But only in that situation. So what is it, valve seals? Turbo? Rings?

http://miami.craigslist.org/mdc/cto/4710847709.html

The "rear hatch open" indicator on the cluster is ON, and won't turn off, the hatch is obviously closed, the one thing i did notice is that the trunk key hole is seized and won't allow me to unlock the hatch using the key, and while the hatch is closed, the interior trunk light remains on, so i removed the bulb so it won't drain my battery as fast. Ive also tried disconnecting the switch, and NO luck, i think this would actually cause the light to turn ON if there wasn't something else wrong wi

My buddy's got a bobcat with a Yanmar (?) diesel 4 cylinder in it. He was using it a while back, pushing pretty hard and noticed it was running HOT. He shut it down, and as he did it blew the cap off the coolant tank and cracked it. Said he heard something like a pop or crack. He let it cool down, filled the AF and fired it back up, but says it's running badly, like it's missing on a cylinder or two. He pulled the head and says the gasket doesn't look like it's blown, and the head doesn't look d