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Gm dexos 1 spec? #4225093
10/13/16 11:33 PM
10/13/16 11:33 PM
Joined: Mar 2015
Posts: 339
New York
02s4audi Offline OP
02s4audi  Offline OP
Joined: Mar 2015
Posts: 339
New York
What is so special about dexos 1 that gm thinks their vehicles NEED to have? My truck, 2004 silverado 1500, calls for dexos 1 spec. But I'm just wondering what would happen if I didn't run a dexos approved oil? What does an oil have to have to be approved for dexos 1?

Re: Gm dexos 1 spec? [Re: 02s4audi] #4225094
10/13/16 11:36 PM
10/13/16 11:36 PM
Joined: Apr 2013
Posts: 3,504
Portland, OR
Nate1979 Offline
Nate1979  Offline
Joined: Apr 2013
Posts: 3,504
Portland, OR
Originally Posted By: 02s4audi
What is so special about dexos 1 that gm thinks their vehicles NEED to have? My truck, 2004 silverado 1500, calls for dexos 1 spec. But I'm just wondering what would happen if I didn't run a dexos approved oil? What does an oil have to have to be approved for dexos 1?


Says Dexos in your owners manual does it?


2015 GMC Sierra 2500 6.0L
2010 Subaru Forester 2.5X
Re: Gm dexos 1 spec? [Re: 02s4audi] #4225104
10/13/16 11:59 PM
10/13/16 11:59 PM
Joined: Mar 2016
Posts: 984
MT
jongies3 Offline
jongies3  Offline
Joined: Mar 2016
Posts: 984
MT
GM didn't start running Dexos spec oil until 2011, who told you your 04 needs it? It wont hurt it, but definitely isn't required. I think GM just came up with it to make money, the oil companies have to pay the General a boat load of money to have that little green logo on their bottles. There are supposedly better cleaning additives in Dexos oil because many GM owners were overextending OCI's and sludging up engines which GM was getting stuck replacing under warranty. So now if it happens and they find out you weren't using Dexos oil in your 2011 or newer GM vehicle, they tell you to go whizz up a tree!


2004 Toyota Tacoma 3.4 V6: Mobil 1 AFE 0W-30, FRAM TG-3600 filter
1969 Mustang Mach 1 5.8 V8: PYB 10W-30 Napa Gold 1515 filter
1997 Ford F-250 HD 7.3 Powerstroke V8: T6 5W-40 FRAM PH-3786 filter
Re: Gm dexos 1 spec? [Re: 02s4audi] #4225115
10/14/16 12:25 AM
10/14/16 12:25 AM
Joined: Jan 2013
Posts: 1,351
America's Dairyland
LotI Offline
LotI  Offline
Joined: Jan 2013
Posts: 1,351
America's Dairyland
Your truck was made when they specified 6094M, which is a bunch of oils.

Dexos supersedes that but there's not much special about it. Oil companies pay the royalty and they get a license to be able to sell to Government Motors customers.


03 Honda Interceptor
11 Kawasaki KLR 650
12 Ford E450
17 VW GTI
[IMG]http://badges.fuelly.com/images/sig-us/803455.png[/IMG]
Re: Gm dexos 1 spec? [Re: jongies3] #4225116
10/14/16 12:39 AM
10/14/16 12:39 AM
Joined: Aug 2004
Posts: 4,636
Katy, Republic of Texas
blupupher Offline
blupupher  Offline
Joined: Aug 2004
Posts: 4,636
Katy, Republic of Texas
Originally Posted By: jongies3
... There are supposedly better cleaning additives in Dexos oil because many GM owners were overextending OCI's and sludging up engines which GM was getting stuck replacing under warranty. ...

Interesting, I had seen the label on some oil containers, but never really knew what it meant (I did know it was a GM spec).

It is quite annoying though that there are so many different specs. API, ILSAC and ACAE and now Dexos for GM vehicles.
I thought this was the whole reason API was made, to make it easier to get the correct oil shrug.


1994 Honda VT1100: Peak 15w-40/PSL/2500 mile OCI
2002 Ford F150: GTX HM 5w-20/EcoGard Syn/1yr OCI
2012 Scion xB: QSUD 0w-20/CQ Blue/5k OCI

Re: Gm dexos 1 spec? [Re: LotI] #4225119
10/14/16 12:53 AM
10/14/16 12:53 AM
Joined: Sep 2015
Posts: 921
Little Havana, Miami
gallydif Offline
gallydif  Offline
Joined: Sep 2015
Posts: 921
Little Havana, Miami
Originally Posted By: LotI
Dexos supersedes that but there's not much special about it. Oil companies pay the royalty and they get a license to be able to sell to Government Motors customers.

+1. It's all marketing and business.


96 fleetwood 63k dd- MaxLife 5w30, AC Delco pf52
95 Caprice 67k LT1 dd- Mag1 dino 5w30, same ^
84 Caprice Landau 14k- MS5K 5w30, AC D pf454
96 Buick Roadmaster 65k- RIP 17
00 Town Car- RIP 16
Re: Gm dexos 1 spec? [Re: 02s4audi] #4225133
10/14/16 01:19 AM
10/14/16 01:19 AM
Joined: Feb 2009
Posts: 17,134
Michigan
daves87rs Offline
daves87rs  Offline
Joined: Feb 2009
Posts: 17,134
Michigan
Pretty much everything is dexos spec'd now anyways...


