Where to get the manuals is well known - but - each time they're published (the links), they disappear, so, I will only recommend that the OP do a search and they will find what they need, no doubt.
Each repair should invariably add to our knowledge base by the process of inexorable incrementalism.
Your job, in return, is to read the suggested threads, where the best people will always add value to those threads, either by pictures or by descriptions, so the next person with the same problem stands on your shoulders.
See also: E39 Bestlinks
& How to easily find what you need