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11-07-2018, 08:34 AM
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#1
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Montana Master
Join Date: Apr 2016
Location: North Lake Tahoe
Posts: 639
M.O.C. #18510
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Oil level in RAM Cummins Diesel engines
Curious question here. I have had my oil changed numerous times by 3 different RAM dealerships, and the oil level on the dipstick is confusing. I typically have them change the full synthetic oil in my Cummins 6.7 HO turbo Diesel motor every 5,000 miles because I am mostly pulling my Montana. But look at the two pics, and the oil level is "Always" past the safe area on the dipstick and goes to the next bulge in the dipstick, about 3/8' past the safe area. No comments from the peanut gallery, but is my dipstick too long? Are they just pumping in a recommended number of quarts?, or is this where the oil level should be? See the two pics.
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2017 3820FK Legacy Edition full body paint Montana, For Sale this November, 2018. 2016 Ram 3500 long bed Dually Cummins Turbo with air bags
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11-07-2018, 09:33 AM
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#2
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Montana Master
Join Date: Sep 2017
Location: Tacoma
Posts: 1,567
M.O.C. #20475
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On my 2018 3500 Ram it is above the second bump.
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Bob & Carol Washington St
2017 HC HM352RL 2018 Dodge 3500 laramie CC LB 4x4
Curt Q25 with puck system, Factory air bags
Happy Trails
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11-07-2018, 09:39 AM
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#3
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,550
M.O.C. #2283
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Some vehicles you don’t put the dipstick in all the way in especially if it is a screw in. You shove in as far as it will go in without screwing it in. I don’t know how the Cummings engine is but this should be in your owners manual.
Lynwood
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11-07-2018, 09:40 AM
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#4
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Montana Master
Join Date: Apr 2016
Location: North Lake Tahoe
Posts: 639
M.O.C. #18510
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Wondering why they have the safe zone so far from the full position?
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11-07-2018, 09:41 AM
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#5
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Montana Master
Join Date: Apr 2016
Location: North Lake Tahoe
Posts: 639
M.O.C. #18510
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There is no screw in on the dipstick. You just push it in and it clicks when it is in all the way.
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11-07-2018, 09:50 AM
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#6
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Established Member
Join Date: Mar 2018
Location: Oskaloosa
Posts: 34
M.O.C. #21345
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I am a member on turbo Diesel registry for Dodge Cummins owners. This question has been answered in their forums. The 12quart capacity is with a dry engine ie. no oil In galleys so if they are putting 12quarts in at oil change they are probably over filling slightly. Hope this clarifies the dip stick reading slightly over full
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2018 Ram 3500 srw Aisin
2018 3120 Montana
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11-07-2018, 10:02 AM
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#7
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Montana Master
Join Date: Apr 2016
Location: North Lake Tahoe
Posts: 639
M.O.C. #18510
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I'm thinking the engine will have oil all thru it, because I am sure they don't let it drain for more than a minute before they start filling it? If everyone is driving around like this, and it does not bother the engine, then I am fine. I have put about 48,000 miles on my engine so far, so it must be all right?
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2017 3820FK Legacy Edition full body paint Montana, For Sale this November, 2018. 2016 Ram 3500 long bed Dually Cummins Turbo with air bags
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11-07-2018, 10:06 AM
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#8
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Established Member
Join Date: Mar 2018
Location: Oskaloosa
Posts: 34
M.O.C. #21345
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With a12quart sump capacity I’m sure it won’t hurt a thing
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2018 Ram 3500 srw Aisin
2018 3120 Montana
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11-07-2018, 11:30 AM
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#9
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Montana Master
Join Date: Sep 2014
Location: Full Timer In Naples, Florida
Posts: 1,049
M.O.C. #15731
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My 2013 and my 2017 cummins, Synthetic oil is NOT recommended unless in extreme cold temp where the ambient temp is 20 deg or lower. The dealer will not put it in and says it can void warranty.
I know im going to get slack from that statement but it does say it in the owners manual.
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2017, 3500 Ram Big Horn, 4x4, Crew Cab, DRW, Aisin Transmission, 4:10. Curt Q20, 2014 Mountaineer 331 RLT, Sailun's on the rv and truck.
