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Old 06-05-2019, 04:52 PM   #1
Tim Rich, Sr
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Join Date: Aug 2018
Posts: 5

2005 VUE 3.5L
Wrench AC Fix

I have posted a year or so ago in re an AC intermittent problem. It finally quit completely, and we cut short a planned long trip because of it. Several AC shops wanted to evacuate and recharge.
After we got home, I went back to the forum and searched again for the problem and found several owners that had found a bad ground problem. I disconnected the battery and started measuring resistance. From the clutch relay in the fuse box I measured 8.7k ohms to ground (measures through the clutch coil to ground). I thought that might be too high but being a coil, I thought it might have small gauge wire. Then I unplugged the connector at the compressor and measured the resistance to ground--- < 4ohms. I sprayed contact cleaner in both sides of the plug and coated with silicone connector lube. Presto, the AC is working without a hesitation since. Thanks to the fellow members for the insight.

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