If a hose isn't leaking, the next best suspect would be a core plug in the block has corroded and will need to be replaced. They are fairly easy to replace except that stuff like engine mounts and brackets get in the way. There is a special too available to make the job easier. It is just a set of various-size discs that screw onto a long punch, and they can swivel to get the right orientation for the new plug. You can buy the core plugs in a blister-packed set for the specific engine, and you can buy them one at a time, as needed. Most auto parts stores will have listings so they can get you the correct size plug. This is just a guess. You'll have to crawl underneath to look for where the coolant is leaking from. Typically there will be three core plugs in front and three more in back. These can also be referred to as "freeze plugs". People call them that because they often get pushed out by ice when there's not enough antifreeze and the coolant freezes. There's not much else that will leak coolant that fast.
Take a look at this article too, especially item #10.
https://www.2carpros.com/articles/car-is-leaking-coolant
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Wednesday, November 20th, 2019 AT 7:17 PM
