2004 RSX Shifting issue
 

I have a 2004 Acura RSX and I recently replaced the slave cylinder because I wasnt able to shift into any gear. After replacing the slave cylinder all the gears worked flawlessly, except reverse gear. It will not even budge no matter what I do. Its as if that gear isnt even there. I have done a little research on the issue and most of what I could find was that the shift linkage needs to be adjusted. Is that what the issue is? thanks!