it was just well and truly in there!! Few (gentle) love taps with the hammer and hey presto, the noise that has annoyed me since having the car has gone!! Turned it about 10° and clamped it back up! checked with the vagcom lite and its now reading from block 7co-ord sender 1 - 60co-or sender 2 - 7altitude correction 1.00the end one (forgot what it said) 0Get bloody in!!!!!!!!!!!!!!