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Guest Message by DevFuse

Get you C-MAX Energi Registered in the official Ford Authorized Registry. More here.


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Auto Heat & Venting


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7 replies to this topic

#1 OFFLINE   Adam Juelich

Adam Juelich

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  • Region:U.S. Great Lakes
  • LocationGreen Bay, WI
  • My C-MAX:2013
  • Current Vehicle:2013 Ford C-Max Energi

Posted 14 October 2016 - 04:59 AM

Hello,

 

I'm noticing a weird issue when using heat.  If I have it set using auto it seems to only come out through the defrost vents and rarely ever comes out of other vents.  If I move to manual fan control and choose areas to heat, it comes out of the proper vents and heats properly.  This isn't expected behavior is it?  About six months ago they replaced my whole heater box and all of those components due to a whistle.  Auto A/C seems to work properly.

 

Any ideas, or do I bring it in yet again?  Since I got the vehicle in February it has been in the shop for probably a total of 2.5 months.  It's been a complete piece of crap.  I like the car but may end up trading it in and taking the loss.

 

Thanks!









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#2 OFFLINE   stolenmoment

stolenmoment

    New Member

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  • Region:U.S. Northeast
  • LocationBoston
  • My C-MAX:2013
  • Current Vehicle:Maxwell Smart

Posted 14 October 2016 - 05:06 AM

I find that the Auto behavior is never what I want, so I'm always fiddling with the buttons when I turn on climate control.

 

So, I'm not sure it'll get any better if you take it back in.

 

Sorry your experience has been bad.  Yeah, these are sweet little cars that Ford doesn't know what to do with, and the dealers can't take care of.



#3 OFFLINE   MaxLB

MaxLB

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  • Region:U.S. Pacific Coast
  • LocationSoCal
  • My C-MAX:2016
  • Current Vehicle:2016 C-Max NRG

Posted 14 October 2016 - 06:44 PM

Right from the owner's manual:
 
Note: If you select AUTO during cold
outside temperatures, the system directs
airflow to the windshield and side window
vents. In addition, the fan may run at a
slower speed until the engine warms up.


#4 OFFLINE   Adam Juelich

Adam Juelich

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  • LocationGreen Bay, WI
  • My C-MAX:2013
  • Current Vehicle:2013 Ford C-Max Energi

Posted 15 October 2016 - 08:20 AM

 

Right from the owner's manual:
 
Note: If you select AUTO during cold
outside temperatures, the system directs
airflow to the windshield and side window
vents. In addition, the fan may run at a
slower speed until the engine warms up.

 

 

Thanks.

 

Glad to hear it is normal, but it does seem like it takes a long time for it to start coming out of those vents.  I used to just use the manual controls but everyone kept pushing me to 'Auto.'  Not sure it performs in any useful way.



#5 OFFLINE   fotomoto

fotomoto

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  • Region:U.S. Southern Plains
  • LocationSouth Texas
  • Current Vehicle:CMAX

Posted 15 October 2016 - 01:00 PM

If you want quick heat, use EV Later to get the ICE running ASAP.  It's a WAY more efficient heater than the electric heater.  

 

And why are we talking about heaters?   It's 93F here today!!!!!!   :drop:



#6 OFFLINE   astrand1

astrand1

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  • My C-MAX:2014
  • Current Vehicle:Me= 2014 C-Max Energi 302a, White platinum metallic. wife= 2014 Fusion Hybrid

Posted 15 October 2016 - 01:34 PM

If you want quick heat, use EV Later to get the ICE running ASAP. It's a WAY more efficient heater than the electric heater.


And why are we talking about heaters? It's 93F here today!!!!!! :drop:


LOL!

#7 OFFLINE   cwstnsko

cwstnsko

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  • My C-MAX:2015
  • Current Vehicle:2015 C-Max Energi

Posted 15 October 2016 - 05:09 PM

If you want quick heat, use EV Later to get the ICE running ASAP.  It's a WAY more efficient heater than the electric heater.  

 

.....

 

I disagree, when it is very cold outside I get electric heat miles before the ICE will warm up enough to provide enough waste heat to warm the cabin. If you want to feel heat quickly when you get in the car, pre-condition the car using a go-time, or use remote start.

 

As far as efficiency is concerned, the waste heat that you describe as an efficient heater is the by-product of the inefficiency of the ICE.  If the ICE were efficient, it would suck as a heat source :-)


Edited by cwstnsko, 15 October 2016 - 05:10 PM.


#8 OFFLINE   rbort

rbort

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  • Region:U.S. Northeast
  • LocationFranklin, MA
  • My C-MAX:2017
  • Current Vehicle:Cmax Energi Titanium with Moonroof

Posted 15 October 2016 - 05:59 PM

I decided its not worth trying to use electric heat for me during the winters.  Too much range robbing from the battery I'd rather man up and use the energy in the battery to propel the car rather than heat it.  However, any time I have to drive a long distance and use the ICE when I turn on the by-product waste heat for the cabin.

 

For EV only, I've started my winter training now, been driving with no climate control since the heat of the summer let up and I don't need AC any more.  Working my way down, today I was driving in 46 degree weather.  Still warmer than that in the car, but the temps are certainly coming down.  You could see an indication that the HVB was cold as when stopped it doesn't show 4 bars of power, today I saw 3.9 bars.  When its really cold it can get as low as 3.5 bars.

 

-=>Raja.










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