AC with auto climate question
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Joined: Oct 2005
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AC with auto climate question
Hello. Just purchased a new 2006 F250 4x4 CC Lariat, V-10, auto, and am still learning all the new systems. Traded in my 2000 F250 4x2 XLT, so do know the engine and tranny, but not the new electronics. My question is if I have the climate control set to auto, does the AC need to be turned on manually so the indicator light is on? The owner's manual seems to say that when the system is in auto, it will turn the AC on and off as needed. But yesterday I tried it that way and the outside temp was in the 90's, set the auto temp at 68, the fan came on, but it was just pulling in outside air, even after waiting about 10 minutes. As soon as I pushed in the AC button, then all was cool, and the cab temp came right down and the fan adjusted itself from blowing high to medium to low. So, do I need to keep the AC button glowing? Thanks, Randy
Senior User
Joined: Feb 2005
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From: South Florida
You need to hit the auto button, then the recirculate inside air button. My A/c light seems to come on when I hit the auto button, I just have to keep hitting the inside air button everytime...
Senior User
Joined: Aug 2004
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From: Breezewood (S.Central) PA
No it should come on in that situation. Mine will come on and start cooling right away. However after a bit (15-20 minutes) when the system thinks the temp id down to where you set it it will start pulling in outside air and warm up the air that is blowing out of the registers. So like Dieselpwr I hit the recirculate button so that the air stays cool and less humid.
Senior User
Joined: Dec 2007
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From: Jacksonville, FL
To my knowledge, there is no way to keep the recirculate button always on...I too, wish it would stay on recirculate.
FTE Leadership Emeritus
Joined: Jul 2002
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From: Long Island USA
You might have a bad outside air temp sensor. Does the system have an "outside temp" button on it? (My '97 Cougar's does)
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From: Apex, N.C.
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From: Long Island USA
A one-shot will do it - just power it with the ignition key and wire it to the button with a relay.
There are 12V units premade, but they seem to be somewhat expensive (>$100) just looking around on Google....
Hmm...
There are 12V units premade, but they seem to be somewhat expensive (>$100) just looking around on Google....
Hmm...
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FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
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From: Long Island USA
Something like this would work:
Altronix #6062 Access Control & Mag Lock Timer Module - eBay (item 110278063139 end time Aug-15-08 06:28:51 PDT)
Anyway...
Altronix #6062 Access Control & Mag Lock Timer Module - eBay (item 110278063139 end time Aug-15-08 06:28:51 PDT)
Anyway...
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Joined: Jul 2008
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The recirculate feature was designed for quick cool down.
When the A/C is run in the recirculate mode at low fan speeds for extended periods of time, you run the risk of the evaporator freezing up.
I haven't had this happen in any of my newer vehicles, but it has on others I have had when I forgot to turn it off.
My auto climate control has an a/c button which will override the auto feature either on or off. But I have a 2002.
When the A/C is run in the recirculate mode at low fan speeds for extended periods of time, you run the risk of the evaporator freezing up.
I haven't had this happen in any of my newer vehicles, but it has on others I have had when I forgot to turn it off.
My auto climate control has an a/c button which will override the auto feature either on or off. But I have a 2002.