FORD 2008 F-550 v.3 - Manual (Page 369)

POWER STEERING FLUID
Check the power steering fluid. Refer to the scheduled maintenance
information for the service interval schedules. If adding fluid is
necessary, use only MERCON
௡ ATF.
• Gasoline engine shown; diesel
engine similar. Refer to
Identifying components in the
engine compartment in the 6.0
and 6.4 Liter Power Stroke
Direct Injection Turbo Diesel
Owner Guide Supplement.
Check the fluid level when it is at ambient temperature, 20°F–80°F
(-7°C–25°C):
1. 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.
2. If the fluid level is low. Add fluid to bring fluid level up to be between
the MIN and MAX range.
3. Start the engine.
4. While the engine idles, turn the steering wheel left and right several
times.
5. Turn the engine off.
6. Recheck the fluid level in the reservoir. Do not add fluid if the level is
between the MIN and MAX range.
7. If the fluid is low, add fluid in small amounts, continuously checking
the level until it is between the MIN and MAX range. Be sure to put the
cap back on the reservoir.
2008 F-250/350/450/550 (f23)
Owners Guide (post-2002-fmt)
USA (fus)
Maintenance and Specifications
369