Power Steering System Flushing - CII Power Steering Pump

WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, 2003 Ford Excursion, and 2003 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Material

MATERIAL SPECIFICATION

Item	Specification
Motorcraft MERCON® Multi-Purpose (ATF) Transmission Fluid XT-2-QDX	MERCON®

WARNING: Do not mix oil types. Any mixture or any unapproved oil can lead to seal deterioration and leaks. A leak can ultimately cause loss of fluid, which can result in a loss of power steering assist.

Remove the injector driver module (IDM) relay to prevent engine starting.

Fig 1: Identifying Injector Driver Module Relay
Courtesy of FORD MOTOR CO.
Loosen the two clamps. Remove the air intake tube.

Fig 2: Loosening Two Clamps And Removing Air Intake Tube
Courtesy of FORD MOTOR CO.
Disconnect the power steering return hose (3A713). Plug the reservoir fitting.

Fig 3: Disconnecting Power Steering Return Hose
Courtesy of FORD MOTOR CO.
Attach an extension hose between the power steering return hose and an empty container.
Raise the front wheels off the floor.
Fill the reservoir.

Fig 4: Identifying Reservoir
Courtesy of FORD MOTOR CO.

CAUTION: Do not crank the engine for more than 15 seconds at a time. Allow the starter to cool for 1 minute before cranking again. Premature starter failure can occur.

CAUTION: Do not hold the steering wheel against the stops for more than three to five seconds at a time. Damage to the power steering pump could occur.

Fig 5: Turning Steering Wheel From Stop-To-Stop While Cranking Engine

Courtesy of FORD MOTOR CO.

Turn the steering wheel from stop-to-stop while cranking the engine until the fluid exiting the power steering return hose is clear of all contamination and foreign material.
- Fill the reservoir.
Lower the vehicle.
Disconnect the extension hose from the power steering return hose. Remove the plug. Attach the power steering return hose to the reservoir.

Fig 6: Disconnecting Extension Hose From Power Steering Return Hose
Courtesy of FORD MOTOR CO.

CAUTION: Do not overfill the reservoir.

Fig 7: Identifying Reservoir

Courtesy of FORD MOTOR CO.

Fill the reservoir.
Install the air intake tube. Tighten the two clamps.

Fig 8: Installing Air Intake Tube
Courtesy of FORD MOTOR CO.
Install the IDM relay.

Fig 9: Installing IDM Relay
Courtesy of FORD MOTOR CO.

CAUTION: Do not hold the steering wheel against the stops for more than three to five seconds at a time. Damage to the power steering pump could occur.

Start the engine and turn the steering wheel from stop-to-stop.

NOTE: If the power steering system is noisy and accompanied by evidence of aerated fluid it will be necessary to purge the power steering system.

Check the power steering fluid level.

Fig 10: Starting Engine And Turn Steering Wheel From Stop-To-Stop

Courtesy of FORD MOTOR CO.