Looking to flush the radiator today and I crawl under the car with a screwdriver after looking at the Haynes manual only to find no slots on anything under there. I saw two holes on the bottom with rubber sleeves around them filled with spider webs. Figured it was one of those but after the decobwebbing process flat metal @ the bottom. I need he'p!

Original radiators have a small plastic cap on one post, the places where you saw fit into a rubber sleeve is where it will be, usually on the driver side.

If that is not an original Behr (or Nissens) radiator, it might not have any drain. There are all-metal radiators with absolutely no drain provisions. In that case, just loosen the lower rad hose clamp and pull it off and that should drain it in a hurry!

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'95 E320 Wagon my favorite road car. '99 E300D wolf in sheeps body, '87 300D Sportline suspension, '79 300TD w/ 617.952 engine at 367,750 and counting!

Thanks for the input. Gonna go that route.