Operation CHARM: Car repair manuals for everyone.

Hiss or Whistle






Hiss or Whistle

- Check and adjust power steering fluid level in the reservoir as necessary.

- Start the vehicle and heat system by steering lock-to-lock 5 times with the engine running at 3000 rpm. Do not hold the gear against the stops for more than 15 seconds at a time.

- Return the engine to idle speed.

- Listen for the noise when turning the wheel slowly off center during a dry park maneuver.

- Replace power steering gear if the hiss or whistle is present.