theblet
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I remember seeing this too. It was a snippet of the service manual possibly. I don’t see anything about this in my owners manual.I can’t remember where I saw the document. But that’s how the techs test our AC system. They have to rev the truck to at least 1500 rpm.
It makes some sense because mine will get into the high 40s once I start driving the rpms are 1500 and above. Once I’m at idle it dips into the low to mid 50s depending on ambient temps.
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