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
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
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