Ford 2011 Econoline Owner's Manual page 293

Maintenance and Specifications
H
C
ADD COLD HOT DO NOT ADD
If an overfill occurs, excess fluid should be removed by an authorized
dealer.
An overfill condition of transmission fluid may cause shift and/or
engagement concerns and/or possible damage.
Do not use supplemental transmission fluid additives, treatments or
cleaning agents. The use of these materials may affect transmission
operation and result in damage to internal transmission components.
293
2011 Econoline (eco)
Owners Guide, 3rd Printing
USA (fus)
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