Question about 1999 Jeep Grand Cherokee
1999 Ltd left vents blows hot air but the right blows cold
The center blend housing on the heater/a/c assembly is probably broken.
Posted on Dec 10, 2008
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Posted on Jan 02, 2017
Yes go to you have to get the codes from your ATC controls first...Hold down the A/C button and the Recirculating button at the same time and while holding the two buttons turn you left temp. control up. It should give you codes if not then it will just read 00. Once you get those find out what they mean...20, 46,52,or 54 means you blend door(s) are stuck down and have to come up to allow heat to flow. Go to www.heatertreater.net and it will tell you how to replace it or in my case I just fixed it by putting a screw in it to hold the doors up....But hey i'm cheap so i like quick fixer uppers!!! Try that and lemme know if it works...
Posted on Dec 08, 2008
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