I couldn't find any 10mm inside dia hose. I did find the Gates from Carquest 5/8" was about 9.5mm vs Napa 5/8" was about 9mm. I put a little Vaseline on to make it slide on easier. It would be a good thing to have on hand or just replace the return line now if you have hi mi as me and Christo...
There is a line of foam under the radiator that soaks up with water. The PS cooler line touches it as it goes under the radiator. The steel PS cooler line is rusted in the area that the soaked foam is. Do I need the foam in that area? Can I cut it out the foam, clean the rust off the line and...