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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1807 (Automatic Transmission - 4R70E/4R75E - F150 & Mark LT) >> Description And Operation >> Apply Components >> One-Way Clutch - Planetary (Low)

One-Way Clutch - Planetary (Low)

WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

For component location, refer to Transmission  in this article.

The planetary (low) one-way clutch is a roller clutch that holds the planetary gearset in 1st gear, Overdrive (Circle D) and D ranges. During automatic coasting downshifts into 1st gear (Overdrive (Circle D) and D ranges), the planetary one-way clutch freewheels so there is no engine braking.