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#3446946 - 08/05/14 04:28 PM AMSOIL ASL 5w-30, 5K 2012 Cruze
Rat407 Offline


Registered: 12/13/02
Posts: 1048
Loc: North Carolina
Looks like something is has let go or letting go inside, cam phasers or timing chain. Now to see if I can get anything done at the dealer about this.

AC Delco oil filter was used on the second oil change, Wix before that.

Code:
OIL            		     ASL 5w-30       ASL 5w-30
MILES IN USE    	     5,712           7,169
MILES           	     16,045          10,333
SAMPLE TAKEN    	     7/28/14         12/25/13

Spectorscopic Analysis (ppm) ASTM D5185 Mod    

Iron           			 282		41
Copper				 3		4
Lead				 0		0
Aluminum			 11		15
Tin				 0		0
Nickel				 0		0
Chromium			 0		0
Titanium			 0		0
Vanadium			 0		0
Silver				 0		0
Silicon				 10		13
Boron				 137		72
Calcium				 3505		3127
Magnesium			 16		18
Phosphorus			 649		592
Zinc				 743		781
Barium		 		 0		0
Molybdenum			 122		46
Sodium				 13		10
Potassium			 0		0

Physical Properties

Viscosity @ 40C ASTM D 445 Mod	 55.6		53.8
Viscosity @ 100C ASTM D 445 Mod  10.5		9.9 
Viscosity Index ASTM D 2270 *	 182		169
Base Number			 2.41		2.31
Acid Number ASTM D 974		 3.23		2.95

IR (Indexing Numbers) JOAP Method

Oxidation			 76		83
Nitration			 14		18
Antiwear			 22		22
Sulfation			 67		73
Glycol				 0		0
Soot (%)			 0.0		0.0

Single Component Test

Water ppm			 340  (c)       770  (c)
Fuel Dilution % By GC*		 2.0		2.5
    


Edited by Rat407 (08/05/14 04:36 PM)

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#3446950 - 08/05/14 04:30 PM Re: AMSOIL ASL 5w-30, 7K 2012 Cruze [Re: Rat407]
901Memphis Offline


Registered: 08/14/10
Posts: 10949
Loc: Northern Kentucky
Amsoil doesn't meet the Dexos spec, hopefully the dealership doesn't give you any trouble. Is 7000 miles within oil life monitor range? Seems long for the engine.
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#3446952 - 08/05/14 04:31 PM Re: AMSOIL ASL 5w-30, 7K 2012 Cruze [Re: Rat407]
OVERKILL Offline


Registered: 04/28/08
Posts: 32159
Loc: Ontario, Canada
Sweet baby Jesus that's a lot of iron!!!!

Now THAT is a good use of a UOA, looks like you have discovered a legitimate mechanical issue with the engine thumbsup
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#3446965 - 08/05/14 04:46 PM Re: AMSOIL ASL 5w-30, 7K 2012 Cruze [Re: Rat407]
Rat407 Offline


Registered: 12/13/02
Posts: 1048
Loc: North Carolina
It isn't certified by GM but it does meet the dexos 1 specification. The OLM was at 44% when I changed the oil.

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#3446977 - 08/05/14 04:59 PM Re: AMSOIL ASL 5w-30, 7K 2012 Cruze [Re: Rat407]
901Memphis Offline


Registered: 08/14/10
Posts: 10949
Loc: Northern Kentucky
Wow 44%. That's a 10k oci. These engines haven't had a good showing since introduced according to the uoas I've seen.
_________________________
2002 Buick Century 125k - Built 4T65e(Maxlife) - Syn Frankenbrew + XG 3387A
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#3446982 - 08/05/14 05:07 PM Re: AMSOIL ASL 5w-30, 7K 2012 Cruze [Re: 901Memphis]
sciphi Offline


Registered: 03/24/07
Posts: 9749
Loc: Upstate NY
Originally Posted By: 901Memphis
Amsoil doesn't meet the Dexos spec, hopefully the dealership doesn't give you any trouble. Is 7000 miles within oil life monitor range? Seems long for the engine.


