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You are watching: What happens if you mix mercon v and mercon lv


2004 focus 2.3 auto. Checked out dealer to choose up infectious diseases world fashion fluid and also solenoid A, filter and also gasket. Parts guy looks up parts by vin, offers me LV fluid, ns didnt think noþeles of it. Gain home and also verify because i have actually ocd and manual states mercon V. Dubbed the dealer and also talked to exact same parts man who states that LV is what his mechanism shows. Now i look at the carfax report and also this auto has had actually the trans fluid changed every 30,000 miles since brand-new and we haven’t done it for this reason the last readjust was 60,000 miles earlier and in 2014. Would they have actually used the LV or the V? i am under the impression that they cannot be mixed so currently im concerned. By the way, the auto is throwing the P0960 password so i want to change the A and B solenoids.
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I would certainly run redline D4 it"s high-quality but an excellent stuff. Likewise don"t ever buy anything in ~ a dealership. You will certainly pay means more than necessary. Valvoline maxlife is additionally a an excellent transmission fluid and also is compatible. Sent out from my LG-LS997 using Tapatalk
Reactions:Cobranut
The only distinction in V and also LV is a little amount the viscosity that lowered ~ above the LV to aid mileage. I"m running both blended in mine Nissan to reduced trans fluid price vs. OEM and also it operation great.
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My wife"s cool Marquis had actually torque converter shudder. In 4th gear, under slight acceleration, you might feel it. Top top the advice of crownvic.net folks, ns dropped the pan, changed the filter and filled it through Mercon LV. Shudder gone. I understand Ford approve a organization bulletin to this result for the Crown Vic & cool Marquis cars. My wife"s auto would have actually run Mercon V originally.I perform not know around fluid compatibility - in mine case, I cleared the pan and also drained the talk converter, which luckily had actually a plug. What I"m saying is the LV could be the ideal stuff, also though older manuals might call out V.

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Reactions:txmnjim and also Cobranut
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The current Motorcraft auto trans fluid chart mirrors the 4F27E transmission utilizing Mercon LV 2000-2013:
https://www.motorcraft.com/content/dam/ford-motorcraft/en_us/motorcraft_global/products/chemicals_and_lubricants/transmission_fluids/L%C3%ADquidos%20de%20transmisi%C3%B3n-fluidchart.pdf
It can just be the brand-new fluid, not the type, brand-new fluid is cost-free of the abrasives that old fluid has and that have the right to make a whopping distinction in low load torque transfer prefer you define there. ~ above the LV going into also the early cars the previously offered V, Ford has actually simply done what castle did prior to with Mercon V as contrasted to larger Mercon. Meaning after sufficient time has actually passed they drop the correct liquid for that year to walk to a later fluid that is commonly brought in house to be available all the time. It certainly didn"t hurt the the newer fluid was fairly a bit much more expensive than the enlarge one too. In the instance of the V move from lowly Mercon despite Ford bit itself ~ above the -ss, the new fluid was supposedly compatible yet upon switching to that some numerous cars tore up that Ford itself subbed the fluid on, the turned the end they were not as compatible as an initial thought and the Mercon V fluid had to it is in reformulated to where it would interchange v no damage.