Well, there's really no way to round it if you're using the right size crescent wrench. If you're trying to use an adjustable wrench or anything other than the right size, stop.
Get the right size wrench on it, hold it firmly, and give it a good smack with your hand to break it loose.
The thread should be normal - counter clockwise to loosen.
And make sure you've bled the fluid out of the system before opening that nut. Any residual hydraulic pressure will make it harder.
Get the right size wrench on it, hold it firmly, and give it a good smack with your hand to break it loose.
The thread should be normal - counter clockwise to loosen.
And make sure you've bled the fluid out of the system before opening that nut. Any residual hydraulic pressure will make it harder.