Hi, does anyone here have the tein monosport coilovers installed? They replace the tein monoflex. I've had a peculiar issue that after 6-12 months of installation, there's a thudding sound from both rear coils whenever I go over sharp air gaps/undulations on the road at low speed. It isn't a pillow ball issue though, the local distributor says it may be due to the internal valves and it's not something to worry about. They say There's no guarantee it would go away after a service either. There's no sound at high speeds or going over humps.
Anyone know what the problem could be or face similar issues?
Anyone know what the problem could be or face similar issues?