transmission shudder

[anthonyc6417]

i have a 2003 explorer with a 4.6 the transmission shudders betweeen 2-3, and 3-4 upshift. the fluid level is correct and i have done a flush and filter change. fluid is not burn or discolored, thinking about trying shudder fix. what do you think is the best thing to do thanks

 

[BrooklynBay]

Welcome to this forum! What kind of fluid did you use? Did you add Lubegard?

 

[anthonyc6417]

no i used valvoline merco v and dr trannys shudder fix

 

[tonydp]

i had same problem in my lincoln until i changed the rear diff fluid? BTW, i used Amsoil, not that it makes a diffence.