Coming together is a beginning; keeping together is progress; working together is success.

Henry Ford
Re: Gm dexos 1 spec? [Re: LotI] #4225144
10/14/16 03:39 AM
10/14/16 03:39 AM
Joined: Nov 2015
Posts: 1,462
KingCake Offline
KingCake  Offline
Joined: Nov 2015
Posts: 1,462
Originally Posted By: LotI
Your truck was made when they specified 6094M, which is a bunch of oils.

Dexos supersedes that but there's not much special about it. Oil companies pay the royalty and they get a license to be able to sell to Government Motors customers.


wrong

Re: Gm dexos 1 spec? [Re: daves87rs] #4225145
10/14/16 03:39 AM
10/14/16 03:39 AM
Joined: Nov 2015
Posts: 1,462
KingCake Offline
KingCake  Offline
Joined: Nov 2015
Posts: 1,462
Originally Posted By: daves87rs
Pretty much everything is dexos spec'd now anyways...


wrong

Re: Gm dexos 1 spec? [Re: gallydif] #4225146
10/14/16 03:39 AM
10/14/16 03:39 AM
Joined: Nov 2015
Posts: 1,462
KingCake Offline
KingCake  Offline
Joined: Nov 2015
Posts: 1,462
Originally Posted By: gallydif
Originally Posted By: LotI
Dexos supersedes that but there's not much special about it. Oil companies pay the royalty and they get a license to be able to sell to Government Motors customers.

+1. It's all marketing and business.


wrong

Re: Gm dexos 1 spec? [Re: blupupher] #4225147
10/14/16 03:40 AM
10/14/16 03:40 AM
Joined: Nov 2015
Posts: 1,462
KingCake Offline
KingCake  Offline
Joined: Nov 2015
Posts: 1,462
Originally Posted By: blupupher
Originally Posted By: jongies3
... There are supposedly better cleaning additives in Dexos oil because many GM owners were overextending OCI's and sludging up engines which GM was getting stuck replacing under warranty. ...

Interesting, I had seen the label on some oil containers, but never really knew what it meant (I did know it was a GM spec).

It is quite annoying though that there are so many different specs. API, ILSAC and ACAE and now Dexos for GM vehicles.
I thought this was the whole reason API was made, to make it easier to get the correct oil shrug.


Dexos meets and exceeds API SN. Dexos 1 oils will have better noack among other things.

Re: Gm dexos 1 spec? [Re: blupupher] #4225149
10/14/16 03:55 AM
10/14/16 03:55 AM
Joined: Dec 2002
Posts: 40,884
'Stralia
Shannow Offline
Shannow  Offline
Joined: Dec 2002
Posts: 40,884
'Stralia
Originally Posted By: blupupher
I thought this was the whole reason API was made, to make it easier to get the correct oil shrug.


It's the "American Petroleum Institute", and they are focused in particular areas that are lobbied largely by the US auto manufacturers...the compromises that result aren't acceptable to manufacturers in the rest of the world, and they specify accordingly.

You could use an ACEA spec over an API spec with no mechanical detriment, while you can't say the same of the reverse.

Re: Gm dexos 1 spec? [Re: KingCake] #4225166
10/14/16 05:12 AM
10/14/16 05:12 AM
Joined: Mar 2015
Posts: 5,030
Virginia
bbhero Offline
bbhero  Offline
Joined: Mar 2015
Posts: 5,030
Virginia
Now that's funny KingCake. And you are right about that I believe as well. The spider chart Wemay put up about the Dexos specification shows it is superior to ILSAC GF-5 and API SN in many aspects. Is it as stout as say MB 229.5 or BMW LL-04 or Porsche A40 or C30?? No, of course not. But it is a good middle of the road specification.


Nissan Altima 3.5 Coupe
Quaker State High Mileage 5w30 Purolator Boss 14610
"Treat your family like your friends and treat your friends like your family."
Re: Gm dexos 1 spec? [Re: 02s4audi] #4225171
10/14/16 05:26 AM
10/14/16 05:26 AM
Joined: Apr 2012
Posts: 9,384
Kendall, FL
wemay Offline
wemay  Offline
Joined: Apr 2012
Posts: 9,384
Kendall, FL
Definitely not just marketing.





...vs A1/B1



'18 KIA Sportage LX AWD: Mobil Super Synthetic 10w30
'13 Hyundai Santa Fe Sport 2.0T: EDGE 5w30
Re: Gm dexos 1 spec? [Re: 02s4audi] #4225230
10/14/16 07:53 AM
10/14/16 07:53 AM
Joined: Mar 2015
Posts: 339
New York
02s4audi Offline OP
02s4audi  Offline OP
Joined: Mar 2015
Posts: 339
New York
I just always wondered what was special about dexos. You are correct my truck doesn't spec dexos but it does spec gm 6094m which has been changed to dexos 1.

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