Hey guys, I've searched all over the web and gotten some partial answers. The 4L80E transmission in my 1994 K3500 dually lost reverse suddenly. All forward gears seem to work ok. Fluid level, color and smell are good. No codes are set for transmission or engine and these were read at idle and at 25mph. I ran the 25mph in 1st gear test and there is no compression braking. I really need to find the inexpensive fix as the Mrs. and I are both "between" jobs. Does anyone have specific info about the band anchor pins, servo, solenoid or whatever gets me back on the road? Thanks for any enlightenment on this. - Jeff