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Discussion Starter · #1 ·
Hey everyone,

My brother and I had twin 2016 EcoDiesel's. He traded his in on a new 2018 3500 6.4 Hemi for the towing package he needed. I was going through his 2018 manual and the oil change interval on the 2018 EcoDiesel has been changed to 8000 miles.

I called my dealer and he checked everything and says the 2016 is still at 10,000 miles.

I was wondering if you guys think I should switch to the 8000 mile interval?
 

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Thanks. I didn't realize Ram had the 2018 Ecodiesel Manual available. I just downloaded it to look for any changes.

It looks like the oil change interval has remained the same. It's 8000 miles when using 6-20% biodiesel.

Biodiesel Fuel Requirements

A maximum blend of 5% biodiesel meeting ASTM specification
D975 is recommended for use with your diesel
engine. If frequent operation with Biodiesel blends that are
between 6% and 20% (B6–B20) is desired, the maintenance
schedule is subject to shorter intervals.
The oil and filter change along with fuel filter replacement
is subject to shorter intervals when operating your engine
on biodiesel greater than 5%. Do not use biodiesel greater
than 20%.
For regular use of biodiesel blends between 6% and 20%
(B6–B20) it is important that you understand and comply
with these requirements. Refer to the “Maintenance Plan”
in “Scheduled Servicing” for further direction.

Additional Maintenance — B6 To B20 Biodiesel
NOTE:
• Under no circumstances should oil change intervals
exceed 8,000 miles (12,875 km) or six months, whichever
comes first when using biodiesel blends greater than 5%
(B5).

Up to B5 is still at 10,000 miles or when the oil change indicator reminds you.

SCHEDULED SERVICING
Your vehicle is equipped with an automatic oil change
indicator system. The oil change indicator system will
remind you that it is time to take your vehicle in for
scheduled maintenance.
Based on engine operation conditions, the oil change
indicator message will illuminate. This means that service
is required for your vehicle. Operating conditions such as
frequent short-trips, trailer tow, extremely hot or cold
ambient temperatures will influence when the “Oil Change
Required” message is displayed. Severe Operating Conditions
will cause the change oil message to illuminate more
frequently. Have your vehicle serviced as soon as possible,
within the next 500 miles (805 km).
Your authorized dealer will reset the oil change indicator
message after completing the scheduled oil change. If a
scheduled oil change is performed by someone other than
your authorized dealer, the message can be reset by
referring to the steps described under “Instrument Cluster
Display” in “Getting To Know Your Instrument Panel” for
further information.

NOTE: Under no circumstances should oil change intervals
exceed 10,000 miles (16,000 km) or twelve months,
whichever comes first.
 

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Came across a short video for the 2018 on the Ram Owners Manual site with the following caption:

The 3.0L diesel engine in your 2018 RAM pickup provides good fuel economy, rugged durability and high torque for pulling heavy loads. When deciding whether to buy a diesel vs gas engine. Be aware that Diesels sound, feel and drive differently from a gas-powered engine.

http://video.chrysler.s3.amazonaws.com/2018/EN_US/720p/rds5520.mp4
 

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I was wondering if you guys think I should switch to the 8000 mile interval?
If you're truly concerned you'll have an oil analysis done during your next oil change. This will tell you if you should lengthen or shorten your oil change interval.

I've been changing at 10k since new and every oil analysis returned saying I could lengthen the interval.
 

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Discussion Starter · #5 ·
Thanks for the replies everyone. I thought it said in the maintenance intervals 8,000 miles. I've never picked up on the B-20 thing. I would guess I get B-20 at times. Seems like pilot or flying j had B-20 last time I was there. Where do you guys send oil samples for testing?

I will do that when I have the next oil change.
 

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Thanks for the replies everyone. I thought it said in the maintenance intervals 8,000 miles. I've never picked up on the B-20 thing. I would guess I get B-20 at times. Seems like pilot or flying j had B-20 last time I was there. Where do you guys send oil samples for testing?

I will do that when I have the next oil change.
Here's one option: https://www.blackstone-labs.com/

In my area we see 5% or less biodiesel at the standard pump.
 

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If you look around this forum you will see reports of some who have gone over the 10K mark, had their oil tested and found it good.

If you are under 100,000 miles and in warranty I would stay within the 10,000 mile interval and keep records on your oil changes.
 

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One thing I noticed on that display is a fuel filter minder.

Screen Shot 11-02-17 at 09.25 AM 001.PNG
 
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Hey everyone,

My brother and I had twin 2016 EcoDiesel's. He traded his in on a new 2018 3500 6.4 Hemi for the towing package he needed. I was going through his 2018 manual and the oil change interval on the 2018 EcoDiesel has been changed to 8000 miles.

I called my dealer and he checked everything and says the 2016 is still at 10,000 miles.

I was wondering if you guys think I should switch to the 8000 mile interval?
 

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Hi Mike
If you switch to Schaeffer oil you can keep the 10,000 mile interval and pick up even better fuel economy.
 

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Hi Mike
If you switch to Schaeffer oil you can keep the 10,000 mile interval and pick up even better fuel economy.
Specs look pretty good. I would try it for sure given a reasonible price, but at nearly DOUBLE the cost of T6 at my local walmart, no thanks.
 

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Specs look pretty good. I would try it for sure given a reasonible price, but at nearly DOUBLE the cost of T6 at my local walmart, no thanks.
How much is your engine worth? Schaeffer has 181 years in the business making quality products. You pay more but you lose 50 % of your internal friction which equates to enough fuel savings over a 10,000 mile drain to cost you less than the T6.No more dry starts which will increase engine life by 80%.
 

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I use Redline oils because they use a group V ester base stock and group V esters will cling to metal parts due to polarity and you can avoid dry starts, group V ester based oils are the best as far as I am concerned. I will be using Redline 15w-40 diesel oil in my 2019 Ram 1500 Classic Laramie ecodiesel.
 

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Here is my Blackstone Labs testing results. T6 at 10,000 mile changes. Do my own changes. I'm guessing there are better oils, so show me your results with something else that gives lower wear metals and a higher TBN at 10,000 miles. Yes, I know my phone # is on there, no worries.
 

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bumping this post cause I can't find what Im looking for and although mechanically inclined, not a diesel guy. My oil change indicator came on after 4811km (oil change done by dealership under new purchase promo) so well below its proper interval. I had a shop test it and the oil is fine. This interval has not seen much towing, less then 100km and has been nearly all hwy. We did have extreme temps on Vancouver island but the truck was only driven one day for about 60km. My question is 1) is there actually an oil sensor tied in there that measures the quality of the oil or is time/mileage based reset after an oil change and 2) resetting the indicator is simple enough however can you actually change the program interval from 16,000km (manual) to say 10,000km. I want to figure out if the dealership altered the alert settings.
 

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Here is my Blackstone Labs testing results. T6 at 10,000 mile changes. Do my own changes. I'm guessing there are better oils, so show me your results with something else that gives lower wear metals and a higher TBN at 10,000 miles. Yes, I know my phone # is on there, no worries.
People brag on the amzoil, schafers, and redline uber oils. I have no doubt they are good, but whenever it comes up how much better they are and someone posts up a T6 used oil analysis and says what does your look like, it seems like we never get to see how much better they really are...
 
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