I'VE GOT A BEAUTIFUL BLUE '94 SHO THAT I CAN'T GET OUT OF 1ST GEAR. FLUID'S GOOD NO PRIOR PROBLEMS EXCEPT WHEN IT WAS COLD IT WOULD SHIFT HARD FROM 1ST TO 2ND. MY TEENAGE SON GOT ON IT HARD WHILE IT WAS COLD AND NOW IT WON'T GET OUT OF 1ST. ANY SUGGESTIONS BEFORE I GO TO THE TRANS SHOP?