I recently replaced my radiator, thermostat, the cracked thermostat housing, and the large upper and lower hoses for the radiator. The dashboard gauge still shows that the engine runs cold. After driving for a while and then stopping, upon starting the engine a short while later the gauge shows the engine at the proper temperature. Could this be the water pump? Also the cab doesn't heat up, but I assume that that is at least the blend door, possibly the heater core.
Any ideas?