...Check to see if the temp,door is moving when you change to hot on the selector .Then replace the thermostat,and if heater core is not letting the hot water flow threw it,remove the heater hoses going ...
heater doesn't work. it's like the thermostate will not go from cold to hot. Stuck on cold!!! The blend door under the dash is intermittently not working and/or stuck in a closed or open position. You
Question about Jeep Grand Cherokee
...it more problem? Check hoses going to heater core. Do both get hot? If so, problem may be a "blend" door failing to actuate due to vacuum leaks or bad actuator. If neither get hot, change
...check there. If everything is fine, the final loss of vacuum will be in the "blend door actuator", which is a vacuum operated motor. The underdash stuff is not easy to do, so unless you're up for it, ...
...check the heater valve. It is on the firewall passenger side in the engine compartment. You will see the 5/8 inch black hoses attached to it. Have someone turn the temperature selector from cold to ...
...heater core. the actuator for the blend door is located on the bottom of the heater/ac box towards the middle of the bottom. it will be a tight fit but you can remove it without removing any part of ...
...heater door, you may have a bad one that controls the hot and hot door, it may be stuck on cold. also make sure your coolant is full , i dont see any other problem that would cause this, a bad ...
...check-out heatertreater.com, i had the same problem with my cherokee and bought the heater treater blend door repair kit. it really does work and you can fit it yourself in around half an hour. kit ...
Question about Jeep Grand Cherokee
...check that the heater control is opening the tap to allow coolant to flow through the heater core no engine stated, 4.0L or 4.7 (runs unique cooling)
WJ / 1999 - 2004 Second gen GC
no heat at ...
heater core tubes very hot engine cooling fans come on when they want with or without ac compressor running not sure about the blend doors or how to obtain access SOMEONE HELP ME IM PULLIN MY HAIR OUT
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