Learn French: Il y a une fuite dans la cuisine. - There is a leak in the kitchen.

You would use faire + infinitive! To say "I need to have it fixed", you would say Je dois la faire réparer or Il faut la faire réparer. The direct object pronoun la (referring to la fuite) is placed right before faire.

The noun for "a leak" is une fuite. How do I say "to leak"?

The verb is fuir. To say "The pipe is leaking", you would say Le tuyau fuit. Interestingly, fuir also means "to flee" or "to escape" — which makes perfect sense when you think about water escaping a pipe!

Could I say à la cuisine instead of dans la cuisine?

Dans la cuisine is the best choice here because you are talking about the physical, enclosed space of the room where the leak is located. While you might occasionally hear à la cuisine, dans is much more standard and natural in modern French for rooms of a house.

Is the ui in fuite pronounced like the English word "wheat"?