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#2459329 - 12/11/11 07:23 AM Re: Aftermarket Mercon LV ? [Re: AITG]
partspro Offline


Registered: 12/08/11
Posts: 169
Loc: MO, USA
Valvoline High Mileage fluid 'claims' to be Mercon LV compatible. Its a great fluid for many applications but I'm not sure how they meet Low Viscosity spec yet kept it compatible with other applications. Maybe the Low Viscosity is just for that extra 0.3 mpg for cafe standards. Mobil 1 Full Synthetic fluid claims to be Mercon LV on the Mobil website BUT the bottles in my store clearly state NOT to be used in Mercon LV applications. I need to e-mail mobil about the discrepancy.

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#2459378 - 12/11/11 08:51 AM Re: Aftermarket Mercon LV ? [Re: jmsjags]
tig1 Offline


Registered: 01/03/09
Posts: 10446
Loc: Illinois
Originally Posted By: jmsjags
so i was just looking into this today because i plan on changing the transmission fluid in my 2008 focus. the owner's manual says to change it at 60,000 miles but this fluid is supposed to be "fill-for-life". so what do i do? do i change it or leave it in there?

and also what would everyone recommend as a good tranny fluid? i've heard good things about amsoil and mobil 1

EDIT: ok well it turns out mobil doesn't make an ATF approved for Mercon LV. so any other recommendations?


I haven't taken the time to look it up, but I don't think your Focus calls for LV fluid. My 07 calls for Mercon V. and I have used M1 ATF in it with the usual fine results. Also try M1 in your PS pump. Very good cold temp results.


Edited by tig1 (12/11/11 08:51 AM)
_________________________
2007 Ford Fusion 155,000 miles
M1 0-20 AFE
2007 Ford Focus 138,000 miles
M1 0-20 AFE
10,000 mile OCIs on both engines
M1 ATF
M1 10-30 in all OPE

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#2459411 - 12/11/11 09:34 AM Re: Aftermarket Mercon LV ? [Re: tig1]
RF Overlord Offline


Registered: 11/08/03
Posts: 3370
Loc: Cape Cod, MA
Originally Posted By: tig1
but I don't think your Focus calls for LV fluid. My 07 calls for Mercon V.
Ford switched most of their line to LV in '08.
_________________________
Supercharged '03 Mercury Marauder - Trilogy Motorsports #61
PP 5W-30 / MC FL820S

Y2K Grand Marquis GS - daily driver
MC 5W-20 / MC FL820S

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#2459430 - 12/11/11 10:12 AM Re: Aftermarket Mercon LV ? [Re: RF Overlord]
tig1 Offline


Registered: 01/03/09
Posts: 10446
Loc: Illinois
Originally Posted By: RF Overlord
Originally Posted By: tig1
but I don't think your Focus calls for LV fluid. My 07 calls for Mercon V.
Ford switched most of their line to LV in '08.


That bugs me that Ford calls for so many differant ATFs for their line. My Fusion calls for FNR5, while the Focus calls for Mercan V, and now LV. Actually I still use M1 in the Fusion even though it doesn't show that spec(the same as Mazda MV) on the bottle. Mobil tech told me it's the same fluid now as when it showed the other spec's. Transmission builders are loosing their minds!
_________________________
2007 Ford Fusion 155,000 miles
M1 0-20 AFE
2007 Ford Focus 138,000 miles
M1 0-20 AFE
10,000 mile OCIs on both engines
M1 ATF
M1 10-30 in all OPE

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#2459751 - 12/11/11 04:45 PM Re: Aftermarket Mercon LV ? [Re: tig1]
The Critic Offline


Registered: 08/30/04
Posts: 18211
Loc: Walnut Creek, CA
Originally Posted By: tig1
Originally Posted By: RF Overlord
Originally Posted By: tig1
but I don't think your Focus calls for LV fluid. My 07 calls for Mercon V.
Ford switched most of their line to LV in '08.


That bugs me that Ford calls for so many differant ATFs for their line. My Fusion calls for FNR5, while the Focus calls for Mercan V, and now LV. Actually I still use M1 in the Fusion even though it doesn't show that spec(the same as Mazda MV) on the bottle. Mobil tech told me it's the same fluid now as when it showed the other spec's. Transmission builders are loosing their minds!


The software programming for the transmission will affect fluid recommendations as well.

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#2467284 - 12/19/11 01:27 PM Re: Aftermarket Mercon LV ? [Re: dnewton3]
stranger706 Offline


Registered: 04/24/09
Posts: 933
Loc: Gulf Coast
Update for the Ford guys:

All the new M1 ATF bottles now say suitable for Mercon LV applications. The website does not mention Mercon LV.

We all know that its not "licensed" but I'll probably be using this for my drain and fills in the Fusion from now on.



Edited by stranger706 (12/19/11 01:28 PM)

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