Originally Posted by Tech23
Cool, do that. I still have like eight Audi 5000 fuel pumps stored. I gathered them up while they were being recalled for "noise". The Audi fuel pump I used was silent, I also used rubber firwall grommets with metal inserts to mount the pump brackets to the lid. I added the rubber grommets to reduce pump noise. Does Pine Sol harm or "swell" rubber? Safety Kleen does and it never hurt the fuel pumps.
Pine sol will swell rubber if left to soak for long periods. I just waited for them to return to normal, and then installed those pieces again. YMMV.