Just a quick update as i think i have hopefully sorted it. I have no idea how the interlock cam disengaged from the selector, but i ended up carefully removing the circlip on the selector, then sliding the collar back. I could then push the selector back into position and re-engage the peg...

Thanks - i had a closer look in the light this morning and it looks like that collar should slot into to the selector(?). This is mine - the selector is pushed all the way over to the right. I tried to lightly push it back, but it felt pretty jammed and i didn`t want to break anything. You...

Thanks - i`ll check that tomorrow night (or morning before work maybe!) - hopefully thats what it is. I did only only line the selector quadrant up and wasn`t sure about the raised collar.

Here`s the link to the original ebay ad - you can see the selector mechanism in the box in one of the pics, if you use the enlarge faciltiy. Anything look fishy in there...

Hi, Grub screw is tight in the unit itself. Yes, i removed the whole selector unit from the top of the box so i could access the selector in the top of the gearbox. On my old 50A LT77, the selector moves all the way to the right, then slots back into what i presume is 5th gear. On the 51A, it...

Hi, I `ve just fitted a replacement gearbox to my defender. To be fair, it is off unknown quantity, but i was told that it was removed froma running car and was working fine. The problem is that, i`ve just fitted and put my gear selector back on (the whole gear shift and diff lock mechanism...

Didn`t work in my case! :D

Cheers - Just looked that up - Automatic Transmission Fluid - in a manual gearbox!

Hi, I`ve had my 200tdi defender for a few weeks now. It has an LT77 gearbox and the synchro is worn for 3rd gear and i have to double declutch it to drop down to it. Out of interest, i thought i`d check the oil level. I unscrewed the side filler expecting to dip my finger in to see if...