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bigeasye10
Guest
My 1995 Toyota 4runner lately has been running hot and it seems when i have my heater on it overheats and when its off, it does fine. The coolant level always seems to drop, but there arent any leaks and its not blowing out of my exhaust. I heard it could be a bad thermostat and so i went to replace it, but there was no thermostat there in the first place...i used a pan to drain the coolant out when i loosened up the "thermostats compartment" and replaced the thermostat. Re-added coolant till the radiator was full and tried running my truck. It started kind of rough and turned off... i checked the coolant level and it didnt go down any. what could be my problem?