DEFINITION: In all ranges, a whine which may be sensitive to RPM load or which ceases when the TCC engages or which is sensitive to the oil pressure.

Torque Converter (1)

Verify that the noise is internal to the torque converter by placing your left foot on the brake with the gear or selector in Drive.

Oil Pump System

Pump whine noise, which is usually noticeable in Park, Neutral, and all other gear ranges. Pump whine will vary with line pressure.