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Ford
F-250
Climate Control
Vent
Replace/Remove
A/C vents close after a short time
1999 FORD F-250
194,000 MILES • 7.3L • V8 • 4WD • AUTOMATIC
LAWRENCE POWERS
MEMBER
1 POST
A/C will blow cool air for about ten minutes then the vent will close for about five minutes. I changed the vacuum pump and it still does it.
Jun 22, 2018 at 11:36 AM
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ASEMASTER6371
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Experienced Mechanic
52,796 POSTS
Good morning.
Do any of the other doors close when this door closes?
I attached a vacuum chart for you. It may be the vacuum motor itself.
The motor is behind the glove box. Make sure it has vacuum to it to work.
Roy
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Jun 24, 2018 at 1:09 AM
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