2011 Ford F450 Super Duty Crew Cab Owner Guide 4th Printing - Page 300

Driving Shifting from 4H (4x4 High) to 2H (2WD) Move the transfer case lever to 2H 2H (2WD) at a stop or a vehicle speed below 3 mph (5 km/h). 4H With the vehicle at complete stop, N disengage the locking hubs (optional) by rotating the hub lock 4L control from LOCK to FREE. • For proper operation, make sure that both indicator arrows on the hub are aligned, and that both hubs are set to FREE. Shifting from 2H (2WD) or 4H (4x4 High) to 4L (4x4 Low) 1. Bring the vehicle to a stop or a speed below 3 mph (5 km/h). 2. Place the transmission in N (Neutral). 3. Move the transfer case shift lever 2H through N (Neutral) directly to 4L (4x4 Low). 4H 4. If the shift lever does not, or only N partially moves to the 4L (4x4 Low) position, perform a shift with the 4L transmission in N (Neutral) and the vehicle rolling at a speed below 3 mph (5 km/h). This will ensure the transfer case is fully engaged into 4L (4x4 Low). Note: The vehicle should not be driven in 4X4 High with the hub locks disengaged as this condition may damage driveline system components. Shifting from 4L (4x4 Low) to 4H (4x4 High) or 2H (2WD) 1. Bring the vehicle to a stop or a speed below 3 mph (5 km/h). 2. Place the gearshift lever in N (Neutral). 300 2011 F-250/350/450/550 (f23) Owners Guide, 4th Printing USA (fus)