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Old 10-22-2014, 08:34 PM
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AERO Mode

Just curious for those who have the air suspension,

Is it possible to prevent the vehicle from going into aero mode? I know putting it in sport mode does this automatically, and the owners manual states that when in eco-mode it will do it automatically after reaching or sustaining certain speeds.

I was hoping that if I turn off eco-mode, or if any of the off road selections would prevent it from going into aero mode, but that does not seem to be the case.

Reason I'm asking is because I routinely drive above the speeds that drop the vehicle into aero mode in the winter while driving in snow. I have the 275 duratracs on now and would like to keep the clearance between the fenders and the tires maximized, there isn't much room now, let alone the vehicle dropping into aero mode once the snow and ice build up in the wheel wells.

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Old 10-23-2014, 08:51 AM
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Re: AERO Mode

I know it is kind of crazy.. but there is no way to disable aero mode.. Jeep gave us the option to select the modes we want but then they take them away from us..

I'm hoping someone will come out with an after market programmer like the Superchips traildash for the JKs that allows us to override some of this stuff..

Good concern about ice buildup when into aero with the 275/65s..
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Old 10-23-2014, 10:25 AM
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Re: AERO Mode

If you are in SnowMode when, well...it's snowy...I don't believe the vehicle will go into Aero. But I could be wrong about that.
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Old 10-23-2014, 01:02 PM
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Re: AERO Mode

Quote:
Originally Posted by Jim_in_PA View Post
If you are in SnowMode when, well...it's snowy...I don't believe the vehicle will go into Aero. But I could be wrong about that.
Jim, you are correct. The air suspension will be in the "normal" ride height when in the 'snow" mode.

From the owners manual:

When in Snow mode (depending on
certain operating conditions), the transmission may
use second gear (rather than first gear) during
launches, to minimize wheel slippage. If equipped
with air suspension, the level will change to Normal
Ride Height (NRH) if the transfer case is in high range.
The level will change to Off-Road 1 if the transfer case
is in Low range.
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Old 10-23-2014, 01:39 PM
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Re: AERO Mode

Hate to say this but I've already tried this without snow on the ground. Put it in snow mode, get on the highway, and into aero mode you go. Maybe someone else wants to do that to confirm its operation. It did launch from 2nd gear, but also drops into aero mode
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Old 10-23-2014, 02:16 PM
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Re: AERO Mode

I suspect it has something to do with Jeeps poor initial moose avoidance test results and there being too much body roll..

It is only a guess but I figured it goes into aero mode to tighten up the sway for safety reasons..
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Old 10-23-2014, 02:34 PM
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Re: AERO Mode

Quote:
Originally Posted by jjeling View Post
Hate to say this but I've already tried this without snow on the ground. Put it in snow mode, get on the highway, and into aero mode you go. Maybe someone else wants to do that to confirm its operation. It did launch from 2nd gear, but also drops into aero mode
Hmmm....considering what you see happening, maybe the owners manual is just referring to it switching to Normal Ride Height at launch from the lower Entry/Exit position that the vehicle may be in. However, when I read further in the owners manual, it stated that if the Select Terrain mode was in OR1, that above 50mph it would automatically drop from OR1 to Normal Ride Height. Maybe that is the only way to prevent it from going into Aero Ride Height. Use OR1 instead of Snow setting.
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Old 10-23-2014, 08:05 PM
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Quote:
Originally Posted by jjeling View Post
Hate to say this but I've already tried this without snow on the ground. Put it in snow mode, get on the highway, and into aero mode you go. Maybe someone else wants to do that to confirm its operation. It did launch from 2nd gear, but also drops into aero mode
I can back your data up. 2nd gear starts were nice running the stock tires.
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Old 10-26-2014, 12:44 PM
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Re: AERO Mode

Quote:
Originally Posted by JeepingNet View Post
I suspect it has something to do with Jeeps poor initial moose avoidance test results and there being too much body roll..

It is only a guess but I figured it goes into aero mode to tighten up the sway for safety reasons..
AFAIK, been that way long before the Moose tests...
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Old 10-26-2014, 02:31 PM
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Re: AERO Mode

I was thinking about the snow build up while you're zipping around at 50+ mph. The wheel wells will fill up pretty quickly with snow and slush, except where the spinning tires toss it aside. Having less clearance means less build up, which means you are adding less weight to the vehicle. Might be a good thing. Maybe not, but something to think about. The added weight might be enough to increase the stopping distance which may already be increased do to a slippery road way.


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Old 10-26-2014, 03:18 PM
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Re: AERO Mode

Quote:
Originally Posted by bill_de View Post
I was thinking about the snow build up while you're zipping around at 50+ mph. The wheel wells will fill up pretty quickly with snow and slush, except where the spinning tires toss it aside. Having less clearance means less build up, which means you are adding less weight to the vehicle. Might be a good thing. Maybe not, but something to think about. The added weight might be enough to increase the stopping distance which may already be increased do to a slippery road way.


---
Another way to look at it might be that the added weight increases the down force on the tires to the road surface, which would increase traction, which, in turn, might decrease the stopping distances. Who knows? It kind of has the makings of a good double blind scientific test.
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Old 10-27-2014, 04:53 PM
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Re: AERO Mode

Quote:
Originally Posted by jjeling View Post
Just curious for those who have the air suspension,

Is it possible to prevent the vehicle from going into aero mode? I know putting it in sport mode does this automatically, and the owners manual states that when in eco-mode it will do it automatically after reaching or sustaining certain speeds.

I was hoping that if I turn off eco-mode, or if any of the off road selections would prevent it from going into aero mode, but that does not seem to be the case.

Reason I'm asking is because I routinely drive above the speeds that drop the vehicle into aero mode in the winter while driving in snow. I have the 275 duratracs on now and would like to keep the clearance between the fenders and the tires maximized, there isn't much room now, let alone the vehicle dropping into aero mode once the snow and ice build up in the wheel wells.
Set the suspension to snow mode when driving in snow... inhibits aero mode in addition to using a higher gear when starting from a stop.

You don't need larger tires, driving in really cold slushy ice can build up enough ice below vehicle and in wheel wells it won't be able to go to aero or park.
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