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#4716915 - 04/05/18 07:49 AM Dexos Oil
BlueOvalFitter Offline


Registered: 02/28/03
Posts: 6003
Loc: Cajun Country, La.
Does this oil have any effects on the internal moving parts of a GM engine? If the internal parts aren't lubricated by a required Dexos oil, will the engine blow up, seize up, cause internal parts to fail, cause the bearings to score, etc.?

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#4716923 - 04/05/18 07:54 AM Re: Dexos Oil [Re: BlueOvalFitter]
Shannow Online   content


Registered: 12/12/02
Posts: 40514
Loc: 'Stralia
OK, I rest my case...

Have you read a GM owner's manual ?

My Colorado specs Dexos 2, but accepts ACEA C3.

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#4716929 - 04/05/18 07:57 AM Re: Dexos Oil [Re: Shannow]
BlueOvalFitter Offline


Registered: 02/28/03
Posts: 6003
Loc: Cajun Country, La.
Originally Posted By: Shannow
OK, I rest my case...

Have you read a GM owner's manual ?

My Colorado specs Dexos 2, but accepts ACEA C3.

No, because I don't own any GM vehicles.
But, I did read this on the interweb and find it hard to believe;
Randall McFarland on January 7, 2017 at 4:08 pm said:
I bought my 2012 chevy avalanche[54,000 miles]at a ford garage, they had changed the oil[synthetic blend] and filter with motorcraft, with still 500 miles left before oil change was due, my oil pressure dropped to near zero. And yes the oil level was good. Changed the oil to a brand with dexos and its back between 40 and 60 psi. I will use oil w/dexos in my chevy from now on. It says dexos on the oil fill cap for a reason.

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#4716937 - 04/05/18 08:03 AM Re: Dexos Oil [Re: BlueOvalFitter]
tomcat27 Online   content


Registered: 06/25/09
Posts: 3651
Loc: Chicago, IL
There is a puzzle piece missing from his story. It can't be the oil. Maybe dilution?
_________________________
2015 Rogue, 2014 Sentra, 2001 Camry, 2005 Starcraft, 1998 Dodge B1500
1996 Sebring Jx, 1984 F150, 1970 Cougar, 2013 XT250, 2010 Vstar, 2014 CTX1300

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#4716940 - 04/05/18 08:05 AM Re: Dexos Oil [Re: BlueOvalFitter]
barkingspider Offline


Registered: 12/22/13
Posts: 2078
Loc: socal
The Chevy Colorado 5 cyl engine is the same engine in 2008 and 2012, but dexos oil required on the 2012
_________________________
06 Cadillac Escalade Ext
17 Cadillac ATS (wife)
05 Toyota Camry (daughter)
11 GMC Canyon off-road (daily)

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#4716941 - 04/05/18 08:05 AM Re: Dexos Oil [Re: BlueOvalFitter]
Snagglefoot Online   content


Registered: 12/31/17
Posts: 2095
Loc: SE British Columbia, Canada
I am pretty much a believer in a wide range of viscosities for any engine but I believe aside form the dumb cafe rules, GM was motivated by the horrible experience they had with the infamous AFM cylinder deactivation problems in trucks up to 2014 with 5.3 liter engines. Part of the solution was a complete re-design and the use of lighter synthetic oils. Billy Bob kept trying to run 40 weight conventional oil in those trucks with disastrous results involving failed lifters.


Edited by Snagglefoot (04/05/18 08:08 AM)

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#4716949 - 04/05/18 08:09 AM Re: Dexos Oil [Re: BlueOvalFitter]
Shannow Online   content


Registered: 12/12/02
Posts: 40514
Loc: 'Stralia
Originally Posted By: BlueOvalFitter
Originally Posted By: Shannow
OK, I rest my case...

Have you read a GM owner's manual ?

My Colorado specs Dexos 2, but accepts ACEA C3.