7000 miles is fine for this engine. I run 7500 mile intervals in my Cruze's 1.4T.

Also, the OLM in the 2011-2013 Cruzes is optimistic by about 25%. GM changed that sometime in the later 2013's and for the 2014's. When mine reads 25% it's time to change the oil.

Let us know what is the matter with the engine once something breaks.


Edited by sciphi (08/05/14 05:10 PM)
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#3446986 - 08/05/14 05:10 PM Re: AMSOIL ASL 5w-30, 7K 2012 Cruze [Re: Rat407]
gregk24 Offline


Registered: 04/13/13
Posts: 4459
Loc: FL, USA
Yikes, get that checked out!
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#3447027 - 08/05/14 05:42 PM Re: AMSOIL ASL 5w-30, 7K 2012 Cruze [Re: Rat407]
Ram01 Offline


Registered: 10/13/10
Posts: 916
Loc: New York Queens
Save your money switch to QSUD A nice quality oil

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#3447029 - 08/05/14 05:42 PM Re: AMSOIL ASL 5w-30, 7K 2012 Cruze [Re: Rat407]
simple_gifts Offline


Registered: 07/26/04
Posts: 10920
Loc: Middlesex County CT
Is that the 1.4 or 1.8?

Quote:

Save your money switch to QSUD A nice quality oil



Probably not his top priority.


Edited by simple_gifts (08/05/14 05:42 PM)
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#3447044 - 08/05/14 05:56 PM Re: AMSOIL ASL 5w-30, 7K 2012 Cruze [Re: Rat407]
ThirdeYe Offline


Registered: 02/23/07
Posts: 7968
Loc: Walker, MI
Whoa! Those are some crazy wear numbers. Have you noticed anything odd about the way the engine has been running/performing/sounding? Perhaps some sort of lab error...?
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#3447054 - 08/05/14 06:01 PM Re: AMSOIL ASL 5w-30, 7K 2012 Cruze [Re: Ram01]
xxch4osxx Offline


Registered: 03/11/09
Posts: 2153
Loc: Cedarbrae, Ontario
Originally Posted By: Ram01
Save your money switch to QSUD A nice quality oil
I don't think that would make any difference. If something is letting go, it will do it regardless what oil is being used.
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#3447071 - 08/05/14 06:14 PM Re: AMSOIL ASL 5w-30, 5K 2012 Cruze [Re: Rat407]
cptbarkey Offline


Registered: 02/27/12
Posts: 2847
Loc: texas
bookmarked. this thread is useless without a dealership followup post, OP you are now obligated. grin

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#3447080 - 08/05/14 06:18 PM Re: AMSOIL ASL 5w-30, 5K 2012 Cruze [Re: Rat407]
demarpaint Offline


Registered: 07/03/05
Posts: 25593
Loc: NY
Ouch! Please let us know the outcome.
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#3447093 - 08/05/14 06:36 PM Re: AMSOIL ASL 5w-30, 5K 2012 Cruze [Re: Rat407]
Rat407 Offline


Registered: 12/13/02
Posts: 1048
Loc: North Carolina
I'm going to get all the info I can together and then see the dealer. I'll do my best to keep updates as they come in. I have a friend that works at a Chevy dealership, he hasn't seen any issues where the engine had problems to be needing replaced but he is going to ask around on his network of friends to see if anything is out there. I'm going to resample at 2k miles and see what it shows.

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#3447774 - 08/06/14 11:03 AM Re: AMSOIL ASL 5w-30, 5K 2012 Cruze [Re: Rat407]
k24a4 Offline


Registered: 11/12/09
Posts: 747
Loc: MA
Is the car/engine symptomatic? Have you noticed anything out of the ordinary aside from the UOA? If not, I doubt the dealership will give you much love. They will want a symptom that can be, "repeated".
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