I just bought a 1995 YJ 2.5L with a new radiator and top and bottom hoses.
Temperature here now about 25 degrees outside.
Motor runs 210 dergees. Heater puts out air so hot it will almost burn your fingers!
Right after shutting off the engine I have noticed that the heater hoses, top radiator hose, and radiator top as hot as can be but the BOTTOM hose is ice cold! What is going on. With the engine running still ice cold at the bottom. Could it be that the water pump is not pumping and since it is cold here motor is still running at the correct temp.
Thermostat problems? Can the impeller come loose from the pump shaft?
Looking for answers please from you gurus! !