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#4500516 - 08/28/17 04:47 PM 2012 6.7 Cummins 11,000 mile OCI Valvoline CK4
hollnagelc Offline


Registered: 04/06/13
Posts: 56
Loc: Texas, good old USofA
Premium blue 15w/40 CK4

_________________________
2012 Ram 3500 6.7 Cummins 68rfe auto trans.
Oil what's on sell or how I feel that day and fleetguard stratapore filters.

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#4500532 - 08/28/17 05:07 PM Re: 2012 6.7 Cummins 11,000 mile OCI Valvoline CK4 [Re: hollnagelc]
92saturnsl2 Offline


Registered: 03/02/04
Posts: 1267
Loc: Flaherty, KY
Nice to see some CK-4 reports showing up, many thanks. I used the old Premium Blue (CJ-4) in my old Ford 460 a time or two. Looking at the CK-4 composition, I'd trust it in my gas engine.

The wear metals looks decent, I see nothing concerning. Aluminum is trending upward, but that's the beauty of oil analysis-- we're talking peanuts here (alum is still low in the grand scheme of things) but if it keeps trending upwards I'd start asking questions.
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1985 F-250HD 7.5L 4x4 135k- Maxlife 15w-40 HDEO [for sale]
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96 Maxima GLE 248k Castrol Edge 5w-50
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#4500548 - 08/28/17 05:28 PM Re: 2012 6.7 Cummins 11,000 mile OCI Valvoline CK4 [Re: hollnagelc]
Donald Offline


Registered: 03/21/04
Posts: 20446
Loc: Upstate NY
Are you adding any coolant? Is the overflow staying at a constant level?

Maybe add some UV dye in the coolant.
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2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)


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#4500554 - 08/28/17 05:35 PM Re: 2012 6.7 Cummins 11,000 mile OCI Valvoline CK4 [Re: Donald]
hollnagelc Offline


Registered: 04/06/13
Posts: 56
Loc: Texas, good old USofA
Originally Posted By: Donald
Are you adding any coolant? Is the overflow staying at a constant level?

Maybe add some UV dye in the coolant.


Haven't had to add any coolant. I need to check it again. I changed the coolant at 100,000 miles. My reports have pretty much always had higher aluminum and potassium than normal.
_________________________
2012 Ram 3500 6.7 Cummins 68rfe auto trans.
Oil what's on sell or how I feel that day and fleetguard stratapore filters.

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#4500579 - 08/28/17 06:03 PM Re: 2012 6.7 Cummins 11,000 mile OCI Valvoline CK4 [Re: hollnagelc]
Neely97 Offline


Registered: 06/13/06
Posts: 370
Loc: Texas
That's what I use in my 2011 3500.
Thanks for the report.
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#4500657 - 08/28/17 07:27 PM Re: 2012 6.7 Cummins 11,000 mile OCI Valvoline CK4 [Re: hollnagelc]
Donald Offline


Registered: 03/21/04
Posts: 20446
Loc: Upstate NY
Aluminum is typically the pistons. Potassium is typically from coolant.

Have you tried other oils and done UOA?
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2015 Subaru Forester 2.5 engine/CVT
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#4500668 - 08/28/17 07:40 PM Re: 2012 6.7 Cummins 11,000 mile OCI Valvoline CK4 [Re: hollnagelc]
dnewton3 Offline



Registered: 05/14/07
Posts: 7389
Loc: Indianapolis, IN
VOA from pqia
http://pqiadata.org/Valvoline_Blue_15W40_4192017.html

I suspect a coolant leak; likely slow but subtle.
What coolant are you using? Can you get some info on it?
_________________________
The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money

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#4500690 - 08/28/17 08:00 PM Re: 2012 6.7 Cummins 11,000 mile OCI Valvoline CK4 [Re: dnewton3]
hollnagelc Offline


Registered: 04/06/13
Posts: 56
Loc: Texas, good old USofA
Originally Posted By: dnewton3
VOA from pqia
http://pqiadata.org/Valvoline_Blue_15W40_4192017.html

I suspect a coolant leak; likely slow but subtle.
What coolant are you using? Can you get some info on it?


When i changed the coolant at 100,000 miles I used Valvoline Zerex G-05 coolant.

Product info sheet.
https://sharena21.springcm.com/Public/Do...10-ac162d889bd3


Edited by hollnagelc (08/28/17 08:08 PM)
Edit Reason: Add link
_________________________
2012 Ram 3500 6.7 Cummins 68rfe auto trans.
Oil what's on sell or how I feel that day and fleetguard stratapore filters.

