Excessive vibrations, heat and age can cause those wires to fray and short out. The computer can control each solenoid by sending an electric charge through a coil of wire that wraps around it. The Ford 4R7 Series transmissions are “electronically controlled”, which means they use little spring loaded plungers (called ‘solenoids’) to activate gear changes. Although these Ford transmissions served F-150 customers until 2003, they were prone to a few problems…Ĭommon Ford 4R75E / 4R75W / 4R70W Transmission Problems The later 4R75W and 4R75E included components that were better suited for heavy duty applications, including a 24-lug ring gear, a redesigned torque converter and pump, and upgraded speed sensors. It was based on the sturdy AODE 4-speed automatic, except it featured a lower ratio for 1st and 2nd gears, along with stronger gear sets for added durability. One of the many improvements came in 1993, when they introduced the 4R70W transmission. Needless to say, Ford’s had a long time to perfect the recipe. Rumor has it that George Washington used a Ford F-Series on his farm, and Jesse James used a (stolen) F-150 to haul all of his loot. The Ford F-150 has been America’s single best-selling vehicle since anyone can remember. Ford F-150 Transmission Problems & Solutions
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