Question about 1985 Jeep CJ7
Take out the thermostat and run it like this for while. If the motor still over heats: Look over by the battery, do you see where those two hoses from the radiator and the water manifold are going into the firewall? Take the hose going to the manifold from the firewall off of the connection at the firewall and connect it directly to the water pump. I think the manifold hose is the one on the right just make sure it's not the one coming from the water pump. You'll have to remove the hose coming to the fire wall from the water pump where it is connected at the pump but, that's OK for now just tie/tape it to something out of the way. Now then, your water pump will be sending water directly to the water manifold without any obstruction. When you run the motor for a little while and find that it stays super cool, I then suggest (if you want any heated air this winter) that you have the heater core (there behind the firewall where the two hoses were going) flushed clean or replaced and hooked back up. Once water can flow freely through the system your thermostat can probably be reinstalled w/ out overheating the motor.
Posted on Aug 10, 2009
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Posted on Jan 02, 2017
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