A/C problems - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 09-19-2019, 11:35 AM Thread Starter
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A/C problems

Hey all, I am having an issue with my A/C system. I am getting no air at all out of the vents in the dash of my 2000 Excursion. I have replaced the fuses and the Blower Motor Relay is there anything else I’m missing?
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post #2 of 11 Old 09-20-2019, 04:59 AM
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Is air coming out anywhere? If you have lost vacuum then it will default to (I think) defrost. Is air coming out at the windshield?
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post #3 of 11 Old 09-20-2019, 03:19 PM Thread Starter
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No I’m getting no air at all from the dash
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post #4 of 11 Old 09-20-2019, 04:45 PM
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Originally Posted by Zman255 View Post
Hey all, I am having an issue with my A/C system. I am getting no air at all out of the vents in the dash of my 2000 Excursion. I have replaced the fuses and the Blower Motor Relay is there anything else Iím missing?
The blower is not running or the blower is running but no air to the dash vents? -- description is kinda vague

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post #5 of 11 Old 09-25-2019, 05:47 AM Thread Starter
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No I’m not getting any air from the dash
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post #6 of 11 Old 09-25-2019, 05:47 AM Thread Starter
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No blower and I’m not getting any flow of cold air out of any of the dash vents.
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post #7 of 11 Old 09-25-2019, 10:48 AM
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Your blower motor could be out. Easy fix. The wiring harness to your blower switch/dial could have come disconnected from behind the dash too. I would check the switch first.
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post #8 of 11 Old 09-25-2019, 03:36 PM
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Check the blower motor resistor -- those usually are the failure

Looks like this:
https://www.carparts.com/details/For...8I_Q&gclsrc=ds

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post #9 of 11 Old 09-25-2019, 03:46 PM
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Quote:
Originally Posted by Hydro View Post
Check the blower motor resistor -- those usually are the failure

Looks like this:
https://www.carparts.com/details/For...8I_Q&gclsrc=ds
You're correct. Replaced mine then discovered the wiring harness had rattled loose. Figured no harm, no foul because the resistor was going to go out eventually anyway.
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post #10 of 11 Old 09-28-2019, 06:09 PM Thread Starter
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Thank you all for your help but I found the problem why u wasn’t getting any air from the dash. So I replaced the blower motor and now I only have air out of defrost vents which means now I have to check the vacuum lines and replace the vacuum pump to get the other vents working and my 4x4 to lock in without me getting out of the truck to lock the hubs. I attached a couple photos, one was what the old blower motor looked like then a side by side of the new and the old.
Attached Thumbnails
Click image for larger version

Name:	D28B1772-F401-4C9B-8E50-8A4B457D7603_1569722757613.jpeg
Views:	12
Size:	1.12 MB
ID:	723559   Click image for larger version

Name:	97D138C1-4873-48D5-90F3-3240196305BA_1569722779494.jpeg
Views:	12
Size:	2.83 MB
ID:	723561  
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