So here's the deal, remember back when i first told you that my car overheated. (I was on a one-lane freeway bridge so I couldn't pull over, but I did as soon as I got down that bridge like 1-2 minutes). Well my dad and his mechanic noticed the thermostat housing was cracked, okay, so we bought a used one. (it already came with a thermostat housing). Anyway that was put on, car was running fine all morning to allow me to go to school, on the way home, about 10 blocks away from my house, I noticed the thermostat pin going up, so I pulled over.....blah blah.....however, the thermostat pin will go to about 1/2 way mark, then after the air heats up, it goes right back up.