Outer Limits 4x4 Board

i have a ln106 and found a vibration the other day and found a stuffed rear uni however when reversing i can hear a clunking type noise first thought uni so renewed that but noise is still there its only in reverse all forward gears sound fine. have i done my diff or reverse gear?

thanks dave

ps vibration has gone have leaking pinion seal rear diff

found the problem i had the car looked at and i have chipped a tooth off reverse. now does anyone know a decent place in newy to get it rebuilt.

thanks
dave