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Old 07-19-2017, 06:20 PM   #3
Rameus
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Join Date: Mar 2015
Drives: 2015 FR-S
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I'm not familiar with the Koni design. If you want to use a strap wrench to hold the shaft from spinning my answer below applies. If you mean something else, I can't help.

I tried to hold the stock damper shafts from rotating using strap wrenches this past weekend actually. It can work but I found it to be a pretty big PITA. First of all, be careful not to scratch the damper shaft at all (my wrench handles are plastic, so I didn't have a big issue with this). Also, it can be difficult to hold up the dust covers and get the wrench through the spring coils at the same time. May not be an issue on your Koni setup, but on my stock rears I had to make a cut in the dust cover to get enough space to fit the wrench in. If using spring compressors, try to set them up in a way that you leave enough space between the spring coils for your wrench.

Also, despite my best efforts to get the strap wrench tight, I still couldn't stop the shaft from turning every time I operated my impact wrench. It would probably be best to carefully watch the shaft to see if its rotating just as you start wrenching, whether by ratchet or impact driver, to confirm its held tight. Readjust your wrench if you see the shaft slipping. I've learned my lesson and will just get pass through sockets next time.
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