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Significant Difference

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Old Aug 2, 2018 | 11:34 PM
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Default Significant Difference




The Dogs days started in mid July and we are loving the heat in deep south TX. This is my first summer with a Ford product and while the AC is adequate for 100°+ weather, it does not compare to my Wife's Lexus.
The Wife's Lexus is insane cold in there.

Last edited by sierrafast; Aug 2, 2018 at 11:37 PM.
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Old Aug 3, 2018 | 12:50 AM
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The AC kinda sucks in these trucks. My Camaro blows ice cold air before I get it out of the garage, and my truck is still blowing half assed cool air a mile down the road.

Last edited by tom231; Aug 3, 2018 at 01:22 AM.
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Old Aug 3, 2018 | 12:59 AM
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6F!? That is impressive.
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Old Aug 3, 2018 | 07:18 AM
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That’s odd with the Lexus. Def not typical of automotive ac in general. I wonder how they do it. Generally a well performing ac should be blowing mid to upper 30’s at the vents (as it looks like yours is). By most repair standards, 20-25 below ambient is considered working normally, even tho most people including myself would say that is sub par. Big reason for the above freezing temps is to keep the evaporator from freezing up, especially in humid areas, which would quickly net you much warmer temps as once the evaporator is frozen over, its essentially a swamp cooler blowing over a block of ice vs removing heat with the refridgerant pressure change via the fins and tubes.
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Old Aug 3, 2018 | 07:37 AM
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Originally Posted by tom231
The AC kinda sucks in these trucks. My Camaro blows ice cold air before I get it out of the garage, and my truck is still blowing half assed cool air a mile down the road.
I guess it's relative. Compared to our last Chrysler, Vibe and current Honda, the heating and AC in this truck are better in every way. The heat and cold come a lot quicker and both need to be turned down at some point or it's too hot or cold
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Old Aug 3, 2018 | 07:49 AM
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you can get some wonky results from those electric thermometers depending upon environment immediately before, etc.. I'd bet thats not a "true" reading. Best to use the old mercury thermometer for this type of measurement.
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Old Aug 3, 2018 | 08:03 AM
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Originally Posted by C17chief
That’s odd with the Lexus. Def not typical of automotive ac in general. I wonder how they do it. Generally a well performing ac should be blowing mid to upper 30’s at the vents (as it looks like yours is). By most repair standards, 20-25 below ambient is considered working normally, even tho most people including myself would say that is sub par. Big reason for the above freezing temps is to keep the evaporator from freezing up, especially in humid areas, which would quickly net you much warmer temps as once the evaporator is frozen over, its essentially a swamp cooler blowing over a block of ice vs removing heat with the refridgerant pressure change via the fins and tubes.
This ^^^^

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Old Aug 3, 2018 | 08:21 AM
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What is the age of your Lexus vs your truck?
I have noticed a complete change in AC systems from R134A to the new refrigerant. No where near as efficient I don't think.
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Old Aug 3, 2018 | 08:49 AM
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I live in Florida and it is hot and muggy! I have owned 2 Ford Sport Trac's and now a 2017 F150. I have had ICE32 put into all these vehicles AC systems and What a difference it makes in cooling temps plus protection to the system. Check it out.


https://www.ice32.com
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Old Aug 3, 2018 | 10:38 AM
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At those temperatures in TX your Evaporator in the Lexus should be a nice block of ice in no time I would think.
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