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Old 01-06-2015, 08:01 PM
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Any advice for those who are driving in subzero temperature.

Here in Chicago area, the temperature has below below zero for 2 days. Any advice regarding how to handle GC diesel is welcome.
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Old 01-06-2015, 08:15 PM
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Re: Any advice for those who are driving in subzero temperature.

Mine stays in my warm heated garage when temp is sub-zero. I bought a winter beater for this purpose. I'm also currently filled with straight # 2 diesel that is not winterized at the pump. Any suggestions would also be welcome here in case I have to drive my Jeep. I also use Power Service diesel anti-gel(white bottle) since November. 8oz to a tank.
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Old 01-06-2015, 08:16 PM
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Re: Any advice for those who are driving in subzero temperature.

I'm in the Boston area and have the same question. Any of you who survived the Arctic Vortex last year - please enlighten us.


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Old 01-06-2015, 08:30 PM
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Re: Any advice for those who are driving in subzero temperature.

Below zero F or C? Big difference. Also, most cold areas should have winterized blends of #2 right? If not, a small bottle of diesel additive would be good insurance. And if you are truly in the Arctic, see if you can find #1 diesel.
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Old 01-07-2015, 04:49 PM
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Re: Any advice for those who are driving in subzero temperature.

Quote:
Originally Posted by hayasa View Post
Below zero F or C? Big difference. Also, most cold areas should have winterized blends of #2 right? If not, a small bottle of diesel additive would be good insurance. And if you are truly in the Arctic, see if you can find #1 diesel.
Having just survived the blast that is heading you folk's way...
Good diesel fuel for the engine.
However, before you hammer that thing onto a pothole ridden freeway or even main street, take your evic and look at the transmission temperature and note how long it takes to come up to working temperature when at/below zero.

And take it easy on the suspension/drive train until it is up to temp. Pieces might not actually shatter like they will in Alaska and similar, but working out a cold suspension and transmission isn't particularly good for them.
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Old 01-08-2015, 03:10 AM
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Re: Any advice for those who are driving in subzero temperature.

-12 tonight, and it started like a champ. Last year, the coldest temp I saw was -26 and it ran fine. The only problem when it was -26 is the remote start did not work, because if it does not start on the first crank, the remote start disengages. It started fine manually at that temp. Your local gas station should have a winter blend, so no need to worry about the fuel. The DEF lines are heated, so no worries there. Some people have added diesel anti gel to their fuel, but I never have. Just hope it warms up soon - I'm already tired of winter.
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Old 01-08-2015, 07:33 AM
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Re: Any advice for those who are driving in subzero temperature.

Generically speaking the major concern about running diesels in very cold weather is the possibility of water in the fuel freezing.
This happened to me in the early 90's when I bought my first diesel. The best ways to prevent this is to buy fresh diesel. I also occasionally run some diesel fuel conditioner ( in my case Stanadyne Performance Formula) to help absorb any water in the system.
I usually start the truck and let it warm up a minute or two before actually driving it. On our bigger trucks (I'm in construction) we block off the front of the radiator to minimize the amount of cold air getting into the engine bay although I'm not sure that that would be required with our jeeps.
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Old 01-08-2015, 11:53 AM
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Re: Any advice for those who are driving in subzero temperature.

Have had my GC in Sweden for 2 winters now. It's a good winter car. Starts without issues and innertemp heats up rather quickly, even with -20'C. Like some said, I do check the engine oil and transmission temperatures as they are rather slow to heat up when it is really cold. I have the overland with the air suspension and no problems at all. Car doesn't even squeak! Keep it in snow mode in slippery conditions though.
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Old 01-08-2015, 03:41 PM
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Re: Any advice for those who are driving in subzero temperature.

Was -10 today in Northern IN and remote start worked fine... been very cold last 2 days and no driving /starting problems at all...!
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Old 01-08-2015, 04:07 PM
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Re: Any advice for those who are driving in subzero temperature.

Thanks everyone.
In such conditions, how long you should warm up the engine before driving?
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Old 01-08-2015, 05:06 PM
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Re: Any advice for those who are driving in subzero temperature.

Fire it up, wait about 30 seconds or so and then drive away gently. Remember, diesels take longer than gas motors to warm up......
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Old 01-08-2015, 05:11 PM
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Re: Any advice for those who are driving in subzero temperature.

and don't forget to install one of Doms DEF shields - avoid deep snow etc until you do.
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