2000 Jeep Grand Cherokee 120k mi., Unknown ATF UOA

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Jan 14, 2008
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15
Location
Wichita, KS
UNIT ID
2000 JEEP GRAND CHEROKEE LIMITED

UNIT TYPE
AUTO/POWERSHIFT TRANSMISSION
APPLICATION
TRANSPORTATION

DATE SAMPLED 12/22/08
DATE RECEIVED 12/29/08
DATE COMPLETED 12/30/08

MANUFACTURER/MODEL JEEP 4.0L
LUBE MFR UNKNOWN
LUBE TYPE - GRADE ATF
MICRON RATING 0
FILTER TYPE FULLFLOW
SUMP CAPACITY 0.00
HYD SYSTEM PRESSURE 0
FLUID ADDED No

COMMENTS:
We suggest that an Analytical Ferrogram be performed to clarify the type of wear and/or contamination that is present; Aluminum is at a SIGNIFICANT LEVEL; ALUMINUM source in GEAR SYSTEMS may be BUSHING/THRUST metal, ALUMINA SILICA (Dirt), HOUSING metal or contamination from ALUMINUM COMPLEX GREASE; Clutch facing and/or bushing/thrust metal is at a MODERATE LEVEL; Gear and/or bearing metal is at a MINOR LEVEL; BARIUM SOURCES include additive supplement, airborn environmental contaminant, synthetic gear additive and other contaminants; Please provide missing lube information. We need manufacturer, type and grade to properly evaluate data for lube.

IRON 242
CHROMIUM 0
NICKEL 0
ALUMINUM 36
COPPER 80
LEAD 70
TIN 10

CADMIUM 0
SILVER 0
TITANIUM 0
VANADIUM 0
SILICON 11
SODIUM 15
POTASSIUM 4
MOLYBDENUM 0
ANTIMONY 0
MANGANESE 2
LITHIUM 0
BORON 74
MAGNESIUM 6
CALCIUM 1031
BARIUM 405
PHOSPHORUS 473
ZINC 207

WATER VIS 100C CS 6.0
TAN 1.11
OXIDA 24
NITRA 9

This is a sample taken from a friend's Jeep with 120k miles. He has owned it about 20k miles, no transmission servicing during his ownership. It is the full-time 4wd Limited model w/ auto trans. The testing was performed by Oil Analyzers. Thoughts?
 
My thoughts = Have your friend CHANGE that fluid?? BTW, any problems with shifting or shudder? Definately say CHANGE IT!!
 
No problems, smooth shifting. I am recommending he gets it flushed out. Anyone know if it has an actual filter or is it a screen?
 
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