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  1. S

    02 Tahoe constantly goes in/out of OD w/ AC on.

    So did a little testing today and when the defroster is on, which I believe also runs the compressor, it does the same thing.
  2. S

    02 Tahoe constantly goes in/out of OD w/ AC on.

    Not noticing anything with the compressor. All there sounds normal.
  3. S

    02 Tahoe constantly goes in/out of OD w/ AC on.

    All summer long if the AC was on the tranny would go in and out of overdrive ever couple of minutes if the speed is between 60 and 65. If you keep it up to about 70 it stays in OD just fine. It only does this with the AC on. You can be on flat ground with the cruise control set on 65 and it...

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