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Core Plug on a Daewoo Espero - madone1
Hi, I have a coolant leak from a core plug, can anyone tell me if this is a DIY job for someone who is Not a Tech and best described as "Mediocre" at DIY?

Thanks

Mark
Core Plug on a Daewoo Espero - Aprilia
All depends on access to the core plug.

If it is readily accessible you can poke the old one out and tap a new one in - pretty easy really.
Core Plug on a Daewoo Espero - Dynamic Dave
I had a leaky core plug on my old Cavalier which was right behind the exhaust manifiold, and impossible to replace without 1st removing the mainfold. I ended up fixing it with radweld. 3 yrs later it was still leaktight.