Yup. Hole in the core plug. Little hole at 11 o'clock to the bead of water.
K seal is pish.
How much gap between back of head and bulkhead?
25 CMS?
Could do that in situ I would have thought.
Have you done one before?
Nope, that's it.Nope. Never. Only just found out what those recesses were after that little fountain appeared.
From what I've read the technique is:
Sounds ok? Any tips or other instructions?
- Drain coolant.
- Stab a screwdriver through the middle and prise the cap out.
- Clean up mating face in the block with emery.
- Hylomar the mating faces
- Insert new plug using (ideally) a socket the same diameter as the plug's OD and tap gently home.
Got blue. Is that ok?Red hylomar is best.