, when installed, applying enough pressure that the perch just sits on the 'ring'. Do I need to remove the ring, install it in the perch, then slide it down? Or does the perch just rest on the ring, on damper?

EDIT: IT HAS BEEN CONFIRMED with BILSTEIN USA that the spring seat sits on the ring.

Firestorm_86 · 08-19-2014, 02:43 PM

@FT-86 SpeedFactory and @Racecomp Engineering and @CSG Mike, any ideas?

CSG Mike · 08-19-2014, 03:18 PM

It looks like a snap ring. "Squeeze" the ring so it's flush on the damper, push down the perch, and it'll "pop" into place and lock the perch.

Poodles · 08-19-2014, 03:20 PM

It just rests on the ring. Bilstein has been doing this for decades (many of their shocks have multiple spots to put the ring on the shock to allow you to lower the car).

If in doubt though, there should have been directions that came with the shocks.

Firestorm_86 · 08-19-2014, 04:19 PM

Quote:

Originally Posted by CSG Mike

It looks like a snap ring. "Squeeze" the ring so it's flush on the damper, push down the perch, and it'll "pop" into place and lock the perch.

It can't squeeze. It's sitting flush in the damper's groove. That said, I can pop it out, put it in the groove inside the perch, then slide the perch/ring down the damper.

I won't be able to get it off after that though. And I'd really hate for that to be the wrong way...

Quote:

Originally Posted by Poodles

It just rests on the ring. Bilstein has been doing this for decades (many of their shocks have multiple spots to put the ring on the shock to allow you to lower the car).

If in doubt though, there should have been directions that came with the shocks.

Yeah, I may just install it sitting on top and if it's funny/too high. I can always go back and install it with it sitting in the perch. That said, the instructions only say to compare the stock damper height vs the install height. So I guess I'll know once I have them side by side...

I've reached out to Bilstein:

IT HAS BEEN CONFIRMED with BILSTEIN USA that the spring seat sits on the ring.

08-19-2014, 01:44 PM	#1
Firestorm_86 Senior Member Join Date: Sep 2013 Drives: FRS Location: ATL Posts: 297 Thanks: 114 Thanked 67 Times in 44 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	Bilstein B6 B8 rear strut assembly Hey guys, This might be really simple, but I'm a first-timer. There's a 'ring' around the damper shaft that the perch sits on. But I noticed the perch has a groove cut in it which the 'ring' could fit in so it doesn't slide up and down. But I could also see the spring, when installed, applying enough pressure that the perch just sits on the 'ring'. Do I need to remove the ring, install it in the perch, then slide it down? Or does the perch just rest on the ring, on damper? EDIT: IT HAS BEEN CONFIRMED with BILSTEIN USA that the spring seat sits on the ring. Last edited by Firestorm_86; 08-19-2014 at 06:49 PM.

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08-19-2014, 02:43 PM	#2
Firestorm_86 Senior Member Join Date: Sep 2013 Drives: FRS Location: ATL Posts: 297 Thanks: 114 Thanked 67 Times in 44 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	@FT-86 SpeedFactory and @Racecomp Engineering and @CSG Mike, any ideas?

08-19-2014, 03:18 PM	#3
CSG Mike Join Date: Jul 2012 Drives: S2000 CR Location: Orange County Posts: 14,534 Thanks: 8,926 Thanked 14,180 Times in 6,836 Posts Mentioned: 966 Post(s) Tagged: 14 Thread(s)	It looks like a snap ring. "Squeeze" the ring so it's flush on the damper, push down the perch, and it'll "pop" into place and lock the perch.

08-19-2014, 03:20 PM	#4
Poodles Senior Member Join Date: Oct 2013 Drives: 2015 Series.Blue Location: Fort Worth, TX Posts: 1,781 Thanks: 88 Thanked 781 Times in 481 Posts Mentioned: 16 Post(s) Tagged: 0 Thread(s)	It just rests on the ring. Bilstein has been doing this for decades (many of their shocks have multiple spots to put the ring on the shock to allow you to lower the car). If in doubt though, there should have been directions that came with the shocks.

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