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Old 05-13-2008, 06:10 PM   #1
skribblez32
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Default D-Specs help. How to tighten Top nut on strut?

How do you tighten the top strut nut without the shock spinning? I did it fine with the stock strut, but don't know how to do it with the the tokico's? Do i use a smaller allen wrench to keep the shock in place? I just don't want to mess up the adjuster.

A fast reply would be ideal!! Thanks.
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Old 05-13-2008, 06:16 PM   #2
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2 ways. Use a rubber strap wrench(like for your oil filter) and tighten it around the shaft to keep it from spinning while tightening the top nut OR wrap something like a rubber mousepad around the shaft and THEN clamp a pair of vise grips around the mousepad to hold the shaft while tightening the top nut.
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Old 05-13-2008, 06:19 PM   #3
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thanks, i'm going to try it right now. gotta get a strap wrench.
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Old 05-13-2008, 06:30 PM   #4
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Since the strut shaft is hollow on the D-Spec you are just trying to put enough pressure on the shaft to stop the rotaion while tourquing the top nut without distorting the shaft. Strap wrench does it better than vice grips, but vise grips are quicker.
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Old 05-13-2008, 06:40 PM   #5
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i think i'm going for the strap wrench. just waiting for my friend to get here. thanks quickwagon, you're a lifesave!
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Old 05-13-2008, 07:06 PM   #6
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Been there done that! No prob. Always glad to help.
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Old 05-13-2008, 07:52 PM   #7
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Ok the clunking is not as bad. But there is till movement in the right rear strut because the strut kept spinning even with the strap wrench. The other three I have about 5 threads showing and they're quiet. But the rear right has only 3.5-4 threads showing and I need to tighten it like 1mm or 2 more to make t flush.

I didn't even get a chance to torque the other three down because the strap wrench kept failing. Is 5 threads enough? Because they seem quiet to me and flush. I'm going to try again tomorrow with a new strap wrench because the one we had today the rubber was not as tacky.

If you can link your tools or any other tips that would be great? I also think our strap wrench was a little too big for the diameter of the strut. Going to try it again tomorrow. If all else fails, I'll just take the whole assembly apart and hopefully tighten it that way.

I might have to try vice grips but I'm just afraid of damaging the strut.
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Old 05-13-2008, 07:56 PM   #8
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I would try to use the vise grip + mousepad method. You don't need a ton of pressure to keep the shaft from spinning since the rubber backing on the mouse pad is much grippier. You can also try one of those rubber jar lid opener type things. That should be fairly grippy.
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Old 05-13-2008, 08:00 PM   #9
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Awesome. I'm going to try the mousepad technique tomorrow or tonight. I'll let you know how that goes.

Did you torque your's down at all or just wrenched it till it was tight? I hope I can get enough friction to torque it down or I might just to have to be happy with it not clanking.
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Old 05-13-2008, 08:07 PM   #10
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As far as I know, there is no proper tool known to man that will tighten D-spec tops. I searched like crazy, and asked mechanics that have worked on this before. If you know otherwise, prove me wrong.

vice grip + rag worked for me. grab up high on the shaft, to avoid damaging anything (hehe)

after they are on, and the car is loaded, try torquing them. There will be some more resistance from the strut having weight on it. If you can't get it, hit it with the impact wrench. It will get it going. Torque it to 40 or so.
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Old 05-13-2008, 09:40 PM   #11
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Quote:
Originally Posted by mla163 View Post
As far as I know, there is no proper tool known to man that will tighten D-spec tops. I searched like crazy, and asked mechanics that have worked on this before. If you know otherwise, prove me wrong.

vice grip + rag worked for me. grab up high on the shaft, to avoid damaging anything (hehe)

after they are on, and the car is loaded, try torquing them. There will be some more resistance from the strut having weight on it. If you can't get it, hit it with the impact wrench. It will get it going. Torque it to 40 or so.
beat me to it.

Put weight on the car and then finish the torque.
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Old 05-13-2008, 10:40 PM   #12
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i tried torquing it down with the tires on the ground, but the strut still spins. I guess it's not tight enough with the strap wrench.

Also, I'm scared of using an impact wrench on the strut tops. The instructions said not to lol.
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Old 05-13-2008, 10:54 PM   #13
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Quote:
Originally Posted by skribblez32 View Post
Also, I'm scared of using an impact wrench on the strut tops. The instructions said not to lol.
I'm more scared to keep them loose. I seriously want to write to Tokico and ask how the hell these are supposed to be tightened without an impact wrench or putting a wrench around the shaft. (both of which are explicitly cautioned in the instructions)

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Old 05-13-2008, 11:05 PM   #14
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I'm more scared to keep them loose. I seriously want to write to Tokico and ask how the hell these are supposed to be tightened without an impact wrench or putting a wrench around the shaft. (both of which are explicitly cautioned in the instructions)

Will the impact wrench tighten the nut without spinning the shaft? I'll try that as a last resort if the mouse pad technique fails or the rag and vise grip technique fails.

