If this is for the TDV8, I think this is the workshop manual:
https://drive.google.com/folderview?id=0Byv5LFgQZqlWbU92MVNfUHlXRUE&usp=sharing
You may have better luck with answers if you search for the very many dedicated Range Rover forums. Here's just one of many:
https://www.fullfatrr.com/forum/post299391.html
Ougsdg, July 2021