Cars Q&A

Dear shiv, i ve question, my i20 asta, now 6000km, runng satisfactory, but since last week, i observed small abnormal noise, which hyundai service technician told me, something called Urithene pad to be fitted, could u please expain me what exactly is that. and the tecnician also told me this pad is out of stock, which will take atleat couple of months hyuadai to supply . many thanks rithesh