Sorry to write directly, I drive to Atl.2/wk., 93LS400 160000 miles. Flushed trans. in Feb. with T4, old oil a little dark not burned, clean pan. recently slow to upshift 1st to 2nd. Now shudders and hard downshifts 2nd-1st. Would new solenoid help, or worse problem? jock358@cox.net Thanks, Carson
