I'm doing some maintenance at engine bay of my Q4.
How many threads are securing this? (battery tray)
http://www.alfarchive.co.uk/Tech/Q4clean/batt2.jpg
(Sorry for using this image but that was the fastest way of showing what I want ...)
I can only see 3 trheads but it must be another...
I'll show some more photos later ...
I have 2 hoses broken down to buy ...