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Your Diesel calls for 5w30, but warranty has ended... #5128730 06/08/19 04:53 PM
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BigJohn Offline OP
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I just wonder if anyone with a modern diesel engine, and the warranty has expired, that has all the expensive emissions and DEF systems...... Has anyone moved to Rotella T6 5w40 or something similar? Or are you sticking with 5w30 Euro oils?

If someone were to move to 5w40... would that plug up our DPF and CAT?

I wish I could find a DEF delete for my ML250.

???????


14 Ram 1500 EcoDiesel 4x4, T6 5w40
15 Mercedes ML250 BlueTec, PenEuro 5w30
17 Kawasaki V-X 300, T4/T6 Blend
16 Honda VFR1200x, T4/T6 Blend
05 KTM 950 ADV-S, T4/T6 Blend
10 Mahindra 2816 HST, T6 15w40
Re: Your Diesel calls for 5w30, but warranty has ended... [Re: BigJohn] #5128736 06/08/19 05:13 PM
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UncleDave Offline
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Going to roll back to a 229.51 from a .52. on my OM642

I can find it in 40.

Prob go with 0w-40 M1Esp

UD

Last edited by UncleDave; 06/08/19 05:17 PM.

Uncle Dave
Cat 3126/2 MB3500/Titan/RX400H/17 Ridgeline
700HP V10/ 725HP BBC/ Raptor 700/ KFX450/ YZ250/Onan 8K/ Cat3011C
Re: Your Diesel calls for 5w30, but warranty has ended... [Re: BigJohn] #5128753 06/08/19 05:46 PM
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BMWTurboDzl Offline
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Originally Posted by BigJohn
I just wonder if anyone with a modern diesel engine, and the warranty has expired, that has all the expensive emissions and DEF systems...... Has anyone moved to Rotella T6 5w40 or something similar? Or are you sticking with 5w30 Euro oils?

If someone were to move to 5w40... would that plug up our DPF and CAT?

I wish I could find a DEF delete for my ML250.

???????


Just about any passenger car diesel oil on the market today meets the requirements for DPF/SCR equipped vehicles. Oil weight doesn't matter. It's the OEM certification which matters. That being said T6 is 229.31 (API CK4) and it will probably be okay to use, but I can't imagine why anyone would want to use it.

Your vehicle has a DPF (Diesel Particulate Filter) and a SCR (Selective Catalytic Reduction) system. The proper oil is required to insure long service life for the DPF. It is by no means a compromise that so many yahoos around here suggest.


“It took untold generations to get you where you are. A little gratitude might be in order. If you’re going to insist on bending the world to your way, you better have your reasons.”

435i
Re: Your Diesel calls for 5w30, but warranty has ended... [Re: BigJohn] #5128764 06/08/19 06:05 PM
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92saturnsl2 Offline
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I would use 10w-30 HDEO.


96 Grand Prix SE (project car)
04 Odyssey EX 200k Philips Shield Choice 10w-30
96 Maxima GLE 275k Shell Rotella T5 10w-30
07 Chrysler Pacifica Limited 4.0L 145k Mobil1 EP 0w-20
Re: Your Diesel calls for 5w30, but warranty has ended... [Re: BigJohn] #5128784 06/08/19 06:24 PM
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Audios Offline
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Going to try T6 next in the GL, mines flashed to reduce egr. They do mention DPF and pollution control approved. The Valvoline blue also says it.


2002 VW Golf TDI-T5 10/30
2007 Mercedes GL320 CDI- M1 0/30 ESP
2005 BMW M3 BMW-Twin Power 10/60
2003 BMW M5-M1 15/50
1998 BMW M3/4/5-M1 10/40
Re: Your Diesel calls for 5w30, but warranty has ended... [Re: Audios] #5128840 06/08/19 07:36 PM
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Garak Offline
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Originally Posted by Audios
Going to try T6 next in the GL, mines flashed to reduce egr. They do mention DPF and pollution control approved. The Valvoline blue also says it.

Not endorsing a choice in either direction, but all CJ-4 and newer lubes have claimed emissions compatibility. All HDEOs from then on have SA at 1.0 or less, although usually not much less.


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, Wix 57356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: Your Diesel calls for 5w30, but warranty has ended... [Re: BigJohn] #5128882 06/08/19 08:14 PM
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Rat407 Offline
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What's wrong with what you are using now? Why change?


2002 Silverado 5.3 0w-20 AMSOIL
Re: Your Diesel calls for 5w30, but warranty has ended... [Re: Rat407] #5128931 06/08/19 09:30 PM
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BigJohn Offline OP
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Originally Posted by Rat407
What's wrong with what you are using now? Why change?



