Do you have a radiator leak and trying to stop it? Look at what didn't work for me and what did as well as a custom mod to more effectively utilize space between the radiator and the engine. I have a D22 Nissan with a ZD30. Source 8h
servicing leaking radiator d22 is strange but it servicing leaking radiator d22 zd30 should have been analyzed promptly to see understanding to get the facts.