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Discussion Starter · #1 ·
The rear vents to cool passengers in the backseat (located on the back of the center console) is an items that has been on every kind of car for many many years...it's just a normal item now, like electric windows or an AM/FM Radio.
Well for some reason Lincoln couldn't get mine right, as when I have the a/c on to a comfortable range for front passengers, a weak amount of air comes out through the back seat vents making the rear passengers hot.
Dealer tried it and had the front a/c blasting which then pushed a nice volume of air through the rear vents. I explained to him that nobody would take much of a drive with the front a/c blasting away on the highest speed, it just wouldn't be comfortable for the front passengers. But my dealer says that air is coming out so there is nothing to fix, and I say BS!
To add insult to injury, a few days ago it was 90 degree's here in FL and I'm in the backseat of a friends $30k Kia and he has the a/c on at a comfortable/reasonable level for the front passengers, and his rear vents are blowing out more than enough air to keep my wife and I comfortable in the rear. A Kia for goodness sakes !!!! Can anyone tell me how your MKC's rear vents perform...especially those of you in warm weather states, although I presume the a/c and heat will work the same in the rear. But then again this is a Lincoln were talking about so all bets are off the table. Like many of the posts I've read on this forum, I too am getting more and more frustrated with my MKC. Thanks for any help you can provide.
 
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I don't have a fix for you but just so you know, I have the same observation about our Audi Q5. The rear vent really doesn't blow much air. I never really thought about it much since I never sit back there—actually, we rarely have anyone sitting back there. But I'm guessing during the hot Miami weather it's hotter in the rear than up front.
 

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Discussion Starter · #3 ·
Espresso, I'm over here on the other coast in Tampa and it's been a record breaking Nov. so far with temps averaging around 90 each day for the past week. We have folks in the back seat at least 4-5x a month and to keep them comfortable, I have to set the a/c to high (or in auto mode around 70-72 degree's). The result, we're freezing in the front while our back seat passengers are comfortable. What blew my mind was that our friends Kia worked perfectly, leaving both sets of passengers comfortable. If Kia can do it, how come Lincoln can't figure this out?
 

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I seldom have passengers in the rear seat, but I was curious and sometime over the summer I checked to see how much airflow came from the rear vents. It was pretty low. The rear vents are a long way from the fan, so I didn't expect much flow and there wasn't. A friend of mine has an Explorer with powered vents, which provide a nice amount of air. But a rear blower probably adds $5-10 to the cost of the car. Unpowered vents are more for decoration, providing the illusion of airflow but not its presence.
 
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Our new MKC has not yet arrived, due later this month but will be interesting to investigate this issue.
I have found same with all our rear seat vents in various makes. Problem solved by merely slightly closing the front vents to increase overall pressure in the air ducts.
Rear vents are naturally more restrictive to flow due to length and various bends of ducting - it's just physics.
I'm hoping the MKC front vents have adequate adjustability resolution to yield same results. If so it should reduce front seat freezing/over heating and help the situation in the rear.
 

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Our new MKC has not yet arrived, due later this month but will be interesting to investigate this issue.
I have found same with all our rear seat vents in various makes. Problem solved by merely slightly closing the front vents to increase overall pressure in the air ducts.
Rear vents are naturally more restrictive to flow due to length and various bends of ducting - it's just physics.
I'm hoping the MKC front vents have adequate adjustability resolution to yield same results. If so it should reduce front seat freezing/over heating and help the situation in the rear.
 

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dk4500, yes, it's been an incredibly long and hot summer down here. So as to not leave any stone unturned, I've added this issue to my list of things to check out when I get delivery of my MKC.
 

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The airflow can be blocked by closing the vent louvers. On some other cars I've owned, including a Lincoln LS, there was a seperate baffle control that could be opened or closed to adjust the volume of air from an individual vent without adjusting the louvers. Ford did not include that useful feature on the MKC.
 

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The airflow can be blocked by closing the vent louvers. On some other cars I've owned, including a Lincoln LS, there was a seperate baffle control that could be opened or closed to adjust the volume of air from an individual vent without adjusting the louvers. Ford did not include that useful feature on the MKC.
If I understand this suggestion- closing off the front vents a bit puts better pressure to the rear. Kick up the fan a notch and there should be decent rear cool flow................
 

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As I remember it from my engineering school days way, way back, it's not a linear relationship because of the length of piping the air travels to get to the rear vents (to say nothing of all the bends). So for example a 30% increase in fan speed in the blower does not mean a 30% increase in air pressure in the back. I'm curious, what happens if you completely close off all the front vents?
 

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Discussion Starter · #12 ·
The vents in my other car actually have controls to turn on and off each individual vent - in addition to louvers that move the air top, down. left, right. Unfortunately with our MKC you can never turn off any individual vent and can only turn the louvers until they are almost closed off, but some air will always get through. To make a long story short I tested the theory from another post today and no matter what I did to the front vents or amount of air coming out of them, it had no affect on the air coming out of the rear vent. The rear air always comes out very weak, and certainly not enough to make rear passengers comfortable. I've given the example of the $30k Kia in my prior posts, but my MKC stickered for $48k. At that price I think it's reasonable to expect the rear air vents to produce enough air to cool the rear passengers. It's just another frustrating part of this car that I had such high hopes for.
 

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the vents in my other car actually have controls to turn on and off each individual vent - in addition to louvers that move the air top, down. Left, right. Unfortunately with our mkc you can never turn off any individual vent and can only turn the louvers until they are almost closed off, but some air will always get through. To make a long story short i tested the theory from another post today and no matter what i did to the front vents or amount of air coming out of them, it had no affect on the air coming out of the rear vent. The rear air always comes out very weak, and certainly not enough to make rear passengers comfortable. I've given the example of the $30k kia in my prior posts, but my mkc stickered for $48k. At that price i think it's reasonable to expect the rear air vents to produce enough air to cool the rear passengers. It's just another frustrating part of this car that i had such high hopes for.
amen
 

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Well, we all should HOPE Lincoln/Ford is paying attention and monitoring forums such as this...one of the best ways for them to find out what they NEED to do to improve on customer satisfaction with their products...
This whole thing could have easily been addressed with the addition of an independent blower that deals with sufficient air,weather it's heated or conditioned for the back seats!
I believe their logic is the overall temp inside the cabin,should be able to draw out humidity through the front AC, therefore making the overall cabin comfortable for rear seating passengers...the reality is, there is an imbalance with the majority of the coolness happening within the very immediate front area...rear passengers be dammed!!!
Lincoln, you can certainly do better then this!!!
 
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