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Unknown 80w90, 12 Jeep Wrangler, 62K #4807550
07/07/18 10:26 AM
07/07/18 10:26 AM
Joined: Aug 2011
Posts: 244
Texas
dhellman12 Offline OP
dhellman12  Offline OP
Joined: Aug 2011
Posts: 244
Texas
Fluid was not replaced at the time of the sample. We just purchased this vehicle and had UOA's performed on the front & rear diff.

Make/Model: Dana 44 Differential (Front)
Vehicle: 2012 Jeep Wrangler Rubicon Unlimited

Code:
OIL             Unknown (Factory?)
MILES IN USE    Unknown
MILES ON UNIT   61,948
SAMPLE TAKEN    6/19/18		
MAKE UP OIL	0		

ALUMINUM	1		
CHROMIUM	11		
IRON		265		
COPPER		3		
LEAD		0		
TIN		1		
MOLYBDENUM	6		
NICKEL		5		
MANGANESE	18		
SILVER		0		
TITANIUM	0		
POTASSIUM	5		
BORON		74		
SILICON		58		
SODIUM		7		
CALCIUM		11		
MAGNESIUM	2		
PHOSPHORUS	1200		
ZINC		25		
BARIUM		8		
     
SUS @ 210F	73.4		
Visc @ 100C	13.85		
Flashpoint	395		
Water %		0.0		
Insolubles %	0.1		
TAN		2.1	


Oil Analysis Comments:
No problems found in this front axle sample. In fact we're happy to see that the oil is still in place - it can easily be run longer. Our universal averages show typical wear levels for a Dana 44 axle after about 47K miles on the oil. Your metals are lower than average, so feel free to add 20K miles to this fill before you resample. The TAN reading of 2.1 shows little acidity. Great report


05 Kawasaki BF750 - 265hrs
12 Jeep 3.8L - Toyota 5w30 63K
04 DMax 6.6L - Amsoil AME 15w40 226K
04 Tahoe 5.3L - Amsoil ASL 5w30 238K
00 WS6 5.7L - Amsoil ASL 5w30 254K
Re: Unknown 80w90, 12 Jeep Wrangler, 62K [Re: dhellman12] #4807820
07/07/18 04:49 PM
07/07/18 04:49 PM
Joined: Jun 2012
Posts: 1,704
USA
oldhp Offline
oldhp  Offline
Joined: Jun 2012
Posts: 1,704
USA
How much does sampling the oil cost?



Re: Unknown 80w90, 12 Jeep Wrangler, 62K [Re: oldhp] #4808088
07/08/18 04:06 AM
07/08/18 04:06 AM
Joined: Nov 2017
Posts: 241
California
CleverUserName Offline
CleverUserName  Offline
Joined: Nov 2017
Posts: 241
California
Originally Posted By: oldhp
How much does sampling the oil cost?


wix kits are the cheapest. They are around $10 each plus shipping/handling at Rockauto.com

Blackstone and Oil Analyzers are around $30 each + shipping

Dyson analysis is around $100 bucks I think...

Re: Unknown 80w90, 12 Jeep Wrangler, 62K [Re: dhellman12] #4808546
07/08/18 06:00 PM
07/08/18 06:00 PM
Joined: Jun 2012
Posts: 1,704
USA
oldhp Offline
oldhp  Offline
Joined: Jun 2012
Posts: 1,704
USA
Heck for the cost of sampling, I just change the gear oil. If you changed it every 3 years you wouldn't have to worry about it, and since it's so easy to change anyway. cheers



Re: Unknown 80w90, 12 Jeep Wrangler, 62K [Re: dhellman12] #4823319
07/26/18 05:46 AM
07/26/18 05:46 AM
Joined: May 2007
Posts: 7,509
Indianapolis, IN
dnewton3 Offline
dnewton3  Offline
Joined: May 2007
Posts: 7,509
Indianapolis, IN
4.3 ppm / 1k miles of Fe.
On factory fill with all the break-in stuff still in there.
This is wearing just fine.


The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money

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