Hi, this morning, na flat ako and I went to a car service center and saw they put plug/pasak (like spaghetti) on the hole. Pero pinalaki muna nila hole to insert it. Yet the technician couldn't insert it. Kaya linagay kunti oil to let it slip. Naka rinig ka ng ganya? But nowhere did I read in the net that it was ok to put some oil. I'm afraid it may either slip or the air inside may get into the belt/ply. What would happen if pa patch ko yun portion inside it to seal the belt/play on the plug/pasak spot?