for all those with octavia a/c problems... my a/c stopped working..no cooling. vag com showed no fault codes.....usually what is recommended is a new compressor @ cost 600 euro plus installation after much research..and help from an a/c friend of mine.;; we discovered that the common problem with these is the compressor regulator valve[n280].. all that needs to be replaced is this part. i have found these are hard to find because the part number is not always the same as vag parts. but th