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TSB
97-21-10
  • TRANSMISSION - 4R70W - NEW DESIGN ENHANCEMENTS FOR 1998 VEHICLES
  • TRANSMISSION - 4R70W - NEW ONE-WAY CLUTCH (OWC) TO SERVICE AT THE INTERMEDIATE POSITION
Publication Date: OCTOBER 13, 1997

FORD:
1998 CROWN VICTORIA, MUSTANG
LINCOLN-MERCURY:
1998 GRAND MARQUIS, MARK VIII, TOWN CAR
LIGHT TRUCK:
1998 ECONOLINE, EXPEDITION, EXPLORER, F-150, F-250 LD, MOUNTAINEER, NAVIGATOR

ISSUE:

Ford Motor Company would like to advise customers of the three new design enhancements in the 4R70W rear wheel drive transmission for 1998. These changes include:

  • Using MERCON V fluid
  • A molded leadframe which replaces the bulkhead wiring harness
  • The Mechanical Diode Intermediate One-Way Clutch (OWC)

....


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