Defending world champion was already forced to tenth place for Spanish F1 race following the gearbox glitch trouble during the early stage of qualifying Q3 before he had chance to complete a timed lap in the final session.
Recently Red Bull confirms via their twitter:-
We can confirm that Sebastian's gearbox will be changed for tomorrow's race. #SpanishGP
— Red Bull Racing (@redbullracing) May 10, 2014
Vettel gets the standard five-place grid drop, as the results he will start from 15th.