My dodge avenger sxt 13 2.4l started leaking from the bottom of the thermostat housing. I guess the return? Idk but I took off the housing and looked at it for cracks and what not. The o ring was old so I changed it, changed the thermostat 170 and put it back on, the 230 was still good. Refilled the radiator and started it. I let it run and run. I said okay its fixed. So I did a test drive.... nope the temp kept jump from running temp and over and then back. So I opened it. Did a little squeeze and it started coming out from the bottom. I don't know what I did wrong... I made sure I didn't over tighten since I didn't have a torque wrench. I tightened until it didn't go freely then did one little tiny make sure its tight. What should I do?