Mechanic question spanish to english translation?

I went to my mechanic today because my car had been making a funny noise on the left tire when he looked at it he told me that it was the CV joints and that i might have to replace "el Brazo" too idk what el brazo is he is a great mechanic but his english isn't that great and i need help. What is el brazo in english mechanical terms?Mechanic question spanish to english translation?
axle
Is the noise a popping noise that occurs when you are turning left? If so then yes your mechanic is right. If you didn't understand what he meant, you could have asked him to show you.Mechanic question spanish to english translation?
brazo in spanish means arm or arm joint, sometimes referring to the elbow, in mechaninc terms he may have to replace a joint somewhere on the carMechanic question spanish to english translation?
el brazo actually means arm