No, because I don't own any GM vehicles.
But, I did read this on the interweb and find it hard to believe;
Randall McFarland on January 7, 2017 at 4:08 pm said:
I bought my 2012 chevy avalanche[54,000 miles]at a ford garage, they had changed the oil[synthetic blend] and filter with motorcraft, with still 500 miles left before oil change was due, my oil pressure dropped to near zero. And yes the oil level was good. Changed the oil to a brand with dexos and its back between 40 and 60 psi. I will use oil w/dexos in my chevy from now on. It says dexos on the oil fill cap for a reason.


OK, this is the same interweb that you read that 0W40 would destroy engines that specced lower grades ?

Having started the thread, you then called for closure, and step out lest you carry out autoban sepuku.

Do you HONESTLY believe that what you included there, underline is in the remotest chance possible ?

Can you describe any thought process that you have that would make that plausible ?

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#4716951 - 04/05/18 08:11 AM Re: Dexos Oil [Re: BlueOvalFitter]
Snagglefoot Online   content


Registered: 12/31/17
Posts: 2095
Loc: SE British Columbia, Canada
Originally Posted By: BlueOvalFitter
Originally Posted By: Shannow
OK, I rest my case...

Have you read a GM owner's manual ?

My Colorado specs Dexos 2, but accepts ACEA C3.

No, because I don't own any GM vehicles.
But, I did read this on the interweb and find it hard to believe;
Randall McFarland on January 7, 2017 at 4:08 pm said:
I bought my 2012 chevy avalanche[54,000 miles]at a ford garage, they had changed the oil[synthetic blend] and filter with motorcraft, with still 500 miles left before oil change was due, my oil pressure dropped to near zero. And yes the oil level was good. Changed the oil to a brand with dexos and its back between 40 and 60 psi. I will use oil w/dexos in my chevy from now on. It says dexos on the oil fill cap for a reason.


This one is easy. The screen below the pressure sensor got clogged and the thinner synthetic oil that happened to be Dexos unclogged the screen allowing pressure to the sensor.

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#4716959 - 04/05/18 08:17 AM Re: Dexos Oil [Re: Shannow]
BlueOvalFitter Offline


Registered: 02/28/03
Posts: 6003
Loc: Cajun Country, La.
Originally Posted By: Shannow
Originally Posted By: BlueOvalFitter
Originally Posted By: Shannow
OK, I rest my case...

Have you read a GM owner's manual ?

My Colorado specs Dexos 2, but accepts ACEA C3.

No, because I don't own any GM vehicles.
But, I did read this on the interweb and find it hard to believe;
Randall McFarland on January 7, 2017 at 4:08 pm said:
I bought my 2012 chevy avalanche[54,000 miles]at a ford garage, they had changed the oil[synthetic blend] and filter with motorcraft, with still 500 miles left before oil change was due, my oil pressure dropped to near zero. And yes the oil level was good. Changed the oil to a brand with dexos and its back between 40 and 60 psi. I will use oil w/dexos in my chevy from now on. It says dexos on the oil fill cap for a reason.


OK, this is the same interweb that you read that 0W40 would destroy engines that specced lower grades ?

Having started the thread, you then called for closure, and step out lest you carry out autoban sepuku.

Do you HONESTLY believe that what you included there, underline is in the remotest chance possible ?

Can you describe any thought process that you have that would make that plausible ?

I think you follow me around, to try and get me to say something to get me banned. I only have 2 options from getting banned because of you and your ANTAGONIZING replies;
1) Put you on ignore.
2) Just not respond to you.
Tell me, which choice would you make?

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#4716963 - 04/05/18 08:20 AM Re: Dexos Oil [Re: BlueOvalFitter]
Shannow Online   content


Registered: 12/12/02
Posts: 40514
Loc: 'Stralia
Originally Posted By: BlueOvalFitter
Originally Posted By: Shannow
Originally Posted By: BlueOvalFitter
Originally Posted By: Shannow
OK, I rest my case...

Have you read a GM owner's manual ?

My Colorado specs Dexos 2, but accepts ACEA C3.

No, because I don't own any GM vehicles.
But, I did read this on the interweb and find it hard to believe;
Randall McFarland on January 7, 2017 at 4:08 pm said:
I bought my 2012 chevy avalanche[54,000 miles]at a ford garage, they had changed the oil[synthetic blend] and filter with motorcraft, with still 500 miles left before oil change was due, my oil pressure dropped to near zero. And yes the oil level was good. Changed the oil to a brand with dexos and its back between 40 and 60 psi. I will use oil w/dexos in my chevy from now on. It says dexos on the oil fill cap for a reason.


