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2019 f250 AC problems.

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Old Aug 19, 2020 | 05:00 PM
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2019 f250 AC problems.

I have a 2019 F 250 xl 6.7 that the past 2 days has stopped blowing air all together the defrost or nothing will work it’s happened right when I started it up or shortly there after and it won’t work for anywhere from 5 to 20 mins then it will all of a sudden start blowing air again and will work fine the rest of the day. Any ideas?
 
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Old Aug 19, 2020 | 05:04 PM
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Yes, I have an idea. You have a warranty just for this purpose. Exercise that warranty.
 
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Old Aug 19, 2020 | 05:12 PM
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Originally Posted by C12H24
Yes, I have an idea. You have a warranty just for this purpose. Exercise that warranty.
yes but my truck already has 39000 on it so the bumper to bumper has already expired.
 
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Old Aug 19, 2020 | 05:17 PM
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Do you know how to use A/C gauges?
 
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Old Aug 19, 2020 | 05:26 PM
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Are you saying the blower motor is not running at all or it is running and not moving air?
 
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Old Aug 19, 2020 | 05:41 PM
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Originally Posted by C12H24
Do you know how to use A/C gauges?
Yes I just won’t get a chance to check it out till this weekend I was just wondering if anyone has had this problem and where would be the best place to start.
 
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Old Aug 19, 2020 | 05:49 PM
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Okay. So, do any of the HVAC functions work? Does the selector panel do anything, like the light displays a selection? Thevol asks a relevant question about the function. If the whole panel is dead and not blowing air or allowing defrost, floor, panel selections, then I've not seen that as an issue on these forums.
 
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Old Aug 19, 2020 | 06:01 PM
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Originally Posted by C12H24
Okay. So, do any of the HVAC functions work? Does the selector panel do anything, like the light displays a selection? Thevol asks a relevant question about the function. If the whole panel is dead and not blowing air or allowing defrost, floor, panel selections, then I've not seen that as an issue on these forums.
All the different selections on the panel light up when you click them but non of them will work and like I said after about 5 to 20 minutes it will start working again and every selection works as it should once.
 
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Old Aug 19, 2020 | 06:09 PM
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Sorry, but I've never read about a dead head unit. Gauges won't do anything for this issue. You have to approach it electrically by checking grounds and doing wiggle tests on the harness. This may be one of those things that would be appropriate to take it to the dealer or a specialized A/C shop if it's not just a loose harness or ground.
 
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Old Apr 24, 2021 | 01:28 PM
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Originally Posted by Shawn7974
I have a 2019 F 250 xl 6.7 that the past 2 days has stopped blowing air all together the defrost or nothing will work it’s happened right when I started it up or shortly there after and it won’t work for anywhere from 5 to 20 mins then it will all of a sudden start blowing air again and will work fine the rest of the day. Any ideas?
I just had the same problem, I hear the hear compressor turn on, but the fan just stopped suddenly after I started it up or shortly there after. is a 2019 Super Duty Platinum with $46K
 
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Old Dec 22, 2021 | 09:08 PM
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Help

Originally Posted by Shawn7974
I have a 2019 F 250 xl 6.7 that the past 2 days has stopped blowing air all together the defrost or nothing will work it’s happened right when I started it up or shortly there after and it won’t work for anywhere from 5 to 20 mins then it will all of a sudden start blowing air again and will work fine the rest of the day. Any ideas?

Did you figure out what the problem was? I am having the exact same problem with my Air conditioner in my 2019 F350
 
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Old Dec 22, 2021 | 09:28 PM
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Have you tried all speeds of the fan? Reason I ask is when the blower motor resistor goes bad the fan usually will only work on high.

when I’ve had the issue on other vehicles as you describe the plug for the blower motor was corroded and loosing contact. Or the ground wire was loosing contact. I have not investigated where the blower motor are on these trucks yet.
 
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Old Dec 22, 2021 | 09:46 PM
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Originally Posted by 05F250DSL
Have you tried all speeds of the fan? Reason I ask is when the blower motor resistor goes bad the fan usually will only work on high.

when I’ve had the issue on other vehicles as you describe the plug for the blower motor was corroded and loosing contact. Or the ground wire was loosing contact. I have not investigated where the blower motor are on these trucks yet.

I actually had my mechanic put A new blower motor. It’s strange because some days it will work all day. Some days it will work for 20 mins while driving down the road and just stop blowing. Everything works as normal when working then it stops. 30 mins later it will start working again.
 
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Old Dec 22, 2021 | 10:23 PM
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Originally Posted by Dino12210
I actually had my mechanic put A new blower motor. It’s strange because some days it will work all day. Some days it will work for 20 mins while driving down the road and just stop blowing. Everything works as normal when working then it stops. 30 mins later it will start working again.
The resistor is usually a separate part and not part of the blower motor. It also has a plug that could wiggle loose. A ground issue could still be your problem as well as it’s a wiring problem where a new blower motor would not solve. I’ve not looked under the dash at all on these trucks yet. But I’ve learned through experience that little feet and dogs bump into all kinds of stuff if anything is unprotected.

another thought that your manual or maybe someone on here can answer. Is there a fuse or a circuit breaker to the blower motor. One of those auto resetting circuit breakers could do as you describe or a relay hanging up.
 
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Old Dec 22, 2021 | 10:35 PM
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Check the plug to the blower motor, if it's bad then a new blower motor wouldn't help and you could have the same symptoms.
 
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