A deep knocking noise (especially under load) on a Hyundai 1.6 or 2.0 GDI is potentially the famous Theta II engine bearing failure — a recall-affected issue in many markets. Stop driving and check your VIN against open service campaigns immediately.
Bob's Mechanical Repairs — independent family-run garage in Birnam, Dunkeld, Perthshire. Call 01350 727 276 or email [email protected].