Yes guessing it’s corroded.
Got a replacement one from Tango123 on the S2Forum.
We’ve had a nightmare with the cars lately.
S2 water manifold exploded.
Ur failed MOT on wishbone bushes on Friday, then, literally as it arrived back from the MOT we watched the passenger side headlight blow.
The S3 had an Evac fault again (it was all replaced about 4-months ago),, got that cleared whilst watching the Quattro fail, went to start the S3 to come home…Battery flat/dead … Even though it’d just driven 9-miles. We suspect the evac fault was actually caused by the low/failing battery.
Incredible day Friday.