I hate to be the bearer of bad news. But eventually the whole reverse gear gonna break. your only hope is a tranny swap, and if you plan on re building the reverse gear you better do it quick, also reverse and 5th i think are entwined or something, so once reverse goes out 5th is gonna exp. some problems. I have the same problem on my 97 jetta gls. havent gotten it fixxed yet, i really should but parents gonna loose job soon
