Question about 2000 Jeep Grand Cherokee
I had the air conditioning fixed on my 2000 cherokee and while the mechanic was inside the car, he elected to recommend that I put in a new heater core. I did and paid an 1100 $ bill. Now i have lukewarm heat. when I complained they put in a new thermostat and changed out the radiator fluid - 150$ and i still have lukewarm air. They say it measures 140 degrees, but my old heat was much much hotter. what do I dooooo??? I take it back in tomorrow.
If your radiator is not clogged, your thermostat is working, and you have a new heater core, it sounds like when your mechanic was installing your heater core, that he possibly pulled a vacuum line loose or forgot to hook one back up. On most all late model vehicles, heater controls are vacuum operated. One line to move the selector flap from vent to floor to defrost, etc., and one line to move the heat flap from hot to cold. Most vehicle manufacturers changed from mechanical controls to vacuum operated controls to try to simpify the system and have less parts to have to replace. However the set-back with this is that when a vacuum line comes loose, it can be harder to locate your problem whereas a mechanical issue would obviously be right behind the controls inside the dash. If your problem is vacuum related, you can most likely assume that the problem will be somewhere under the dash, as that is where those particular vacuum lines should be routed, and also is what the mechanic had to disassemble when replacing your heater core.
Posted on Nov 23, 2008
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