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  #13  
Old 07-01-2015, 12:33 PM
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Re: Amazing Range

Turning off the hill start assist had no effect. Guess I will have to wait until the 20k mile mark.

Thanks all.

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  #14  
Old 07-02-2015, 09:48 AM
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Re: Amazing Range

I love the range - that was one reason I wanted the CRD engine. To date the farthest I've gone in one stretch is from Las Vegas NV to home. Only 550 miles, easy-peasy.

One day I'll take a 4-day weekend to really stretch its legs. I think I can get to Salt Lake City, a bladder-busting 800 miles away, on one tankful. I'll buy and bring a jerry can of diesel with me though, for insurance. Out there in the wide open west it can be 75 miles between diesel stations, and sometimes more.

My thought for the outbound leg is to drive at the speed limit to see if I can get 800+ miles on a tankful, and then on the return I'll drive my usual 80-90+ mph (again, that's out in the wide open west) and see what the operating range is at that speed. That will give me my min and max operating ranges for a tankful.

Sure I can do the math to derive those numbers, but I want to get out there and _DO_ it, for real.


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► 2014-03-22 @ 10 miles
► 2014-12-20 @ 10,000 miles
► 2015-01-28 @ 11,295 miles: P20EE finally fixed
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  #15  
Old 07-02-2015, 09:56 AM
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Re: Amazing Range

Quote:
Originally Posted by echo7tango View Post
I love the range - that was one reason I wanted the CRD engine. To date the farthest I've gone in one stretch is from Las Vegas NV to home. Only 550 miles, easy-peasy.

One day I'll take a 4-day weekend to really stretch its legs. I think I can get to Salt Lake City, a bladder-busting 800 miles away, on one tankful. I'll buy and bring a jerry can of diesel with me though, for insurance. Out there in the wide open west it can be 75 miles between diesel stations, and sometimes more.

My thought for the outbound leg is to drive at the speed limit to see if I can get 800+ miles on a tankful, and then on the return I'll drive my usual 80-90+ mph (again, that's out in the wide open west) and see what the operating range is at that speed. That will give me my min and max operating ranges for a tankful.

Sure I can do the math to derive those numbers, but I want to get out there and _DO_ it, for real.


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2014 JGC CRD 3.0L Overland, white/tan, Quadra-Trac II, Quadra-Lift, 265/50 Forteras on 20X8s
► 2014-03-22 @ 10 miles
► 2014-12-20 @ 10,000 miles
► 2015-01-28 @ 11,295 miles: P20EE finally fixed

If you run the tanks dry on these do you have to bleed the lines? I've run my duramax dry and bleeding the lines makes a huge mess.


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  #16  
Old 07-02-2015, 10:15 AM
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Re: Amazing Range

I filled up 2 days ago, a paltry 26.28mpg, but the low fuel light just lit and my GC took 20.93 gallons. Isn't the tank 24.5 gallons?

I haven't topped off one but yet on this vehicle. I slow the pump down the last 5 gallons maybe on the slowest speed and just let it shut off. Is anybody topping off? For the low fuel light to come on with over 3.5 gallons left seems a little early to me. That's 100 miles of range!
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  #17  
Old 07-02-2015, 10:38 AM
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Re: Amazing Range

Quote:
Originally Posted by Jsboening View Post
If you run the tanks dry on these do you have to bleed the lines? I've run my duramax dry and bleeding the lines makes a huge mess.


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We don't want to find out, do we. I know I don't! I had an '85 Vanagon Diesel that I ran dry once. Bleeding the line was a royal pain.

I figure a jerry can is cheap insurance, and not unsafe to carry, either.
(Is it safe?)
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  #18  
Old 07-02-2015, 11:03 AM
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Re: Amazing Range

Quote:
Originally Posted by echo7tango View Post
We don't want to find out, do we. I know I don't!
The manual has instructions (page 83) on "Priming if the engine has run out of fuel". This is also a standard procedure used when you replace the fuel filters and introduce air into the system. The fuel tank lift pump will readily pull fuel back into the system. The only part I'm concerned about is the HPFP (high pressure fuel pump). This pump is using the fuel as a lubricant and the specific Bosch model we have in our CRD's is known to be extremely sensitive to lack of lubrication to the point that there are documented catastrophic failures of the HPFP that end up sending metal shavings into the high-pressure rails and injectors. That's scary enough for me to not even consider going dry.
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  #19  
Old 07-02-2015, 11:14 AM
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Amazing Range

Definitely not sometime you want to have to do in dress close.

I think diesel is safer than gasoline to carry in jerry cans.


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  #20  
Old 07-02-2015, 11:26 AM
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Re: Amazing Range

Diesel (~ 100 degrees F) has a much higher flash point (much safer) than gasoline (-45 degrees F) - flash point is where the fuel evaporates to create combustible concentrations of vapor.
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  #21  
Old 07-02-2015, 07:34 PM
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Re: Amazing Range

It'll self prime, but probably not the best thing for the HPFP to run dry.
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  #22  
Old 07-04-2015, 08:29 PM
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Re: Amazing Range

Went to the Upper Peninsula, MI; long day of driving Wisconsin back roads, but right in the jeeps sweet spot of 45-60mph. 330miles covered 32.9 on EVIC and 32.9 mpg on calculator. Just cracked 3/4 tank, impressive.


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