View Single Post
Old 17-06-20, 09:03 PM   #2
4 ring whore!
Classic Audi Club Member
Join Date: Nov 2007
Location: Polmont
Posts: 2,504

Used to be an old trick of denture cleaning tablets.

Block the drain and leave it to soak overnight with a couple of tabs. May need some agitation to get the worst stains off.
1991 90 quattro 20v sport
1988 90 quattro 2.6 TSR
1991 90 quattro
mikes2 is online now   Reply With Quote