Would that happen to be the same company who wont recall vehicles that allow toxic diesel fumes to enter the cab, from a not fit for purpose, EGR pipe. Or perhaps the same company who neglect to recall vehicles with (fire hazard) headlight units, with dodgy electrical contacts.
Funnily enough I had one of those little diverter valves fitted by VW after my heater matrix burst on my mkII GTI. New matrix and valve were supplied and fitted free of charge. Despite the car being 10 years old or more.
Back in the day when the strap line ' If only everything in life was as reliable as a......' actually meant something.