Question about 2001 Jeep Grand Cherokee
Hello I replaced the thermostat for I was getting hot air then it turned off cold and then I steped on the gas and I got hot air again..and someone said that I should change the thermostat..the truck dosn't overheat? I check the two hoses that go into the radiator and they are hot..but the radiator cap and unit itself is cold..thats why I thought it could be the water pump? what do you think.. I did leave the cap off for 30 min and the water and radiator still didn't heat up..
Does your temp gauge read normal? if it does then the thremostat is ok,but sadly the water pump is going bad this is typical of jeeps at an idle the heater cools off because the water pump fins are worn enough to not circulate through the heater core and when you step on the gas the increased rpm move the water fast enough to circulate through the heater,it is possible that the heater core is plugged but I doubt it as a plugged heater core would not get hot either it would be cold or just luke warm all the time.
Posted on Dec 30, 2008
Hi there. It could still be a thermostat. The thermostat could be stuck open therefore not allowing the coolant to heat up to it's proper temp. Your vehicle will not overheat in this situation because the coolant doesn't heat up. I would start with pulling the thermostat and checking it out. once you take the thermostat housing off you can pull the thermostat and see if it is stuck open.
Posted on Dec 29, 2008
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Posted on Jan 02, 2017
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