[Help with install billet servo's]

Im still havin gtrouble.today we took the 4 gear servo out and put the old one in it shifted into fourt but the other gears seem like they slip or dont shift as hard as they did so we put the billet 4th back in made sure its seated and it still wont shift ..i have no idea will this extender cap help and fix the problem is this a common thing i though you would just replace simple and ride on what the hell is the deal help help help???

[Help with install billet servo's]

does anyone know this for sure and can it be corrected with a washer help asap thanks?????????

[Help with install billet servo's]

Me and a freind just installed the main and 4th gear billet servos in my 04 ss awd.problem is it is not shifting into 4th gear.i feel it shift 2,3 but i can run down the interstate 3200rpm at around 70mph and that seems like there should be another gear but nothing. i even went up to 4000 rpm and it just stayed in that gear someone help is this normal or something wrong????????