p0740

1. While driving 55 MPH on a flat road, slightly depress the brake pedal enough to kick the Torque Converter Clutch (TCC) out. The RPM should rise about 200 RPM.

2. Release the brake pedal and the RPM should slowly drop about 200 RPM.

3. If it shudders or slips, change the fluid and filter. Install ATF+4.

also add a TQ converter shudder additive..