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#4665824 - 02/14/18 01:16 PM Active grille shutters
PhillyJoe Offline


Registered: 03/19/09
Posts: 656
Loc: PA
When someone asked if my car had them ('14 MKS) I was ready to say, yes, I keep them right next to the blinker fluid reservoir. Then I googled and found that my car and many others do have them. I even saw a dealer that was selling a '16 MKS which read: "Low miles, twin turbo, heated leather, active grille shutters". Funny. Then I found this:

"Some newer Ford vehicles feature active grille shutters — a system that optimizes aerodynamics by using vents to control airflow through the grille to the cooling system and engine compartment.

If air is required to cool the engine, the vents are opened. If no airflow is needed, the vents are shut, contributing to significantly reduced aerodynamic drag.

Mounted ahead of the radiator, the active grille shutters feature motorized horizontal vanes that can rotate 90º to block airflow. Automatically controlled by the car’s electronic control unit, the vanes can be rotated into 15 different positions — from fully closed to fully open — depending on the amount of cooling air required.

When fully closed, the reduction in drag means the active grille shutters can reduce CO2 emissions by 2%.

As an additional benefit, the system keeps the vanes closed as long as possible when starting from cold, so the engine reaches its most efficient operating temperature quicker. This also helps reduce fuel consumption."

You know I will have to see this in action by having someone drive my car while I am in the car in front of it. smile

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#4665829 - 02/14/18 01:20 PM Re: Active grille shutters [Re: PhillyJoe]
SatinSilver Offline


Registered: 01/24/08
Posts: 10485
Loc: OH
I remember the 2012 Chevy Cruze Eco having them. Here is a video of them in action:

https://www.youtube.com/watch?v=1Q_xc7vUlA0

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#4665830 - 02/14/18 01:21 PM Re: Active grille shutters [Re: PhillyJoe]
eyeofthetiger Offline


Registered: 11/18/17
Posts: 683
Loc: South Carolina
I appreciate the technology and the intent behind it, but I will be deactivating my Fiesta's grille shutters before summertime. The thing runs hot enough as it is. Most early 1.0 Ecoboost failures that I've read about seem to be due to some kind of overheating related to broken plastic parts in the cooling system. I can live with the 2% emission sincrease, and loss of 0.2 MPG on the highway.
_________________________
2017 Ford Fiesta 1.0T - Valvoline SynPower 5W-20, Motorcraft FL910S
1988 GMC K1500 4.3/700R4 - Supertech 15W-40, Fram TG3980
1986 Ford Ranger 2.0 - uhh

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#4665833 - 02/14/18 01:23 PM Re: Active grille shutters [Re: PhillyJoe]
bdcardinal Offline


Registered: 06/03/05
Posts: 11194
Loc: Santa Barbara, CA
We really only ever replace those on vehicles that have been in accidents.
_________________________
2014 Ford Mustang GT Track Pack
1995 Ford Mustang GT

Ford/Mazda Parts Counter
NRA Benefactor Member
Opinions expressed are my own.

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#4665835 - 02/14/18 01:25 PM Re: Active grille shutters [Re: PhillyJoe]
Snagglefoot Online   content


Registered: 12/31/17
Posts: 2095
Loc: SE British Columbia, Canada
So what's wrong with a sheet of cardboard with a flap and a string?

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#4665847 - 02/14/18 01:32 PM Re: Active grille shutters [Re: Snagglefoot]
eyeofthetiger Offline


Registered: 11/18/17
Posts: 683
Loc: South Carolina
Originally Posted By: Snagglefoot
So what's wrong with a sheet of cardboard with a flap and a string?



