Which Volvo? Our '19 V60 just went through this. Attempt 1 was replacing seal which had shrunk (TSB). Attempt 2 was changing out frame and drains. All under warranty - but car was in the shop for about a month in total.
Reading the challenges with the mirror tap in this thread caused me to try all sorts of alternate solutions - but ultimately the thing that worked was the recommended Amazon tap with the smaller prongs - just barely. As others reported, it was really difficult to get the positive in with the...
I have been lurking on the forum a while and this thread is what finally gave the me incentive to join. Got my 7MT Badlands a month ago approximately. Had this exact noise since day 1. Glad there is a TSB for it.