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Old 01-28-2013, 05:13 AM   #15
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Originally Posted by crispyboy View Post
My truck goes no more than 5k oil changes due to the emissions components. Egr valve puts a lot of soot back into the engine and possible fuel dilution caused by dpf regeneration events.
Thats crazy. I remember in the 1990's a tire distributor here was going 50k between oil changes with their fleet of dodge 1 tons using a premium oil and doing oil samples.

Item # 8800, Monolec UltraŽ Engine Oil 8800 on Lubrication Engineers, Inc.

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Old 01-28-2013, 09:59 AM   #16
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Originally Posted by SteveH View Post
OK, I finally got the owner's manuel for the '12 Ram Cummins, and it recommends 7500 mile, or six month oil change intervals.
Maybe you should reread it. Something along the lines of when the EVIC message tells you it is due-Never to exceed 7500 miles

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Old 01-28-2013, 01:26 PM   #17
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X2 for checking out the book again, also be sure you read the portions on oil spec. I am pretty sure some of the oil's mentioned do not meet the Cummins/Chrysler requirements for the 6.7l which as I said previously is different than the 5.9 oil requirement.
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Old 02-06-2013, 10:11 PM   #18
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If the engine is idled too much on the 2010-2012 models, the soot loads up inside the exhaust system and gets an opportunity to end up in the crankcase along with fuel. A really toxic brew. This could trigger the oil change light at even 2,500 miles.

I would suggest reviewing the owner's manual diesel supplement for specific oil recommendations. Use only Cummins or MoPar fuel and oil filters to head off unpleasant warranty discussions in the future. Keep all receipts for each service with exact model and brand details of the oil and filters. The service does not have to be done by a Dodge dealer, but the correct parts need to be used by whomever does the work.

Also be sure to purge the fuel filter regularly for any water. The filter purge valve knob is real inconvenient to get to for a short person.

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