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11-07-2018, 12:10 PM
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#10
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Montana Master
Join Date: Apr 2013
Location: Arroyo City
Posts: 3,110
M.O.C. #13395
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I had my oil changed at two different dealers. Both times it was over a gallon over full. The fill cap must be removed to drain oil, and it takes 30 minutes to drain. I drained mine into a 5 gallon bucket and it overflowed
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11-07-2018, 12:48 PM
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#11
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Montana Master
Join Date: Oct 2017
Location: Trinidad, TX
Posts: 506
M.O.C. #20746
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Quote:
Originally Posted by K0LCB
I had my oil changed at two different dealers. Both times it was over a gallon over full. The fill cap must be removed to drain oil, and it takes 30 minutes to drain. I drained mine into a 5 gallon bucket and it overflowed
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You better find a different dealer! Holy crap!
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2018 Ram 3500 Laramie Longhorn 4X4 Dually Cummins Aisin CC LB / B&W Companion hitch
50 Gallon Transfer Flow in bed tank w/ Trax 3
2018 Montana 3121RL
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11-07-2018, 01:29 PM
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#12
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Montana Master
Join Date: Dec 2007
Location: Kansas City, Missouri
Posts: 2,707
M.O.C. #7992
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First time I changed my oil in the 09 I allowed it to drain well and then put in the 3 gallons. My dip stick looked just like yours. Every oil change since I put in 11 quarts and check. Always at the top of the safe zone. Cummins mechanic told me you never get all the oil out of them and keep doing what I'm doing. Has worked for 137K miles. Bonus is every fourth oil change you only have to buy 2 gallons.
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2006 3000RK
2009 Ram 2500
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11-07-2018, 02:11 PM
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#13
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,550
M.O.C. #2283
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Quote:
Originally Posted by K0LCB
I had my oil changed at two different dealers. Both times it was over a gallon over full. The fill cap must be removed to drain oil, and it takes 30 minutes to drain. I drained mine into a 5 gallon bucket and it overflowed
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I think this is quite common. I have a 2.7 F150 and you haft to let it set for 15 minutes to let the oil drain through the engine. People crawl under them take the plug out when it almost quits draining and stick the plug back in. Then they dump 6 quarts in and now it’s 2 quarts over full. This is just what happened to your Cummings.
Lynwood
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11-07-2018, 04:06 PM
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#14
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Montana Master
Join Date: Jan 2009
Location: Centerville
Posts: 1,350
M.O.C. #9051
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Quote:
Originally Posted by vipermanden
Curious question here. I have had my oil changed numerous times by 3 different RAM dealerships, and the oil level on the dipstick is confusing. I typically have them change the full synthetic oil in my Cummins 6.7 HO turbo Diesel motor every 5,000 miles because I am mostly pulling my Montana. But look at the two pics, and the oil level is "Always" past the safe area on the dipstick and goes to the next bulge in the dipstick, about 3/8' past the safe area. No comments from the peanut gallery, but is my dipstick too long? Are they just pumping in a recommended number of quarts?, or is this where the oil level should be? See the two pics.
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This topic has been beaten to death on some of the diesel forums. I have a 2014 3500 Ram 6.7 Cummins .
I change my own oil, and have let it drain for a half hour, and have let it drain overnight. The level on the dipstick has always been right at , or no more then a 1/16" ,if that, over the second hump on the dipstick when the oil is changed , which to me is the full mark, the second hump . Anything in-between the two humps is okay. Whether being overfull is okay, it sound like its okay on your truck if in reality it is overfull .
Why some are get different readings is beyond me. I put back in 3 gallons ( 12 quarts ) Part of one one goes in the new filter before replacing, but always just the 3 gallons.
One member on a diesel forum went as far as only putting in 11*5/8 quarts because it showed slightly over the full mark.
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11-07-2018, 04:13 PM
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#15
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Montana Master
Join Date: Apr 2016
Location: North Lake Tahoe
Posts: 639
M.O.C. #18510
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Eagleback, I have put full synthetic in every vehicle I have ever owned, including the Viper and two different diesel trucks etc. All of the big semis get twice or more life out of their engines using full synthetic. Three different dealers did not tell me I should not put full synthetic in my 2016 6.7 HO turbo diesel Cummins engine? Where and what does it say exactly in the manual about not using full synthetic oil? The full synthetic I use is made specifically for diesel engines and is the product that RAM stocks.
