Power Steering System Bleeding

For information on Ford Color Coded Illustrations refer to OEM Color Coding .

Materials

Name	Specification
Motorcraft® MERCON® LV Automatic Transmission Fluid XT-10-QLVC	WSS-M2C938-AMERCON® LV,

Bleeding

NOTE: This bleeding procedure requires the use of a

Bleed Box only available from Multimatic. Contact the Ford GT Concierge to obtain a Bleed Box from Multimatic.

NOTE: Do not attempt to bleed the power steering system without using a

Bleed Box provided by Multimatic. Damage to the vehicle and components may result.

NOTE: If the air is not purged from the power steering system correctly, premature power steering pump failure may result. The condition can occur on pre-delivery vehicles with evidence of aerated fluid or on vehicles that have had steering component repairs.

Start the engine and manually deploy the rear wing.
- NOTE: Make sure that this setting is returned to
  
  Auto once the wing is raised to avoid damage to the system and or components.
  
  Set the wing to
  
  Raised in the instrument cluster.
NOTE: Make sure that the area around and under the vehicle is clear.

Cycle the vehicle in and out of

Track Mode .
Turn the engine off.
Remove the front undershield. Refer to: Front Undershield .
NOTE: Disconnect the VDM electrical connectors as shown. Failure to follow these instructions could lead to component damage or failure.

Disconnect the VDM electrical connectors.

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NOTE: Connect connectors to the same colors. Grey-to-grey. Black-to-black.

Connect the bleed box harness connectors to the VDM.

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NOTE: Connect connectors to the same colors. Grey-to-grey. Black-to-black.

Connect the vehicle VDM to the bleed box.
NOTE: Failure to follow these instructions will cause fluid to leak through the breather during the purge cycle.

Remove the cap and breather from the power steering fluid reservoir. Cover both openings with a lint-free towel.

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NOTE: If the fluid level is above the Max line do not remove excess fluid.

Fill the fluid level to the

Max line.

Material: Motorcraft® MERCON® LV Automatic Transmission Fluid / XT-10-QLVC (WSS-M2C938-A) (MERCON® LV,)
Disconnect the bypass valve electrical connector.

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NOTE: It is not necessary to remove excess oil at this time.

Start the engine and allow the oil to circulate for 30 seconds.
NOTE: If the fluid level is above the Max line remove excess fluid.

Fill the fluid level to the

Max line.

Material: Motorcraft® MERCON® LV Automatic Transmission Fluid / XT-10-QLVC (WSS-M2C938-A) (MERCON® LV,)
NOTE: This step is performed with the vehicle on a hoist and wheels and tires off the ground.

Bleed the steering gear by turning the steering wheel lock-to-lock 10 times holding at lock for 2 seconds.
Turn off the engine and allow the vehicle to rest for a minimum of 2 minutes.
Fill the fluid level to the
Max line.

Material: Motorcraft® MERCON® LV Automatic Transmission Fluid / XT-10-QLVC (WSS-M2C938-A) (MERCON® LV,)
Connect the bypass valve electrical connector.

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Start the engine and allow the accumulator to charge.
- Allow approximately thirty seconds.
- Make sure all switches on the
  Bleed Box are set to OFF.
Activate the
SYS PURGE switch on the

Bleed Box until the fluid is fully purged.
- The wing will fall into air brake to show there is no pressure in the circuit.
Deactivate the
SYS PURGE switch and allow the circuit to recharge.
- Allow up to 30 seconds.
Repeat Steps 18 and 19, 10 times.
NOTE: Make sure that the rear of the vehicle is clear. Obstructions may cause vehicle damage and or personal injury.

With the engine running, cycle the wing up and down using the

Bleed Box 10 times to purge any remaining air.
- If the wing does not move when commanded, make sure that the vehicle is set to normal or sport mode and the wing is set to
  Auto .
- Once these settings are active, turn the engine off and on again to reset the controller.
- NOTE: Deployment/retraction time should be approximately two seconds.
  
  During cycling, observe the wing motion to make sure operation is smooth.
Turn off the engine and allow the vehicle to rest for a minimum of 2 minutes.
Fill the fluid level to the
Max line.

Material: Motorcraft® MERCON® LV Automatic Transmission Fluid / XT-10-QLVC (WSS-M2C938-A) (MERCON® LV,)
NOTE: Connect the VDM electrical connectors in reverse order as shown during removal. Failure to follow these instructions could lead to component damage or failure.

Remove the

Bleed Box and re-connect the VDM electrical connectors.
NOTE: The vehicle must be on the ground to enter track mode.

Lower the vehicle.
Start the engine.
NOTE: There may be a high pitched squeak heard during a cycle as air works its way out of the valves.

Cycle the vehicle in and out of

Track Mode 5 times. Stay in

Track Mode for 30 seconds each time.
Turn off the engine.
Fill the fluid level to the
Max line.
- Remove excess oil from the reservoir as necessary.
- Clean the top of the fluid reservoir.
  Material: Motorcraft® MERCON® LV Automatic Transmission Fluid / XT-10-QLVC (WSS-M2C938-A) (MERCON® LV,)
Install the cap and breather on the power steering fluid reservoir.

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Install the front undershield. Refer to: Front Undershield .