ST165 suspension install q

Suspension and other discussion

ST165 suspension install q

Postby ReDRuM » Mon Oct 26, 2015 4:50 am

So I converted the rear struts to install the KYB inserts. I'm also changing the springs to aftermarket. I had to drill out the new bushings for the AGX's to fit thru.
Now I've run into a slight glitch. I tighten up the top nut on the strut insert. This then prevent the strut bushing from rotating. When I install the strut and springs the strut bushing bolts don't line up with the bolt holes ( I have Intrax springs so the original impression in the rubber boot won't work. So I guess I have to compress the spring form two angles whilst its partially installed and bolted in. Seems like a very awkward task. After I compress the springs I'll be able to turn the strut bushing ...
There is not a metal plate thingy below the strut bushing as there is for the fronts.
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Re: ST165 suspension install q

Postby ChrisD » Mon Oct 26, 2015 5:31 pm

Bushing in the strut mount I assume? What strut mount are you using? If there is no plate what was the original spring resting in at the top?
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Re: ST165 suspension install q

Postby underscore » Mon Oct 26, 2015 6:00 pm

Your best bet might be to take a picture of the setup so we can see what's going on
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Re: ST165 suspension install q

Postby ReDRuM » Mon Oct 26, 2015 6:50 pm

yup no upper plate on my ST165
I'll get a picture later
The rubber boot has a thick lip to it like a hat . It sits in and over the upper coil of the spring. On top of this is the stock strut bushing which as you know is triangle shaped.
So the coil spring fits into the depression in the lip of the boot from underneath and the strut bushing has made a depression on the top of the lip of the rubber boot. SO I just matched these up these when I re-installed the stock set up, thinking this was just usual for this car. Seemed weird and a PITA - still has to persuade the mount to line up with a hammer and flat screw driver on the bushing mount bolts up top .
The decided the get these springs which Chris D was kind enough to send me .. I hadnt finished the fronts so I figured why not, and decided to take it apart again ( A well of a lot easier the second time of course )

The setup seems to make sense because the strut rod threads extend appropriately above the strut bushing. I there was a plate there I think thread portion would be too short. The boot lip is about 8 mm thick. Or maybe a should ditch this boot and see if I can place a plate in there instead. Id did already buy the strut boots but the stock ones are in decent shape apply to this setup
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Re: ST165 suspension install q

Postby Killtodie » Mon Oct 26, 2015 8:27 pm

I did the same thing to my car.

are you talking about the rear upper strut mounts? Those need to e drilled out to compensate for the thicker shaft.
The key doesnt work with the KYBs, just enlarge that hole, and tighten the nut. I've had no issues after 10k miles.

also, did you use the MR2 fronts in the rear and MR2 rears in the front
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Re: ST165 suspension install q

Postby ReDRuM » Mon Oct 26, 2015 11:14 pm

Funnily enough I thought of doing the same thing, using the MR2 setup in reverse. I own 2 MR2T's. But I didn't have the balls to experiment and just followed the usual instructions. The front inserts are still simple drop in .
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Re: ST165 suspension install q

Postby Killtodie » Tue Oct 27, 2015 3:54 am

ReDRuM wrote:Funnily enough I thought of doing the same thing, using the MR2 setup in reverse. I own 2 MR2T's. But I didn't have the balls to experiment and just followed the usual instructions. The front inserts are still simple drop in .


Yes, you put them in in reveres. I contacted KYB and got their strut info on depression, and resistance and stuff, and that makes the most sense.

What exact issues are you having? I did this like 5 months ago and can assist.
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Re: ST165 suspension install q

Postby ReDRuM » Tue Oct 27, 2015 5:34 am

strut1.jpg
so this is the stock rear strut and spring on my car. There is no upper plate, just the rubber lip of the boot separates the top of the spring coil and the strut bushing. And when the strut rod nut is tight the bushing cannot be rotated. So you'd have to be quite lucky to get the orientation the bushing just right prior to the install.
strut1.jpg
so this is the stock rear strut and spring on my car. There is no upper plate, just the rubber lip of the boot separates the top of the spring coil and the strut bushing. And when the strut rod nut is tight the bushing cannot be rotated. So you'd have to be quite lucky to get the orientation the bushing just right prior to the install.
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Re: ST165 suspension install q

Postby Killtodie » Tue Oct 27, 2015 4:21 pm

hmm. I cant recall having issues like that.

I do know that the stock rear strut top mount hole needs to be enlarged. If there was an issue with the rotation being locked, it wasnt an issue when I installed them back in.
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Re: ST165 suspension install q

Postby ChrisD » Tue Oct 27, 2015 5:47 pm

Ah OK. So the issue is that when you put the intrax spring on the angle of the strut mount goes wonky. Thanks for the pics, that helps me remember what it looked like. All looks normal. I used those springs with the factory rubber boot and factory mount. Depending on which strut you do have to drill it out, just mind how you plan to tighten the top nut. For the mount orientation itself can you rotate it to one of the other positions? I don't recall having an issue but it was a while since I installed them. There should be a painted mark on top of the mount telling you which side is supposed to face out
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Re: ST165 suspension install q

Postby ReDRuM » Wed Oct 28, 2015 5:16 am

Yup I drilled out the strut bushing.
I clamped down on the strut rod but over the boot so as not to damage the shaft.
Setting the strut bushing is the issue as once you release the spring the bushing cannot rotate. I have it sitting in the car currently. Im not sure if there's a mark on the bushing that will correlate with what's its position shoulde be , but yes with the different spring it all changes.
I'll see if I can apply a single spring compressor whilst its there, and hopefully rotate the bushing to its correct position if its loose enough. It's getting to be pain compressing and uncompressing springs . lol .
Will hopefull get to it at the weekend. Thanks for you input guys.
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Re: ST165 suspension install q

Postby underscore » Wed Oct 28, 2015 6:50 am

This might be a stupid suggestion, but what happens if you don't tighten the top nut down fully?
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Re: ST165 suspension install q

Postby ReDRuM » Thu Oct 29, 2015 4:54 am

The spring is still compressed enough to prevent the bushing from rotating. The spring has to be compressed to space between the rubber boot lip and the bushing.
It\s almost better to just switch to coilover rather than fooling around with just shorter springs
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Re: ST165 suspension install q

Postby ReDRuM » Fri Oct 30, 2015 4:18 am

For those who might undergo the same process and are installing aftermarket springs, Ive just realized that it might be wise to note the position of the strut bushing in relation to the strut housing when the stock set up is removed. You might get lucky and match the bolts holes in the chassis.
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Re: ST165 suspension install q

Postby 88gt4DE » Fri Oct 30, 2015 10:30 pm

Yeah I had no problems either ... prol 8,000 in ...
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