The list grows longer and longer for problems with the Lada...
As far as weird and wonderful rattles, the fan bolts came loose on me once on the way back down from the farm.
Checked everything I could and couldn't find anything wrong but before I pulled the timing cover off I started it with no belts on and then just the air con belt and found it was coming from the main belt so I put my spare on and it was still there.
After checking every other bolt on all the pulleys and changing the bearing in the idler I discovered the fan bolts were just loose enough to make the rattle but not enough to give it any movement by hand.
So chuck a 10mm over the fan bolts, it gives an evil rattle.

