F 350 2WD Super Duty V8-5.4L SOHC VIN L (2002)
1. NOTE: A whine heard from the power steering pump may be caused by air in the system. The power steering purge procedure must be performed
prior to any component repair for which power steering noise complaints are accompanied by evidence of aerated fluid.
Remove the reservoir cap. Check the fluid.
2. Tightly insert the stopper of the Vacuum Pump into the reservoir.
3. Start the vehicle.
4. Apply maximum vacuum and maintain it for a minimum of three minutes with the engine speed set at idle.
5. Release the vacuum and remove the vacuum pump.
