High, Whining Noise Increasing With Engine Speed

- Probable fault Low fluid level.
Action Top up level.

- Probable fault Blocked oil strainer.
Action Clean strainer (replace if necessary).

- Probable fault Worn oil pump.
Action Replace oil pump.


- Probable fault Torque converter fault.
Action Replace torque converter.

- Probable fault Internal gearbox fault.
Action Replace (or overhaul) gearbox.