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2017 3820FK Legacy Edition full body paint Montana, For Sale this November, 2018. 2016 Ram 3500 long bed Dually Cummins Turbo with air bags
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11-07-2018, 04:42 PM
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#16
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Montana Master
Join Date: Jan 2009
Location: Centerville
Posts: 1,350
M.O.C. #9051
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Quote:
Originally Posted by Eagleback
My 2013 and my 2017 cummins, Synthetic oil is NOT recommended unless in extreme cold temp where the ambient temp is 20 deg or lower. The dealer will not put it in and says it can void warranty.
I know im going to get slack from that statement but it does say it in the owners manual.
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Not in my manual ,nor the diesel supplement does it say what you are saying. What it does say is 5W-40 synthetic is recommended at below 0 degrees,
and 15W-40 above 0 degrees . Although 5W-40 can be run at the same temperatures above 0 degrees as the 15W-40 is ran at . In other words both can be run above 0 degrees , but only 5W-40 synthetic below 0 degrees .
The reason is cold weather starts at 0 or below.
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11-07-2018, 04:47 PM
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#17
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Montana Master
Join Date: Jan 2009
Location: Centerville
Posts: 1,350
M.O.C. #9051
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Quote:
Originally Posted by vipermanden
Eagleback, I have put full synthetic in every vehicle I have ever owned, including the Viper and two different diesel trucks etc. All of the big semis get twice or more life out of their engines using full synthetic. Three different dealers did not tell me I should not put full synthetic in my 2016 6.7 HO turbo diesel Cummins engine? Where and what does it say exactly in the manual about not using full synthetic oil? The full synthetic I use is made specifically for diesel engines and is the product that RAM stocks.
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I won't engage you in dino oil and synthetic, but the issue here is cold weather starts, the synthetic if you will is thinner ,and flows better in extreme cold on startups, thats all its got to with what the manual is saying, if the engine was kept warm it wouldn't matter what oil is in there .
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11-07-2018, 05:26 PM
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#18
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,550
M.O.C. #2283
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Synthetic oil comes in a lot of high performance vehicles for a reason. It’s better oil. Do we need it is a different question. Most engines will wear out the rest of the truck but there is no question, it is better oil.
Lynwood
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11-08-2018, 09:26 AM
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#19
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Montana Fan
Join Date: Dec 2015
Location: Nokomis
Posts: 464
M.O.C. #18144
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I have a 2016 Ram 6.7 HO, Diesel supplement recommends the following word for word:
In ambient temperatures above 0°F (-18°C), we recommend you use SAE 15W-40 engine oil such as MOPAR, Shell Rotella and Shell Rimula that meets FCA Material Standard MS-10902 and the API CJ-4 engine oil category is required. Products meeting Cummins CES 20081 may also be used. The identification of these engine oils is typically located on the back of the oil container. In ambient temperatures below 0°F (-18°C), SAE 5W-40 we recommend you use synthetic engine oil such as MOPAR, Shell Rotella and Shell Rimula that meets FCA Material Standard MS-10902 and the API CJ-4 engine oil category is required.
I use the recommended Shell Rotella T6 no issues with that BUT i dont know why, but after I go about 7K on an oil change, i get a drip on my garage floor every once in a while, from the filter. I tighten it, it goes away, but might happen again. Never seem to see the level on the dip stick go down ...thoughts?
__________________
Ed
2016 Montana 3950 BR
2004 Montana 3650 RK
2019 Ram 3500 SRW Laramie CTD 6.7
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11-08-2018, 09:27 AM
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#20
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Montana Fan
Join Date: Dec 2015
Location: Nokomis
Posts: 464
M.O.C. #18144
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page 276 of the Diesel Supplement.
I have the same engine
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Ed
2016 Montana 3950 BR
2004 Montana 3650 RK
2019 Ram 3500 SRW Laramie CTD 6.7
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