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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 75 (Automatic Transmission - Diagnosis - 4R70W) >> Performance Tests >> Air Pressure Tests >> Overdrive Servo

Overdrive Servo

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Apply air pressure to overdrive servo apply passage. Operation of band is indicated by tightening of band around reverse clutch drum. A thud can be felt on servo cover when servo returns to released position as a result of spring force from release spring. Band will then relax.