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Charlie, are you saying you can’t see any graphics in Parts.Cummins.Com?? Just tested mine using the ESN from my 2020 Ram. All kinds of graphics…wondering if you have a browser issue?

I always thought that agreement between Ram and Cummins was a stunning display of Corporate greed..

Nice truck!! Drill Baby, Drill!! Just gotta have cab lights!! IMHO! I’ve had them on all of my Rams and luckily no leaks.

I’m driving mine right now, I can’t find anyway to outwit it…

Has anyone purchased a radio from “Infotainment” ? Want to upgrade from the Tradesman radio with the 5” screen to the UBD Uconnect 5 8.4” display with wireless CarPlay. Not cheap but plug and play from what I read. Have no interest in the 12” version…

Exactly. Do just like Freightliner does and shut the line off that comes out of the cylinder head. That’s all that is needed.

My conclusion…you can close the heater feed line (the line from the cylinder head) off and not hurt the coolant flow at all.

Now for the EGR cooler lines…Number 16 is the EGR Coolant return line. Note that both the heater return line and the turbo drain line connect to Number 16.

Ok, took a minute to fetch some graphics…again this is on my 2020 truck. Your results may differ…but they shouldn’t.. Number 11 below is the turbo coolant drain..

For those wondering why that engine is a lot of money… That is a 2WS Cat Reman new content engine. Block, crank and cylinder head are new, not remanufactured. Any comparable engine including Cummins and Detroit up to that emissions tier can be turned for core credit. EPA is happy with that as...

In my experience with trucks the turbo placement is more from a design standpoint, not performance. They move it to and fro depending on what else needs room on that side of the engine, where the optimum exhaust placement is for the chassis, etc.. For example, Cat 3406 engines typically offered...

Hard to see the turbo and manifold on a full dressed 6.7 stuffed in under the cab of an M2, plus air cleaner is right in the way….but it LOOKS like the turbo is centered on the manifold…more on that as soon as I get one in here with the air cleaner removed.

I have not fallen asleep at the wheel either, just not much free time so far this week. I did begin a study of the coolant flow piping using my 2020 as the test case. Turbo and EGR cooler lines will not be affected by shutting off the heater line that comes from the cylinder head. I will...

I can’t remember the manifold configuration, I think the turbo is towards the front…I will look in the morning..

Way, way back before A/C was common in big trucks and heat from direct drive engine fans would literally roast a driver in the summer we used these valves to shut the water off to the heater core in hopes to drop the in cab temps just a bit…and also were very handy if the heater core was...

I got involved in one of these debates years ago and vowed never again…because nobody listened..but here I am..:D So here is a brand new Freightliner M2 on our lot that just rolled in from the upfitter.. Notice engine make and nomenclature….and the dreaded valve…from the FACTORY! Neither DTNA...

Truck also has Ambulance Prep so this “JJ7” code may go with that instead of being a standalone option? Maybe sag2 can look at that…

Not all are speed limited…this is my truck and it’s set to 102 mph.

All good points!