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#3443296 - 08/01/14 08:59 PM Valvoline Dino 75w-90 GL-5 20k mi Forester 5MT
Bandito440 Offline


Registered: 02/13/12
Posts: 3661
Loc: NYS
This was run between 2,500 and 22,400 miles in my Forester's 5-speed manual transmission. Viscosity was flagged. This was a Wix prepaid analysis kit. There was a bit of black sludge on the magnetic plug, but nothing that I haven't seen before. I didn't see anything shiny on the plug or in the oil.

I'm concerned about the level of iron, and the viscosity is obviously low. Thoughts?

I refilled it with the same, but maybe I should switch to something else.

Html:
Oil			Valvoline Conventional 75w-90 GL-5
Miles on Oil		19,900
Miles on Car		22,400
Sample Date		7/7/14

Aluminum		11
Chromium		2
Iron			119
Copper			6
Lead			0
Tin			0
Molybdenum		0
Nickel			0
Manganese		0
Silver			0
Titanium		0
Potassium		6
Boron			358
Silicon			24
Sodium			3
Calcium			84
Magnesium		0
Phosphorus		1808
Zinc			197
Barium			0


cSt Viscosity @ 100C	10.9
Water %			<0.05
Solids %		<0.1
TAN			2.97
_________________________
'14 Grand Cherokee EcoDiesel
Rotella T6 5w-40 & OEM filter

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#3443383 - 08/01/14 10:15 PM Re: Valvoline Dino 75w-90 GL-5 20k mi Forester 5MT [Re: Bandito440]
Bottom_Feeder Offline


Registered: 12/07/08
Posts: 2542
Loc: Occupied Virginia
As close as Valvoline looks to be what Subaru transaxles call for, my Impreza did not like it. Shifts into 1st and reverse from a stop were always crunchy. I finally spent some money on genuine Subaru Extra S and it cured the problem.

http://www.amazon.com/Subaru-75W90-Extra-Transmission-Fluid/dp/B007L6Q1EK

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#3443388 - 08/01/14 10:18 PM Re: Valvoline Dino 75w-90 GL-5 20k mi Forester 5MT [Re: Bottom_Feeder]
Bandito440 Offline


Registered: 02/13/12
Posts: 3661
Loc: NYS
Originally Posted By: Bottom_Feeder
As close as Valvoline looks to be what Subaru transaxles call for, my Impreza did not like it. Shifts into 1st and reverse from a stop were always crunchy. I finally spent some money on genuine Subaru Extra S and it cured the problem.

http://www.amazon.com/Subaru-75W90-Extra-Transmission-Fluid/dp/B007L6Q1EK

How about that! Last time I looked, it was available only in 5-gallon buckets. I may go that route. Red Line 75w-90 NS is my other thought.

Ah. I see now. That's rebottled by a dealer.


Edited by Bandito440 (08/01/14 10:31 PM)
_________________________
'14 Grand Cherokee EcoDiesel
Rotella T6 5w-40 & OEM filter

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#3444640 - 08/03/14 11:16 AM Re: Valvoline Dino 75w-90 GL-5 20k mi Forester 5MT [Re: Bandito440]
Colt45ws Offline


Registered: 08/15/06
Posts: 9118
Loc: Central Washington
Wow, it sheared and dropped two grades to 80. In only 20k. From [email protected] according to the PDS its down to 10.9cSt. Just under an 85.
0/10 would not use. Would use the 80W90 instead or switch to synthetic 75W90 if you need low temperature performance.


Edited by Colt45ws (08/03/14 11:16 AM)
_________________________
-Colton
2002 Ford Crown Vic PI, 200k "Highwayman"
Ex-Kootenai County, ID Unit #42
Maxlife 5W20
Lubegard Bio/Tech oil treatment
Ultra XG2

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#3447840 - 08/06/14 12:16 PM Re: Valvoline Dino 75w-90 GL-5 20k mi Forester 5MT [Re: Bandito440]
Greasymechtech Offline


Registered: 07/11/14
Posts: 1544
Loc: Paradise of Florida
Trans is still young and breaking in. Shearing is excessive but usually normal in a manual.

Try another gear oil. Idemitsu, Eneos, Redline, Motul, Torco... have nonLSD 75w90 gear oils.
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At what point should a lurker start posting :-)

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#3452088 - 08/11/14 04:50 AM Re: Valvoline Dino 75w-90 GL-5 20k mi Forester 5MT [Re: Bandito440]
dnewton3 Offline



Registered: 05/14/07
Posts: 6518
Loc: Indianapolis, IN
I would not worry about the Fe; this is break-in residual. You dumped the OEM fluid in 2.5k miles, and this is only the second load.

Improvement should come on the next few OCIs.

I'd say overall, the Valvoline didn't do a bad job at all, despite the Vis loss. The Fe is expected in such a young manual tranny unit, and will never be as "low" as engine UOAs.


Edited by dnewton3 (08/11/14 04:50 AM)
_________________________
Conventionals vs. Synthetics isn't about which is "better"; it's about which lasts longer, while assuring safe operation, in relation to cost. Any product can be over or under utilized. The same applies to filters.
Make an informed decision; first consider your operating conditions, next determine your maintenance plan, and then pick your lube and filter. Don't do it the other way around ...

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#3452595 - 08/11/14 04:58 PM Re: Valvoline Dino 75w-90 GL-5 20k mi Forester 5MT [Re: Bandito440]
Bandito440 Offline


Registered: 02/13/12
Posts: 3661
Loc: NYS
Thanks for the feedback. I'm amazed at how much the viscosity dropped. Pablo hooked me up with enough Amsoil Severe Gear 75w-110 for the transaxle and rear differential. I'll run that for 20k miles and get another analysis as long as the shifting remains reasonable and I still have the car.
_________________________
'14 Grand Cherokee EcoDiesel
Rotella T6 5w-40 & OEM filter

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