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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Automatic Transmission - Diagnosis - Ax4S) >> Diagnosis & Testing >> Torque CONVERTOR Engagement Test

Torque CONVERTOR Engagement Test

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  1. Connect tachometer. Warm engine to normal operating temperature. Ensure transmission fluid level is correct. Drive vehicle and maintain vehicle speed at about 50 MPH. Release throttle for about 2 seconds, then reapply to previous setting. Engine RPM should increase when throttle is released and decrease in about 5 seconds after throttle is reapplied. Go to next step.
  2. Maintain vehicle speed at about 50 MPH. Apply light pressure to brake pedal so that brake lights operate. Engine RPM should increase as brake pedal is tapped, and then decrease about 5 seconds after pedal is released. If torque converter clutch operation is not as specified, see TCC operation concerns listed in SYMPTOM DIAGNOSIS  under TROUBLE SHOOTING.
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