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Old 07-11-2019, 12:16 PM
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A/C Issues

My 2006 TJ has been having a new issue with the A/C (of course when it's 90+ degrees outside), and I need some help with identifying the source of the problem. Currently, the A/C will kick on nice and cold for a few minutes, but then it will stop blowing out of the vents. I can feel that it is still cold near the vents, but it will not blow any air out. Right before this, the blower motor resistor crapped out, but it was still blowing on max up until this more recent issue. I will be replacing the resistor again for the 3rd time in 3 years, and the blower motor itself was replaced last year. It is starting to get ridiculous to have to replace the resistor every year, and I hope it's not the motor again. Any help in troubleshooting this issue would be greatly appreciated! (and yes, I have my top down/windows out, but getting stuck in traffic in 90+ degrees makes the A/C a nice rescue).

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Old 07-18-2019, 10:06 PM   #2
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Sounds like your evap coil may be icing up due to a low charge. If you park it for 20 minutes or so will the AC work again.

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Old 07-19-2019, 01:06 AM   #3
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Does it blow out of the defrost?
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Old 07-19-2019, 11:47 PM
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Thanks for the replies...I'm thinking now it might be the blower motor, as it no longer blows any air. We have had multiple days of 90+ heat this month, so even if there was any kind of buildup, it would melt in minutes.

As for anything out of the defrost, I don't feel any air coming out from those vents either. I do know the compressor must be working as I can feel cold coming out of the vents passively when on the highway doing 55+.

If there is something else I'm missing, let me know. I've purchased a new blower motor and will try that first. It will be frustrating if that is the problem, given that was replaced just last year. Same for the resistor, which is also shot. Makes me think there is some kind of electrical issue that is causing these parts to crap out sooner than normal.
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Old 07-20-2019, 10:53 AM   #5
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I would pull the center bezel and inspect the rear of the heater control panel for any damage/electrical melting.
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