Whistling when heating/AC fan is on high
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Whistling when heating/AC fan is on high
Hi everyone,
I recently purchased a used 2014 F150 XLT, it has 18k miles. I found that when I turn the AC or heat fan is on high there is a loud whistling noise. However, I discovered that when the recirculate function is on the whistling stops. I took the truck to a Ford dealer since it's under warranty and they have replaced the blower motor twice but that hasn't fixed it. I can't help but think that the air intake to the vent system might be obstructed, that would explain why it doesn't whistle when recirculate is on. Has anyone else had an issue like this or know where they intake for the vent is?
Thanks in advance for your help!
I recently purchased a used 2014 F150 XLT, it has 18k miles. I found that when I turn the AC or heat fan is on high there is a loud whistling noise. However, I discovered that when the recirculate function is on the whistling stops. I took the truck to a Ford dealer since it's under warranty and they have replaced the blower motor twice but that hasn't fixed it. I can't help but think that the air intake to the vent system might be obstructed, that would explain why it doesn't whistle when recirculate is on. Has anyone else had an issue like this or know where they intake for the vent is?
Thanks in advance for your help!
Official Ford Rep
Joined: Oct 2010
Posts: 3,123
Likes: 6
Hi everyone,
I recently purchased a used 2014 F150 XLT, it has 18k miles. I found that when I turn the AC or heat fan is on high there is a loud whistling noise. However, I discovered that when the recirculate function is on the whistling stops. I took the truck to a Ford dealer since it's under warranty and they have replaced the blower motor twice but that hasn't fixed it. I can't help but think that the air intake to the vent system might be obstructed, that would explain why it doesn't whistle when recirculate is on...
I recently purchased a used 2014 F150 XLT, it has 18k miles. I found that when I turn the AC or heat fan is on high there is a loud whistling noise. However, I discovered that when the recirculate function is on the whistling stops. I took the truck to a Ford dealer since it's under warranty and they have replaced the blower motor twice but that hasn't fixed it. I can't help but think that the air intake to the vent system might be obstructed, that would explain why it doesn't whistle when recirculate is on...
Crystal
2nd Gear
Joined: Jan 2023
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2011 F150
Hi everyone,
I recently purchased a used 2014 F150 XLT, it has 18k miles. I found that when I turn the AC or heat fan is on high there is a loud whistling noise. However, I discovered that when the recirculate function is on the whistling stops. I took the truck to a Ford dealer since it's under warranty and they have replaced the blower motor twice but that hasn't fixed it. I can't help but think that the air intake to the vent system might be obstructed, that would explain why it doesn't whistle when recirculate is on. Has anyone else had an issue like this or know where they intake for the vent is?
Thanks in advance for your help!
I recently purchased a used 2014 F150 XLT, it has 18k miles. I found that when I turn the AC or heat fan is on high there is a loud whistling noise. However, I discovered that when the recirculate function is on the whistling stops. I took the truck to a Ford dealer since it's under warranty and they have replaced the blower motor twice but that hasn't fixed it. I can't help but think that the air intake to the vent system might be obstructed, that would explain why it doesn't whistle when recirculate is on. Has anyone else had an issue like this or know where they intake for the vent is?
Thanks in advance for your help!
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