Sure if your spring is too short and not captured under full droop this can happen. I have some spare Used helper springs and spacers we can install if you need them. the helper springs are fully compressed in normal situations but keep a small amount of pressure on the spring by your Avatar I assume you drive a honda. but depending on the suspension design (strut or shock) they behave differently. AFAIK GC does not include any noise isolators, you can add them, but if you capture the spring it corrects 90% of the noise.