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New Koni Yellows don't rebound at the same rate, normal??
I bought a new set of Koni yellows and I noticed one of them (rear) rebounds noticeably slower than the other 3. I made sure all 4 are set at the same softest setting (factory default). All 4 shocks compress normally with similar resistance. Should I be concern about the slow rebounding one?
Sorry for making another thread about the Koni, don't have much knowledge on suspension:p. P.S. Regarding the slow rebounding one, I noticed if I lay the shock flat on the floor, as opposed to putting it upright like on the car, it will rebound at a much faster speed, similar to the other 3 at upright position |
I didn't compare the rebound amongst the shocks. My advice would be to call Koni and talk to someone in customer service.
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Yes, this is normal. I installed these in my BMW and experienced the same thing. I called them and they said that once you break them in, they will all normalize and have the same rebound rates. I never took them off to verify but the car behaves as I would expect on the road. Hope that helps.
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I emailed Koni and got a response within 20 mins. Impressive.
Here's what they said: Thank you for contacting us here at KONI shocks. The rate at which the shocks extends on its own is no reflection on the shocks damping force or function. The gas pressure inside the damper has no effect on the shocks valving, as the force is created at the piston and valve shim stack and foot valve. It is not uncommon for a shocks to rebound at different rates due to initial friction of the guide seal, and internal friction of the new parts. Mason O’Hara KONI North America 1961A International Way Hebron, Ky. 41048 859 488-0324 www.koni-na.com www.koniracing.com www.konirv.com |
Originally Posted by antirice
(Post 3884671)
I emailed Koni and got a response within 20 mins. Impressive. Here's what they said: Thank you for contacting us here at KONI shocks. The rate at which the shocks extends on its own is no reflection on the shocks damping force or function. The gas pressure inside the damper has no effect on the shocks valving, as the force is created at the piston and valve shim stack and foot valve. It is not uncommon for a shocks to rebound at different rates due to initial friction of the guide seal, and internal friction of the new parts. Mason O’Hara KONI North America 1961A International Way Hebron, Ky. 41048 859 488-0324 www.koni-na.com www.koniracing.com www.konirv.com
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You probably know this, but make sure you pay attention to how you assemble the lower spring pearch on the front shocks. It's possible to mount them upside down which will raise the front end.
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