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  #1  
Old 05-19-2014, 01:58 PM
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ENGINE shut off while off roading

Anyone else have this issue?

I took my SFU out in some fun off roading. I came up to a hill that was very steep. In the process fo trying to climb it I got a warning that said oil level low and the jeep SHUT OFF ON A HILL...I lost all power obviously and started to roll backwards. I was fighting to keep it stright so I wouldn't roll. Once I was back to semi level ground I was able to hit the pushbutton start and everything was fine.
Was just an unexpected issue that had me highly concerned.

I used this bad girl to drag some huge trees on our property! This beast is unstoppable unless your on a hill apparently.
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Old 05-19-2014, 05:23 PM
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Re: ENGINE shut off while off roading

Wow that's pretty bad. I wonder if NHTSA would be interested in offroad complaints? Maybe tell them you were driving in San Francisco?
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Old 05-19-2014, 05:27 PM
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Re: ENGINE shut off while off roading

That is scary!
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Old 05-19-2014, 07:36 PM
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Re: ENGINE shut off while off roading

Forgot to say I have a 2014 JGC Overland EcoDiesel, fully loaded.
To be fair though the hill really was extreamly steep, at points all 4 wheels were spinning and I was fishing for a way to drag myself up, which we had been able to do on a few of the slightly less steep hills. However it was a blast looking at sky and being pressed back into my seat.

Also, I am looking at getting that DEF shield that one of the guys on here is fabricating! I enjoy offroading and the thought that a twig could snap off a piece of plasting that could cripple the SFU...
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Old 05-20-2014, 01:55 PM
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Re: ENGINE shut off while off roading

Quote:
Originally Posted by AFSSgt View Post
Forgot to say I have a 2014 JGC Overland EcoDiesel, fully loaded.
To be fair though the hill really was extreamly steep, at points all 4 wheels were spinning and I was fishing for a way to drag myself up, which we had been able to do on a few of the slightly less steep hills. However it was a blast looking at sky and being pressed back into my seat.

Also, I am looking at getting that DEF shield that one of the guys on here is fabricating! I enjoy offroading and the thought that a twig could snap off a piece of plasting that could cripple the SFU...
If you do this a lot, you might want to google around for aftermarket oil pans and even oil pickups that can handle the severe angles better. I'd probably ping Gale Banks first.
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Old 05-20-2014, 03:01 PM
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Re: ENGINE shut off while off roading

That is neither acceptable nor normal. Have it looked into - perhaps you should try and replicate it - but I would not even know where to suggest. Depending on where you live, some multistory parking lots do have a steep first floor ramp.

I've driven on slopes as steep as these (see below) and similar conditions for a few hours under ORA-2 4-LO conditions and I had nothing but giggles... I do not have the diesel engine though.
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Old 05-20-2014, 04:52 PM
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Re: ENGINE shut off while off roading

What angle should a motor be able to operate at without starving for oil? We don't know the angle the OP was at. If it was less than the rated approach or departure angles, I agree...Unacceptable. If the hill gets progressively steeper (as he said it did), at some point the oil has to pool in the rear of the motor and the pickup tube draws air. Damage occurs soon thereafter. Same thing going downhill but may not occur as quickly since the motor is at a lower rpm and pumping less oil.

Keep I'm mind diesels hold 8 quarts and certain components like the turbo bearings can't be starved. The larger oil pan also allows more room for pooling on an incline.

Do most gas engines even have a shutoff for such situations?
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Old 05-20-2014, 06:04 PM
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Re: ENGINE shut off while off roading

Quote:
Originally Posted by ExcursionDiesel View Post
What angle should a motor be able to operate at without starving for oil? We don't know the angle the OP was at. If it was less than the rated approach or departure angles, I agree...Unacceptable. If the hill gets progressively steeper (as he said it did), at some point the oil has to pool in the rear of the motor and the pickup tube draws air. Damage occurs soon thereafter. Same thing going downhill but may not occur as quickly since the motor is at a lower rpm and pumping less oil.

Keep I'm mind diesels hold 8 quarts and certain components like the turbo bearings can't be starved. The larger oil pan also allows more room for pooling on an incline.

Do most gas engines even have a shutoff for such situations?
Gas engines have a somewhat drastic shut-off, called the main bearings, rod bearings, etc.

I just wonder with that same engine being qualified for military use by Gale Banks if they have baffled oil pans and better pick up technology as options for folks who like to stand Jeeps on their tails..
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Old 05-20-2014, 06:55 PM
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Re: ENGINE shut off while off roading

So After asking some questions around the net, and talking to the dealership, it boils down to this: I am pretty lucky the the engine has an auto shutoff ability. Apparently engines seize when they dont have oil working through them! The jeep has been looked at and there are no issues. Just glad I have a car that is smarter than I am!
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Old 05-21-2014, 12:12 PM
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Re: ENGINE shut off while off roading

Quote:
Originally Posted by lstowell View Post
Gas engines have a somewhat drastic shut-off, called the main bearings, rod bearings, etc.

I just wonder with that same engine being qualified for military use by Gale Banks if they have baffled oil pans and better pick up technology as options for folks who like to stand Jeeps on their tails..

Agree I imagine a baffled pan or change to the pickup will be available some day for the hard-core off roadie.

Nice that it shut down for you though, despite being scary.
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Old 05-22-2014, 06:08 PM
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Re: ENGINE shut off while off roading

This exact thing has happened to me twice on an extreme hill while offroading. I have a 3.6 gas v6 though.
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Old 05-22-2014, 09:02 PM
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Re: ENGINE shut off while off roading

Interesting, has an oil level pickup or inclinometer sensor to prevent oil starvation. What kind of angles are we talking about here? 30? 40? 45+?
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