gooday my friend!!

well, i know an excelent mechanic, but its not only for nissan, all types of cars.
i dont knw if this will help you
its on salwa road after MID.MAC roundabout, take your 1st turn right, it is before the petrol station, and it is called (alhijazi) it is a green sign. there are other mechanicas beside it.
i tried them, i have a nissan x-trail, and hes good. you can ask for waseem, he works there

well,,hope this will help

have a good day sir

salam