squeal noise after running the A/C and turning off the truck?

2002 FORD F-150
238,000 MILES • 4.5L • V8 • 4WD • AUTOMATIC
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CHRIS001
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when i drive and run my air conditioner and stop and cut the engine off i'll hear a squealing kind of noise after the vehicle is off like when the cooling system de compresses does that indicate a leak in the cooling and what kind of leak would cause the squeal like that? also, i hear stop leak can be bad sometimes to use but would that help?
May 14, 2023 at 6:44 PM
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STRAILER
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Can you please shoot a quick video with your phone so I can hear the noise? that way I can tell for sure what's going on.. You can upload it here with your response.
May 15, 2023 at 1:21 PM