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Old 01-31-2014, 02:36 PM   #21
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Originally Posted by 2012FB View Post
This is direct from the sales manager:

"I just got word. They checked everything out and there is nothing wrong with the car. They determined that the fuel that was put in there was not good. Talking with my Chrysler rep I found out there are 2 kinds of diesel fuel 1&2. The standard diesel you get at King Soopers or Velaro etc has many additives. Which cut down the performance and increase temp. The diesel #2 is recommended for the vehicle from Chrysler and you can get it at any truck stop. He said the diesel #1 is almost half as efficient. This was a learning experience for me. I have been getting 25mpg in my diesel and the Chrysler rep said that I would get 4-5 mpg better by using that fuel. I am in process of getting the car down to the truck stop to put the #2 diesel fuel in it and see the difference. Maybe we could try it again next week when the weather gets better to see the difference."

I am 20 plus years with diesel tow vehicles and fuel was not the problem. I don't even know of a station in the Denver metro area that sells #1. I filled it up with Shell #2 which is what I always try to buy. I tend to stay away from truck stop fuel. At this point I would not purchase the Jeep based on my experience, their response and am not interested in trying it again.

I would recommend that anyone interested in the GC tow your trailer under max conditions before committing. Perhaps they did find something wrong and simply want to blame the fuel, but I am not going to risk it even though I liked it and the advanced features (air suspension, adaptive cruise etc.).
Yeah, I don't think so either! #1 vs #2 would have no affect on coolant temp. It might have some affect on longevity of the high pressure pump and maybe injectors ans SOME affect on mileage, but not as much as they say above.
I can't see it affecting the shift pattern either.
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Old 01-31-2014, 02:37 PM   #22
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I'm confused, is your Jeep a rental? To see if you liked it? Can you just give it back and say it didn't work for you? Or are you stuck with it?
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Old 01-31-2014, 02:49 PM   #23
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I was very interested in purchasing the unit and told the dealer I would not without first towing my trailer from Denver to Silverthorne. The dealer balked and told me I could not tow with a new unit and then called back to say they had a 2014 trade in with 600 miles and I could take that for the test whichI did. I am also waiting for better weather to do the same with the Touareg TDI and ML350 BlueTec before deciding between the two.


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I'm confused, is your Jeep a rental? To see if you liked it? Can you just give it back and say it didn't work for you? Or are you stuck with it?
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Old 01-31-2014, 02:51 PM   #24
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Oh... Very generous dealer. Sounds like you lucked out, good for you. Good luck with your other choices.
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Old 01-31-2014, 03:39 PM   #25
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I wonder why someone traded in a vehicle with 600 miles. Hopefully the particular unit has problems and it's not a general capability problem with the platform.
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Old 01-31-2014, 03:42 PM   #26
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I was wondering the same thing... Perhaps it was a demo?
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Old 01-31-2014, 03:48 PM   #27
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Or a buyback....but that should come with a disclosure. Wonder what the warranty history shows in the system?????
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Old 01-31-2014, 05:18 PM   #28
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Kinda like a mystery show here, each post reveals a few more clues but the truth is yet to be known.
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Old 01-31-2014, 05:24 PM   #29
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I thought you were supposed to let the
Engine break in before the first tow? May be have 1000 miles on it?
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Old 01-31-2014, 06:26 PM   #30
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Yes, 1000 miles before first tow, still - why is this Jeep GC Oil Burner available for sale after only 600 miles on the clock?

I have talked with two folks who both have the Jeep Grand Cherokee Diesel, one tows a 23FB Airstream (2012 model) while the other tows his Viper in a car hauler.

Both have been in my Touareg TDI diesel back when I owned it (and have driven it when towing a motorcycle trailer on trips), one owned a Touareg diesel herself and they both say they LOVE the Grand Cherokee diesels and have towed through mountains, etc. with zero issues....

The number 1 diesel over number 2 diesel is boulder dash...