The EPA wants that string tied into the ECU. If you can figure out how to wire it in, then it should work.
_________________________
2017 Ford Fiesta 1.0T - Valvoline SynPower 5W-20, Motorcraft FL910S
1988 GMC K1500 4.3/700R4 - Supertech 15W-40, Fram TG3980
1986 Ford Ranger 2.0 - uhh

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#4665854 - 02/14/18 01:37 PM Re: Active grille shutters [Re: Snagglefoot]
Reddy45 Offline


Registered: 08/15/08
Posts: 3086
Loc: USA
Originally Posted By: Snagglefoot
So what's wrong with a sheet of cardboard with a flap and a string?



You joke but the truckers in the winter will put the plastic..thing.. over the front grill to block the cold air.. seems to be the same effect?

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#4665863 - 02/14/18 01:45 PM Re: Active grille shutters [Re: bdcardinal]
zzyzzx Offline


Registered: 05/18/12
Posts: 4430
Loc: Baltimore, Maryland, USA
Originally Posted By: bdcardinal
We really only ever replace those on vehicles that have been in accidents.


Yeah, but think about all the cars where it is broken, and the Owner's have no idea that it's broken.

Personally I would have no long term confidence in a cheap piece of plastic on this part of the car.

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#4665866 - 02/14/18 01:47 PM Re: Active grille shutters [Re: PhillyJoe]
Chris142 Online   content


Registered: 06/05/03
Posts: 17148
Loc: Deplorable in apple valley, ca
My 62 peterbilt had shutters instead of a thermostat.
_________________________
02 Wrangler durablend 10w40
87 F250 traveler 15w40
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#4665867 - 02/14/18 01:48 PM Re: Active grille shutters [Re: PhillyJoe]
Mr Nice Offline


Registered: 09/12/04
Posts: 21526
Loc: Orlando, FL
Another electronic thing to break right after the warranty is over, no thanks.

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#4665869 - 02/14/18 01:51 PM Re: Active grille shutters [Re: PhillyJoe]
Rand Offline


Registered: 08/20/03
Posts: 12828
Loc: NE,Ohio
the 2014+ Cherokee with the 2.4 has these.

IIRC when they break its around 600-800$ to fix

If you drive around 12000 miles per year

I think that works out to about 5$ in gas.
_________________________
2019 Jeep Cherokee Trailhawk 2.0T

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#4665874 - 02/14/18 01:55 PM Re: Active grille shutters [Re: PhillyJoe]
gman2304 Offline


Registered: 08/11/11
Posts: 3116
Loc: n.c.
Heavy trucks have had these for decades. They opened and closed mechanically by a separate thermostat. In the winter they rarely open because of the large cooling systems. I had a vinyl covering that I zipped open or closed depending on the outside temperature. On a really cold day and pulling a light load, they would be zipped up or the engine wouldn’t get hot enough to keep the cab warm.

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#4665877 - 02/14/18 01:58 PM Re: Active grille shutters [Re: PhillyJoe]
glock19 Offline


Registered: 03/12/13
Posts: 790
Loc: Virginia
My Sierra has them and I wish it didn't. They make fitting a light bar behind the grille impossible and simply removing them throws a CEL.
_________________________
2017 GMC Sierra SLT Z71 Crew Cab - His
2016 Toyota Highlander Limited - Hers

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#4665891 - 02/14/18 02:14 PM Re: Active grille shutters [Re: PhillyJoe]
ctrcbob Offline


Registered: 01/01/06
Posts: 621
Loc: Mount Dora FL, Penfield NY, R...
On a previous 2017 Continental, when looking close through the grill, I could see the shutters. Look close and you can probably see them. They run horizontally.
_________________________
Bob CTRC USN Ret.
Mount Dora FL,
Penfield NY
Roswell NM

2018 Sonata 2.0T Limited
2015 Sonata Sport 2.0T Limited

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#4665893 - 02/14/18 02:15 PM Re: Active grille shutters [Re: Mr Nice]
zzyzzx Offline


Registered: 05/18/12
Posts: 4430
Loc: Baltimore, Maryland, USA
Originally Posted By: Mr Nice
Another electronic thing to break right after the warranty is over, no thanks.


FIXED:
Another plastic thing to break right after the warranty is over.

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