1999 Jeep Grand Cherokee "heat blows cold 1 zones" Questions

heat and the other Bitter cold even with both set on "hi". Is there maybe a vent that is not opening or closing somewhere in the dash or is this a CPU malfuntion? Go to heatertreater.net. I bought one

...heat and AC. the longer I drive, the better it works. It seems to me that the harder I push the gas, the warmer it blows. any suggestions? if your ac blows hard and cold then it could be your heater ...

...cold air no heat flush the heater core, both directions. You can remove the glovebox, push the passenger seat back and with a flashlight look at the end of the shaft of the blend door motor as you ...

...blows but not heat. Always use 50/50 antifreeze, unless u live in an area where temperatures drop below the stated protection zone. As for the heat, low coolant will cause no heat, as well as a ...

...heat, blows cold air. No leaks or smells so dont think it is heater core please help im not sure sounds like my problem but my 2001 grand ch.does it only from the right half of the vents .i heard it ...

...heat (scan tool shows this as ECT) do all vents top work , blower on? is the A/C compressor working in A/c mode (cold) and Defrost? more... below. Rule one, dont work in dash until air bags are ...

...blows cold air, no heat. Any idea what could be the problem? Email me at [email protected] with your ideas. Thanks. my car is now fixed i bought an accuator from the dealer for around 54 dollars and ...

...1 side and cold on driver side temp gage on high Most likely cause is a broken dual zone blend/temp door in the heater box. There is a revised part available from a dealer. It is a big job to replace ...

...blows warm air on driver's side and cold air on passenger's side. 1. If it worked fine recently, I would suspect low r134a charge. 2. If you have dual zone heating/cooling, your mode motor may be out ...

blows cold air It sounds like you have either a defective passenger blend air door actuator or a broken passenger blend air door.Sometimes the actuators just get stuck.  Try turning the passenger