Go try a new one, this one has an issue (like someone ran some odd diesel additive, non ultra low sulfur diesel, perhaps filled tank with some gas, etc.) with damage to injectors or something and with said issue only surfacing when the GC needs to use the torque of the engine....
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Old 02-01-2014, 04:05 AM   #31
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Admit I'm biased but if you try the ML there won't be any need for further comparisons.
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Old 02-01-2014, 07:31 AM   #32
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Admit I'm biased but if you try the ML there won't be any need for further comparisons.

I second that. It produces 455 ft-lb of torque at 1600 RPM -- more than any other SUV or half ton pickup. I have also never heard of a MB diesel overheating.
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Old 02-01-2014, 07:37 AM   #33
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Um....2014 Silverado gasser 6.2l MaxTow has 460 torque.
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Old 02-01-2014, 07:41 AM   #34
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Touareg V10 Diesel = 553 lb-ft @2000 rpm
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Old 02-01-2014, 07:42 AM   #35
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Um....2014 Silverado gasser 6.2l MaxTow has 460 torque.

At what rpm?
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Old 02-01-2014, 07:43 AM   #36
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Touareg V10 Diesel = 553 lb-ft @2000 rpm

That vehicle is not being produced anymore
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Old 02-01-2014, 07:46 AM   #37
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That vehicle is not being produced anymore
Yes but you can still buy them.
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Old 02-01-2014, 07:46 AM   #38
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At what rpm?
4100 rpm. But, I'm just picking on you due to the broad statement. We all know the pros and cons of gas vs. diesel. But Mojo kind of superseded that statement more accurately anyway.
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Old 02-01-2014, 11:33 AM   #39
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Quote:
Originally Posted by 2012FB View Post
This is direct from the sales manager:

"I just got word. They checked everything out and there is nothing wrong with the car. They determined that the fuel that was put in there was not good. Talking with my Chrysler rep I found out there are 2 kinds of diesel fuel 1&2. The standard diesel you get at King Soopers or Velaro etc has many additives. Which cut down the performance and increase temp. The diesel #2 is recommended for the vehicle from Chrysler and you can get it at any truck stop. He said the diesel #1 is almost half as efficient. This was a learning experience for me. I have been getting 25mpg in my diesel and the Chrysler rep said that I would get 4-5 mpg better by using that fuel. I am in process of getting the car down to the truck stop to put the #2 diesel fuel in it and see the difference. Maybe we could try it again next week when the weather gets better to see the difference."

I am 20 plus years with diesel tow vehicles and fuel was not the problem. I don't even know of a station in the Denver metro area that sells #1. I filled it up with Shell #2 which is what I always try to buy. I tend to stay away from truck stop fuel. At this point I would not purchase the Jeep based on my experience, their response and am not interested in trying it again.

I would recommend that anyone interested in the GC tow your trailer under max conditions before committing. Perhaps they did find something wrong and simply want to blame the fuel, but I am not going to risk it even though I liked it and the advanced features (air suspension, adaptive cruise etc.).

What nonsense from the sales manager! I would speak with the service manager or find another dealer. The additives in ultra low sulphur #2 diesel, which is the fuel required for this vehicle, are not the problem. Yes, you might get some bad stale fuel from some low volume outlet. Truck stops are high volume, not a problem. Some outlets in very cold climates do switch to a diesel blend to minimize gelling. I wouldn't use either a blend or biodiesel in my GC. Stick with known brands in stations that pump a lot of fuel.

The dealer should dump the 'bad' fuel, change the fuel filter and then test the vehicle with good fuel. The real cause of your overheating has not been found.

Safe Travels,
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Old 02-01-2014, 11:45 AM   #40
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Admit I'm biased but if you try the ML there won't be any need for further comparisons.

Well, that's one opinion. I did test the ML, and then purchased the GC for it's more capable features and equal if not better refinements. Different strokes for different folks.

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