OK, this is the same interweb that you read that 0W40 would destroy engines that specced lower grades ?

Having started the thread, you then called for closure, and step out lest you carry out autoban sepuku.

Do you HONESTLY believe that what you included there, underline is in the remotest chance possible ?

Can you describe any thought process that you have that would make that plausible ?

I think you follow me around, to try and get me to say something to get me banned. I only have 2 options from getting banned because of you and your ANTAGONIZING replies;
1) Put you on ignore.
2) Just not respond to you.
Tell me, which choice would you make?


I'd seek help...

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#4716965 - 04/05/18 08:22 AM Re: Dexos Oil [Re: Shannow]
BlueOvalFitter Offline


Registered: 02/28/03
Posts: 6003
Loc: Cajun Country, La.
Originally Posted By: Shannow
I'd seek help...

I have. But the voices differ with me.

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#4717089 - 04/05/18 10:30 AM Re: Dexos Oil [Re: BlueOvalFitter]
oil_film_movies Offline


Registered: 06/13/16
Posts: 2727
Loc: MN
Originally Posted By: BlueOvalFitter
Does this oil have any effects on the internal moving parts of a GM engine? If the internal parts aren't lubricated by a required Dexos oil, will the engine blow up, seize up, cause internal parts to fail, cause the bearings to score, etc.?

GM thinks so. At least enough to affect warranty claims, customer satisfaction, and general (no pun intended) internet reputation.

When GM created dexos, they had several goals:

1. Globally simplify oil specs. That makes it less likely the wrong oil gets put in.

2. Reduce warranty claims from oil problems. See https://www.youtube.com/watch?v=0B6SHa4qv60 for the concerns. Willis mentions a few.
GM knows that everytime LSPI destroys pistons, or AFM systems gum-up, or rings fail, etc., warranty claims go up AND the internet airs their dirty laundry.

3. Apply the dexos-spec fees to pay for some engine research.

4. Extend the length of OCI's for fleet & general customer satisfaction and to avoid government pressure for ecological concerns (California's push).

This is GM becoming more like the Germans. The Germans have had very tough specs for years, and now GM realizes their own engines are being used hard too, especially as more downsizing with DI and turbos proliferate.

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#4717109 - 04/05/18 11:00 AM Re: Dexos Oil [Re: BlueOvalFitter]
Uregina09 Offline


Registered: 06/07/09
Posts: 280
Loc: Canada
Another thread that demonstrates either a complete inability to think critically or a penchant for trolling. I'd follow Shannon's advice, BOF.


Edited by Uregina09 (04/05/18 11:03 AM)
_________________________
2018 Ford F150 with 2.7 Ecoboost: Valvoline Full Synthetic 5W30 and Motorcraft FL2062
2016 Toyota RAV4: Pennzoil Platinum 0W20 and Toyota 04152-YZZA1


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#4717112 - 04/05/18 11:04 AM Re: Dexos Oil [Re: Uregina09]
BlueOvalFitter Offline


Registered: 02/28/03
Posts: 6003
Loc: Cajun Country, La.
Originally Posted By: Uregina09
Another intelligent thread. I'd follow Shannon's advice, BOF.

Ah, another follower. My advice to you, don't read my posts.
I did get help at my local VA. But, the voices are overpowering my thoughts. grin

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#4717116 - 04/05/18 11:06 AM Re: Dexos Oil [Re: BlueOvalFitter]
BlueOvalFitter Offline


Registered: 02/28/03
Posts: 6003
Loc: Cajun Country, La.
Originally Posted By: BlueOvalFitter
Originally Posted By: Uregina09
Another intelligent thread. I'd follow Shannon's advice, BOF.

Ah, another follower. My advice to you, don't read my posts.
I did get help at my local VA. But, the voices are overpowering my thoughts. grin

I sure am glad we have that NOTIFY button.

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