I think the ones I have on now are torque to about 20lbs before it started spinning. I think the directions state 49lbs. Sigh...we'll see tomorrow how tight I can get them.
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Old 05-14-2008, 09:17 AM   #15
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Originally Posted by skribblez32 View Post
Will the impact wrench tighten the nut without spinning the shaft? I'll try that as a last resort if the mouse pad technique fails or the rag and vise grip technique fails.
The impact wrench used very briefly will snug the nut without spinning the shaft. Don't go crazy on it. For my rears, I put them on the car, then hit it with an impact, and then I could torque it.

I sent an email to Tokico last night about this. I don't expect an answer.
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Old 05-14-2008, 09:19 AM   #16
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I agree with the vise grips/mousepad method as close to the top of the shaft as you can get it.

I managed to torque mine to spec after they were on the car.
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Old 05-14-2008, 09:45 AM   #17
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I use an electric impact and hold the shaft with a pair of rubber gloves. Never had an issue. I know it says not to use an impact, but if you have it set on a low torque setting and hold the shaft from spinning you should be fine.

Tony
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Old 05-14-2008, 09:55 AM   #18
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Quote:
Originally Posted by Turn in Concepts View Post
I use an electric impact and hold the shaft with a pair of rubber gloves. Never had an issue. I know it says not to use an impact, but if you have it set on a low torque setting and hold the shaft from spinning you should be fine.

Tony
I'm too scared to impact Konis and D-Specs.
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Old 05-14-2008, 10:16 AM   #19
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I'm too scared to impact Konis and D-Specs.
I agree, never again.

I need to post my picture.
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Old 05-14-2008, 10:59 AM   #20
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I'm too scared to impact Konis and D-Specs.
I am not a fan, but I don't know a better way if the rag/mouse pad doesn't work (I found that an old bike innertube works well). I used an electric impact, it's pretty gentle, 250 ft-lbs max. Air impacts are like 1000 ft-lbs.
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Old 05-14-2008, 11:18 AM   #21
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We were able to torque mine on the lift with the strap wrench. To get them to spec I put a strip of emery cloth under the strap wrench as close to the top of the shaft as I could to increase the grip. I held it while a friend had the torque wrench. We got it to click the wrench, but there was a little flex. Once we got it on the ground there was maybe 15* of rotation on the torque wrench before it clicked so we were able to get it pretty close with the strap wrench. The enery cloth didn't leave any visible markings on the shaft. The mousepad method would be MUCH easier just be careful how tight you have them set so they dont damage the shaft.
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Old 05-14-2008, 11:38 AM   #22
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When u lower the car on the ground can't you just tighten it then? Won't there be enough weight that it shouldn't spin?

I'm about to do mine springs again tomorrow and I don't recall last time having any problems.
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Old 05-14-2008, 02:10 PM   #23
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I actually just talked to a Tokico mechanic about this, he said there are a few ways to do it.

1. Put the strut on, tighten the bolt as much as you can. Don't torque it. Take the car off the lift/jack. Load the strut with the weight of the car and torque it. (From my experience, this doesn't always work)

2. Use an offset wrench, apparently sold by snap-on to grab the strut top but, use another wrench to hold the strut and tighten (I couldn't find an offset wrench that fit, the craftsman one doesn't)

He said that he has used an impact many times before, but can't recommend it, because of potential damage to the adjuster.

I noted that success has been had with the "rag method" or using a strap wrnech. He said there is too much potential for damaging the shaft (even though this has been done plenty of times)

So, those are your options. Choose your poison
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Old 05-14-2008, 02:22 PM   #24
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Don't really see how you would hurt the adjuster considering it is entirely internal. The two reasons why one is not supposed to use an impact to tighten down the nuts are:
1. possiblity of snapping the top of the strut off
2. spinning the strut and destroying the seals

If you know what you're doing with the impact and can keep the strut shaft from spinning, you will be fine. I have done torque measurements of our impacts and know how much they put out at different pressure levals and trigger engagement points. Thus, I am not worried about the amount of torque being delivered to the top of the strut shaft. Based on my measurements, I deliver about 50ftlbs of torque to the strut top nut when tightening.

Tony
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Old 05-14-2008, 02:24 PM   #25
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I don't personally see how a rubber strap wrench could possibly apply enough pressure to the strut shaft to cause ANY type of damage. I would still vote for visegrips/mousepad, and gradually increase the locking pressure on the grips just so you don't collapse anything.
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