Forum Discussion
Grit_dog
Aug 28, 2019Navigator
beergardens wrote:
It isn’t clear in the original post whether the blower motor actually quits running, or if it continues to run but the airflow diminishes. Determining this is a key part of diagnosing this.
This.
It's either the blend door or freeze up, unlikely the fan just quits working specifically, not randomly and as evidenced by the OPs description, measures to create a vacuum in the truck to increase airflow work.
If the compressor quits working, the fan still blows air through the vents. But if the comp is cutting out then it will not be cold air.
Or, it's a super electromagnetic force in the exact spot on 287 that is kinda like a mini area 51 phenomena of super secrete alien research.
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