My '01 Yukon XL started doing it this summer after not doing it for a few years. I looked and the reservoir was low. You may want to check sensor wiring.
Thanks for the info. I took apart the interior rear over the wheel well to no avail, thinking that I may be able to clean it out from the top end. I ended up finding it from the bottom of the vehicle. It was behind the wheel well and quite a bit of dirt and other foreign matter came out after...
2001 Yukon XL with rear air. The condensation drain is clogged. Does anyone have any tips on accessing the rear AC unit and how to unclog it?
Thanks for any assistance.
Jimmy
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