Recent Topics
Your thoughts on the new 2016 mazda cx5
by moparguy19
08/01/15 08:59 PM
17 Inch GM Hub Caps (Qty 4)
by Lillikai
08/01/15 08:07 PM
H11 and HB3 Bulbs - HIR?
by JHZR2
08/01/15 07:53 PM
Fram Ultras discontinued at my Walmart!
by cronk
08/01/15 07:53 PM
M1 ESP 0w-30
by 6lbsoft
08/01/15 07:49 PM
ISO Bubble Brake Liine Flare
by edge10
08/01/15 07:14 PM
2015 Dodge Grand Caravan SE plus
by Corollaman
08/01/15 07:13 PM
Retirement gift yourself?
by lawnman
08/01/15 07:12 PM
cross reference help for tractor
by robo339
08/01/15 07:08 PM
M1 Oil Filter Gasket Failed
by ChrisD46
08/01/15 06:32 PM
SuperTech Synthetic - Now Dexos 1 Approved
by ChrisD46
08/01/15 06:02 PM
Aftermarket supercharger--02 Miata SE--oil weight?
by Revrick
08/01/15 05:56 PM
Newest Members
sip_99, 4wheelnwld, RobertJM, RCRcer, calthomp
54902 Registered Users
Who's Online
100 registered (AirgunSavant, 901Memphis, alcyon, 2009Edge, aquariuscsm, anl0109, 11 invisible), 1480 Guests and 110 Spiders online.
Key: Admin, Global Mod, Mod
Forum Stats
54902 Members
66 Forums
235243 Topics
3784826 Posts

Max Online: 2862 @ 07/07/14 03:10 PM
Donate to BITOG
Topic Options
#103705 - 10/04/04 04:51 AM source of potassium and sodium in used oil.
kickster Offline


Registered: 05/23/04
Posts: 300
Loc: toronto
AMSOIL XL7500 UOA showed high level of Potassium (4) and Sodium (11) but no trace of antifreeze was found!

Blackstone thinks it came from oil additive but no oil or gas additive was used. they also think Sodium/Potassium may be the result of high bearing wear! Lead (15) copper (13)

What do you guys think?

some info on UOA
Amsoil XL7500 10500 miles on oil
Al 7 Average 4
Iron 86 Ave 15
copper 13 Ave 8
lead 15 ave 3
potassium 4 ave 0
Silicon 9 Ave 10
Sodium 11 ave 5
Vis 61.1 (59-65)
Flashpoint 380 (>370)
Fuel <0.5
Antifreeze 0
Insolubles 0.4

Top
#103706 - 10/04/04 05:21 AM Re: source of potassium and sodium in used oil.
JohnnyG Offline


Registered: 01/01/03
Posts: 323
Loc: Ohio
How about from the fuel itself?

Top
#103707 - 10/04/04 10:15 AM Re: source of potassium and sodium in used oil.
olympic Offline


Registered: 05/23/04
Posts: 694
Loc: Saskatchewan, Canada
My UOA's always show some sodium(not tested for potassium) and I'm confident that I don't have a coolant leak. If the numbers start trending up then that would be cause for concern.

Top
#103708 - 10/04/04 11:35 AM Re: source of potassium and sodium in used oil.
Silverado Offline


Registered: 10/30/03
Posts: 127
Loc: Bakersfield, California U.S.A.
I have had a trend in sodium from 5 to 10 to 15 in my last 3 UOA's which has puzzled me as well. Some other members pointed it out to me, yet I'm not sure what to make of it. I will find out pretty soon with the help of Terry Dyson's services, as I plan on chaging my oil next week.

Top
#103709 - 10/04/04 05:11 PM Re: source of potassium and sodium in used oil.
dickwells Offline


Registered: 06/12/02
Posts: 901
Loc: Northern Illinois
My 02 Silverado 4.3 showed sodium quite a while then the analysis company switched it to Potassium and back to sodium, they can't seem to properly differentiate them. At any rate I checked the MSDS for Dexcool and it showed a potassium compound. I had the Intake gasket changed and sure enough it was broken and leaking in at least one spot, though very slowly. I have not got my next analysis yet, just went over 3k miles on that change.

Top
#103710 - 10/05/04 09:28 AM Re: source of potassium and sodium in used oil.
MNgopher Offline


Registered: 09/17/02
Posts: 3230
Loc: Lakeville, MN
Sodium may also be caused by Road Salt usage in the wintertime. Contamination may come from either ingestion (through the air intake or other vacuum leak) or sample contamination (salt around the drain plug, etc...). I tend to notice a slight bump in sodium values over winter intervals as a result.

Top