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Dodge Ram Cummins Diesel Questions

647 messages,  Last post on Dec 04, 2009 at 5:09 PM

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What is this discussion about? Dodge Ram Pickup 2500, Dodge Ram Pickup 3500, Diesel, Truck

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#533 of 647 04 Dodge 3500 w/cummins by ramcharger Mar 30, 2009 (9:25 am)
i just purchased this truck. It's a 4x4 automatice 4dr dually. i noticed a comment today that got me wondering. 04 vs 04.5 What's the difference? How do you know which you have? I don't know the rear gear, but with stock 235/80/17's I'm turning around 2000 at 70. The fuel milage is poor in my way of thinking. I see others have the same questions about milage. Anyone had first hand experience with Bullydog stuff. Considering it. Thanks Replies to this message: kcram (Mar 30, 2009 4:26 pm)
#534 of 647 oil color by ramcharger Mar 30, 2009 (9:40 am)
Does the oil change to black quickly in Diesel engines? I just bought this 04 Dodge and the previous owner said he just changed the oil. I drove it 800 miles home and the oil was black as coal. I changed it and the filter. The oil went black again almost immediately. Is this a concern? Can I clean out the engine? Thanks
#535 of 647 Re: 04 Dodge 3500 w/cummins [ramcharger] by kcram HOST Mar 30, 2009 (4:26 pm)
Replying to: ramcharger (Mar 30, 2009 9:25 am) To check the engine, look on the driver's side valve cover. If it says "ISB 305", it's an early 04. If it says "ISB 325", it's an 04.5.   You have 3.73 axles... essentially, you have the same truck I do, just that mine is a 2005.   As for the oil, yes, it turns black almost instantly - nothing to worry about.   kcram - Pickups/Wagons Host
#536 of 647 follow up by ramcharger Mar 31, 2009 (6:05 am)
Thanks kcram. It is an 04.5. So what is my question. Does this mean an HO? Is there a way to get the torque converter to lock up earlier? At low speeds, the engine RPM is way up compared to ground speed. Could save alot of fuel, more like a manual. Was reading about this last night. Is it only available on Fords? Replies to this message: kcram (Mar 31, 2009 5:03 pm)
#537 of 647 04 Ram Idling rough by emdenton Mar 31, 2009 (7:12 am)
I have an 04 Ram 2500 Cummins with 130k miles. i have recently ran biodiesel in my engine. since i did this, my engine has been idling very rough and vibrating at speed. i have since switched back to petro and i still have the same issue. i have changed the fuel filter twice, but no help. can someone help me on this and give me an idea on what the problem could be? Replies to this message: jason97 (Apr 13, 2009 4:12 pm)
#538 of 647 Re: 97 ram starting problem [kcram] by sheppardbs Mar 31, 2009 (3:54 pm)
Replying to: kcram (Mar 27, 2009 6:13 pm) Kcram............thanks for the info....had my batteries checked ...they're ok, but the starter is pulling way to many amps........255,000 miles , I guess i've gotten my money's worth out of the starter.... Replies to this message: kcram (Mar 31, 2009 5:06 pm)
#539 of 647 Re: follow up [ramcharger] by kcram HOST Mar 31, 2009 (5:03 pm)
Replying to: ramcharger (Mar 31, 2009 6:05 am) For 2003 and the first part of the 04 model year (summer to Dec 2003), there were 3 different ratings for the Cummins: - 235/460 = California - 250/460 = standard output (2003 only) - 305/555 = high output In January 2004 (2004.5), they were all replaced by one 50-state legal engine rated at 325/600.   The TC will not change its lockup pattern unfortunately. For 2005, the calibration was revised and I have different shift points and lock-up speeds than your 2004.5, plus I have Tow/Haul instead of OD-off. (It would be a while before the 48RE was allowed to have both.) You can probably ask a dealer if your transmission software is up to date, although a reflash is not reversible if you don't like what happens afterward.   kcram - Pickups/Wagons Host
#540 of 647 Re: 97 ram starting problem [sheppardbs] by kcram HOST Mar 31, 2009 (5:06 pm)
Replying to: sheppardbs (Mar 31, 2009 3:54 pm) Yep, 12 years out of a diesel starter... it did the job!   kcram - Pickups/Wagons Host
#541 of 647 Re: New turbocharge [blackone] by oldtech Mar 31, 2009 (8:18 pm)
Replying to: blackone (Feb 07, 2009 9:40 am) ALL I CAN SAY IS MAY GOD HELP YOU. I ALSO MADE THE MISTAKE OF BUYING ONE OF THESE TRUCKS BUT AFTER 7 CHECK ENGINE LIGHTS IN 6000 MILES AND OVER 2 MONTHS TOTAL TIME IN THE SHOP DODGE BOUGHT MINE BACK. APPARENTLY THIS BLUTECH 6.7 DIESEL WAS NOT MADE FOR THE AVERAGE DRIVER. THIS TRUCK HAS TO BE RUN HARD DAY IN AND DAY OUT OR EVERYTHING IN THE BLUTECH EMISSIONS SYSTEM WILL CLOG UP AND TURN THE MIL ON. GET RID OF IT WHILE YOU CAN. CALL DODGE AND REQUEST A BUYBACK. THEY BOUGHT MINE BACK ON THE FIRST TRY. I NOW HAVE A 2008 RAM 1500 HEMI THAT SERVES THE PURPOSE. GOOD LUCK. OLDTECH
#542 of 647 cummns temp. by barrc_ranch Apr 02, 2009 (7:20 am)
I have a 2002 dodge 2500 w/cummins auto, 4:10 rear end, 4 wheel drive, extended cab shortbed with 150,000 miles on it. everything works great like it should but when i take off from a light the temp goes up to about 210 degrees, after i cruise for a min. it goes back to normal (under 200) it never overheats or feels like it runs hot but it is bothering me. It also goes up to about 205 degrees stoped at a light with the air conditioner on idleing in the sun with no shade. If you are in the shade it doesnt affect it. On the interstate at 70 mph it is at about 2000 rpms and it runs at like 195 degrees which is normal in my experience.. If anyone has any idea on what it might be please let me know so I can take care of it. Replies to this message: roland3 (Apr 16, 2009 4:34 am) barrc_ranch (Apr 17, 2009 3:27 pm)

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