daniel johnson
3 posts
Jul 01, 2025
3:12 AM
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At 180k miles, one Fusion owner spent over $4,500 to rebuild their Ford Fusion Transmission (6F35) using a Trans-Go shift kit. The outcome? There will be no more awkward 1–3 transitions since "you can't even tell the gears shift." This illustrates how rebuild kits and valve-body modifications may significantly increase transmission life and fix typical shift problems, frequently surpassing OEM replacements. The Ford Fusion Transmission frequently experiences difficult or delayed shifting in cooler conditions, particularly when starting cold. Owners report that once warmed, low-speed shift behavior is greatly improved by drain-and-fill and resetting adaptive TCM settings. Low-viscosity ATF designed for hot operation is the cause of this problem; it thickens in the cold.
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