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#4500694 - 08/28/17 08:01 PM Re: 2012 6.7 Cummins 11,000 mile OCI Valvoline CK4 [Re: hollnagelc]
hollnagelc Offline


Registered: 04/06/13
Posts: 56
Loc: Texas, good old USofA
I've seen uoa's from other 6.7 Cummins that had higher potassium levels with aluminum similar to mine. No elevated sodium levels though.
_________________________
2012 Ram 3500 6.7 Cummins 68rfe auto trans.
Oil what's on sell or how I feel that day and fleetguard stratapore filters.

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#4500967 - 08/29/17 05:44 AM Re: 2012 6.7 Cummins 11,000 mile OCI Valvoline CK4 [Re: hollnagelc]
dnewton3 Offline



Registered: 05/14/07
Posts: 7389
Loc: Indianapolis, IN
Hmmmmmm ... Not sure what to think about the potassium then. Odd thing is that it's rising overall, slowly. As if a leak were perpetuating itself over time. I still somewhat suspect a coolant leak, although I admit I don't know the chemistry of the G-05; does it have K but not much Na? I think you can send in coolant for VCA; check with your service. Or maybe they have historical info on that coolant and won't need to spend the money.

If not a coolant leak, then what other things might be contributing to an escalation of K in the UOA? It's not the lube itself (see the VOA). Are you using additives?

Whatever it is, it's not hurting the engine; wear is fine. But if it continues to elevate, you're going to have to address it at some point.




Edited by dnewton3 (08/29/17 05:47 AM)
_________________________
The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money

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#4501046 - 08/29/17 08:15 AM Re: 2012 6.7 Cummins 11,000 mile OCI Valvoline CK4 [Re: dnewton3]
hollnagelc Offline


Registered: 04/06/13
Posts: 56
Loc: Texas, good old USofA
Originally Posted By: dnewton3
Hmmmmmm ... Not sure what to think about the potassium then. Odd thing is that it's rising overall, slowly. As if a leak were perpetuating itself over time. I still somewhat suspect a coolant leak, although I admit I don't know the chemistry of the G-05; does it have K but not much Na? I think you can send in coolant for VCA; check with your service. Or maybe they have historical info on that coolant and won't need to spend the money.

If not a coolant leak, then what other things might be contributing to an escalation of K in the UOA? It's not the lube itself (see the VOA). Are you using additives?

Whatever it is, it's not hurting the engine; wear is fine. But if it continues to elevate, you're going to have to address it at some point.




No additives. I'll probably do another uoa this oil change too.
_________________________
2012 Ram 3500 6.7 Cummins 68rfe auto trans.
Oil what's on sell or how I feel that day and fleetguard stratapore filters.

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#4501114 - 08/29/17 09:20 AM Re: 2012 6.7 Cummins 11,000 mile OCI Valvoline CK4 [Re: hollnagelc]
hollnagelc Offline


Registered: 04/06/13
Posts: 56
Loc: Texas, good old USofA
I took the radiator cap off and watched it this morning at startup. To see if any bubbles were present on a cold startup. I didn't see any. I added about maybe 6 ounces of coolant to put it back at the minimum line, which is where I keep it at. First I've added since changing it out 40,000 miles ago. If it is leaking coolant it's got to be very very slow. Don't know what a slow leak like that would be off of the top of my head. I figure the little coolant that I added this morning might have been whatever air that may have been in the system came out after I changed the coolant.
_________________________
2012 Ram 3500 6.7 Cummins 68rfe auto trans.
Oil what's on sell or how I feel that day and fleetguard stratapore filters.

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#4511354 - 09/09/17 07:27 AM Re: 2012 6.7 Cummins 11,000 mile OCI Valvoline CK4 [Re: hollnagelc]
Bighorn2500 Online   content


Registered: 05/24/16
Posts: 313
Loc: Michigan, USA
Black stone reported 29 Potassium on one of my reports and said it could be just material from the EGR system and that it should wash out with time with time. I need to do another UOA on this next change and that should go down since it has been deleted since my last UOA.
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2012 Ram 2500 SLT 6.7L Cummins 4x4
2015 Jeep Cherokee 3.2L Latitude 4x4

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#4514812 - 09/13/17 06:11 AM Re: 2012 6.7 Cummins 11,000 mile OCI Valvoline CK4 [Re: hollnagelc]
alarmguy Offline


Registered: 07/10/12
Posts: 2147
Loc: South Carolina
Thanks for the UOA, looks like Valvoline CK4 is living up to the CK4 standard of less wear. More miles on this oil and lowest wear numbers of all the others. Nice
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