Okay so in the past few weeks shifting in my 2002 Jetta TDI has goften increasingly difficult. It's only upshifting, downshifting is fine, as is when idle or off. It's hard to get into 2nd, 3rd, and 4th. Sometimes its hard to get it out of 1st and into 2nd. It's not so bad that my arm hurts, but...