Maintenance - Power Steering Fluid Check

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Power Steering Fluid Check

Check the power steering fluid. See Scheduled Maintenance. If adding fluid is necessary, use only MERCON LV ATF

Check the fluid level when it is at ambient temperature.

Check the fluid level in the reservoir. It should be between the MIN and MAX range. Do not add fluid if the level is within this range.
If the fluid level is low, add fluid to bring the fluid level up to between the MIN and MAX range.
Switch the engine on.
While the engine idles, turn the steering wheel left and right several times.
Switch the engine off.
Recheck the fluid level in the reservoir. Do not add fluid if the level is between the MIN and MAX range.
If the fluid is low, add fluid in small amounts, continuously checking the level until it is between the MIN and MAX range. For proper fluid type, See Capacities and Specifications. Be sure to put the cap back on the reservoir.

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2020 Super Duty Owner's Manual