allenpow's latest activity

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    allenpow replied to the thread AC Pressure Noise GX550 OT+.
    By the way, they said they drove around other GX 550s and also heard it. I have an OT. It wasn't clear to me whether this is an issue...
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    allenpow replied to the thread AC Pressure Noise GX550 OT+.
    I got feedback from the dealer today. They heard it too. They said it's an expansion valve cycling during AC operation. They said...
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    allenpow reacted to teestarnes's post in the thread AC Pressure Noise GX550 OT+ with Like Like.
    The pressure noise I am having is not from the seats, nor is it what I think this thread is referring to. See my post above--only...
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    allenpow replied to the thread AC Pressure Noise GX550 OT+.
    I am definitely having this same issue. Any advice on how to escalate to Lexus? I only hear the hissing sound when the AC is on and...
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