Coolant is still in service, it was not replaced during sample.
Make/Model: GM 5.3L V8
Vehicle: 2004 Chevrolet Tahoe
Code:
COOLANT Amsoil ANT Chevron Dex-Cool
MILES IN USE 100,199 134,653
MILES ON UNIT 235K 135K
SAMPLE TAKEN 4/22/18 3/13/12
SCA ADDED 0 13465
IRON 0 0
ALUMINUM 0 3
COPPER 9 15
LEAD 0 0
TIN 1 0
SILVER 0 0
ZINC 11 8
TITANIUM
CALCIUM 3 17
MAGNESIUM 1 3
SILICON 3 5
PHOSPHORUS 0 58
BORON 2 19
MOLYBDENUM 2 18
SODIUM 35 19
POTASSIUM 313 814
FOAM None None
COLOR Clear Orange Clear Pink
OIL None None
FUEL None None
MAGNETIC PRECIPITATE None None
NON-MAGNETIC PRECIPITATION None Minor Flake
ODOR None None
FREEZE POINT (F) -29 -57
BOIL POINT (F) 221 253
ANTIFREEZE % 51 81
pH WATERS 7.4 7.8
TOTAL HARDNESS 11 53
NITRITE
SPECIFIC CONDUCTANCE 2530 2330
SCA NUMBER 0.0 0.0
Oil Analyzers Comments:
Continue to observe the trend and monitor equipment and fluid conditions. Copper corrision is at a MODERATE level; Copper sources may be corrosion or erosion of the radiator (tubes, top tank, side-plates), heat exchanger, oil cooler, charge air cooler, thermostat, and/or residual from a previous issue
Make/Model: GM 5.3L V8
Vehicle: 2004 Chevrolet Tahoe
Code:
COOLANT Amsoil ANT Chevron Dex-Cool
MILES IN USE 100,199 134,653
MILES ON UNIT 235K 135K
SAMPLE TAKEN 4/22/18 3/13/12
SCA ADDED 0 13465
IRON 0 0
ALUMINUM 0 3
COPPER 9 15
LEAD 0 0
TIN 1 0
SILVER 0 0
ZINC 11 8
TITANIUM
CALCIUM 3 17
MAGNESIUM 1 3
SILICON 3 5
PHOSPHORUS 0 58
BORON 2 19
MOLYBDENUM 2 18
SODIUM 35 19
POTASSIUM 313 814
FOAM None None
COLOR Clear Orange Clear Pink
OIL None None
FUEL None None
MAGNETIC PRECIPITATE None None
NON-MAGNETIC PRECIPITATION None Minor Flake
ODOR None None
FREEZE POINT (F) -29 -57
BOIL POINT (F) 221 253
ANTIFREEZE % 51 81
pH WATERS 7.4 7.8
TOTAL HARDNESS 11 53
NITRITE
SPECIFIC CONDUCTANCE 2530 2330
SCA NUMBER 0.0 0.0
Oil Analyzers Comments:
Continue to observe the trend and monitor equipment and fluid conditions. Copper corrision is at a MODERATE level; Copper sources may be corrosion or erosion of the radiator (tubes, top tank, side-plates), heat exchanger, oil cooler, charge air cooler, thermostat, and/or residual from a previous issue