An EcoDiesel user went to 15w40 and recognized significantly reduced wear over 5w30.

That's my main motivation. I want to keep this car for a quarter million miles.


.........


14 Ram 1500 EcoDiesel 4x4, T6 5w40
15 Mercedes ML250 BlueTec, PenEuro 5w30
17 Kawasaki V-X 300, T4/T6 Blend
16 Honda VFR1200x, T4/T6 Blend
05 KTM 950 ADV-S, T4/T6 Blend
10 Mahindra 2816 HST, T6 15w40
Re: Your Diesel calls for 5w30, but warranty has ended... [Re: BigJohn] #5128996 06/09/19 04:03 AM
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Rat407 Offline
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Originally Posted by BigJohn
Originally Posted by Rat407
What's wrong with what you are using now? Why change?



An EcoDiesel user went to 15w40 and recognized significantly reduced wear over 5w30.

That's my main motivation. I want to keep this car for a quarter million miles.


.........


Have you done a UOA on it now? Just curious. Just because one has good results doesn't mean you will. His driving style, location ie climate and such all come into play. Just saying.

Thicker isn't always better. I know diesels are a different breed than gas but when I switched over to a 0w-20 weight in my 5.3 Silverado the UOA didn't change, if anything improved slightly. This is with towing a 4k trailer and the vehicle is supposed to have 5w-30.

Again, not trying to start a bashing thread, Just wondering if you considered all the options and start out with a few UOA's. I'm not on here all that often so I don't cruise the entire site and follow like most do.

With today's oils, you could go 300k with it now using the oil you currently are using.


2002 Silverado 5.3 0w-20 AMSOIL
Re: Your Diesel calls for 5w30, but warranty has ended... [Re: BigJohn] #5128998 06/09/19 04:11 AM
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4WD Offline
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Originally Posted by BigJohn
Originally Posted by Rat407
What's wrong with what you are using now? Why change?



An EcoDiesel user went to 15w40 and recognized significantly reduced wear over 5w30.

That's my main motivation. I want to keep this car for a quarter million miles.


.........


What are they saying on the vehicle specific websites ?
Look at numbers on 15w40 Delvac … Noack is just above 10 with the newer EHC base stocks …
$12/gallon … summer oil anyway …

Re: Your Diesel calls for 5w30, but warranty has ended... [Re: BigJohn] #5129078 06/09/19 07:05 AM
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Kamele0N Offline
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They are saying that 10w or 15w still gives better protection for diesels...


2008 Toyota Yaris 1ND-TV 1.4 D4-D Tech9 5W30 C3 VW 504/507
1997 Toyota Landcruiser KZJ95 3.0 TD Elf Evolution NF900 5W40
Re: Your Diesel calls for 5w30, but warranty has ended... [Re: Kamele0N] #5129085 06/09/19 07:10 AM
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With the new EHC base stocks … blenders can combine a couple similar GII+ stocks … little VM needed …
Many customers for this stuff already …

Re: Your Diesel calls for 5w30, but warranty has ended... [Re: Audios] #5129168 06/09/19 09:04 AM
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Mainia Offline
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Originally Posted by Audios
Going to try T6 next in the GL, mines flashed to reduce egr. They do mention DPF and pollution control approved. The Valvoline blue also says it.


From what I have seen Chevron Delo XPS 5w-40 better then Rotela T6 in all the tests I have seen. Plus it is SN+ rated for LSPI small turbos.

Re: Your Diesel calls for 5w30, but warranty has ended... [Re: Rat407] #5129182 06/09/19 09:20 AM
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64bawagon Offline
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Originally Posted by Rat407
What's wrong with what you are using now? Why change?


Exactly. Personally, I dont think I am smarter than the people that engineered, built and warrantied the engine. I would never change to a different weight/spec, especially not based on some anecdotal evidence from some stranger on the internet.


64 Chevy wagon, 10 Jeep Wrangler, 18 Silverado 1/2 ton
Re: Your Diesel calls for 5w30, but warranty has ended... [Re: BigJohn] #5129195 06/09/19 09:39 AM
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I switched over to 5w40 and 10w40 CJ-4 from the factory recommended 5w30 C3 type lube in my 2.8 Duramax at 1500 miles. Truck is completely stock.

I’ve seen significantly lower wear metals in my UOAs compared to what other people get from C3 in the same engine. I believe the additional dispersants and AW additives are beneficial in addition to the higher viscosity as this engine is overfueled and prone to fuel dilution with factory tuning.

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