VXOC Astra-J/GTC

Full Version: GTC Front Road Spring Query
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Hi All, I have a 2016 GTC. I have been undersealing the inner front wings and noticed a piece of hardened rubber block that is attached to three of the coils. It pushes in to place and seems to hold three of the coils a set distance apart. Its the same on both front road springs. Has anyone come across this or know what purpose (if any) they serve ? Any advice would be gratefully received. I need to put the car back together tomorrow and am not sure if I should refit them. Many thanks, Ed