Question about 2001 Jeep Grand Cherokee
Coolant level is full water pump seems to be fine and replaced thermostat first when noticed that it wasnt right any suggestions
More than likley you have a broken blend door. Very common!
this sight does a good job explaining the problem.
An updated kit can also be purchased from jeep and will require the complete removal of the dash and HVAC unit.
Posted on Feb 10, 2012
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Posted on Jan 02, 2017
Not knowing how many miles you have on your Jeep, this may or may not be the case; check the water pump.
If the shaft seals fail, there is a small hole on the bottom edge that allows coolant to flow out instead of it causing more serious problems.
It may not be easy to determine this since belts and fans tend to scatter it all over.
If your interior floor isn't wet, the heater core is probably OK but if you have air in the cooling system, it will affect the cabin heating.
Posted on Dec 02, 2009
blend air doors are broken you need to remove insturment panel assembly and remove hvac housing and disassemble to replace doors they are available as an assembly from your local dealer
Posted on Nov 12, 2009
Hi, you have a problem with your flaps that control the hot and cold air, there are flaps in the dash and they are made out of plastic and the like to break so you will have to remove the dash and renew those flaps
Posted on Nov 18, 2009
Testimonial: "Thank you, helps me when i see mechanicsat"
How often has the coolant been changed? My only guess is that it hasn't and the hoses and the heater core are plugged up with goo and a flush is needed
Posted on Dec 26, 2008
SOURCE: PASSENGER SIDE HEAT NOT WORKING
The passenger blend door is broken on its shaft into the air cooling assembly.
The disgnostic is very easy, the part itself is very cheap. The bad new is that the dash has to be removed to reach the HCAV assembly where the blending doors are mounted. 15 hours labour time to replace it by an experienced technician. There is a kind of bypass solution developped and 'marketted' by a company. I have not install this fix by myself so far. Up to you to check if it could be interesting for you.
Hope it will help
Posted on Dec 31, 2009
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