Do you think this is the result of extended corrosion caused by water leaking into the cylinder? I say that based on the condition of the liner.

I'm wondering if there is a water jacket around the cylinder liner? Because it looks like the liner is cracked at about 8:00 in the picture.

#1 looks like it has a touch of corrosion too. Can't see #4.

How are cylinder liners changed? Do they press in?

This looks like a serious but do-able project for the ambitious home mechanic. Can this be done with the engine in the car? That is, can the oil pan be removed and the piston changed?

If it were just a piston and liner on my 300D, I'd try doing this myself rather than junk the car. I'd give it a try anyway. What are we talking about in parts, $300?

Would be interested to hear theories on what caused this kind of damage.......

Ken 300D