Transmission fluid type?

[Jackie_Moon]

Noticed my transmission fluid needed replacing at 208k. Took it to local mechanic. They say they drained and filled ****** with MERCON LV.

It was my understanding that MERCON V should've been used?? Am I wrong on this, and is MERCON LV compatible with the 4r100 ****** ?

If MERCON V should've been used, what the **** should i do?

 

[Hamfisted]

They should not have used LV ( Low Viscosity ) Mercon in place of the spec'd Mercon V fluid. It will now require a complete flush with Mercon V to fix the issue. The two fluids are not compatible. Mercon LV was introduced to improve gas mileage, not increase transmission life. Call around your area and find a shop that can do an actual flush, and make sure they use Mercon V.

 

[Machete]

Today tranny flush, front diff oil, transfer case oil, coolant flush, and ps flush.
Oil change last week.
She’s good for another 50,000.