2008 Ford F250 Special Off-Road Package Supplement 1st Printing - Page 21

2008 Ford F250 Manual

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Driving Inspection and lubrication When servicing any driveline components on a vehicle equipped with a locking rear differential, ensure that the engine is off and all wheels are off the ground to prevent the vehicle from moving. Axles equipped with a locking rear differential deliver power to both wheels, even when only one wheel is on the ground. Failure to observe these cautionary measures may cause the vehicle to move which can result in property damage, personal injury, even death. This differential is designed to operate in the lubricant recommended by the vehicle/axle manufacturer; no special lubricant is needed. Refer to the Maintenance Product Specifications and Capacities in your Owner's Guide for the proper axle lubricant. For very cold weather applications, use the lightest oil the axle manufacturer will allow to overcome possible sluggish re-engagement of the driven clutch assemblies. No adjustments or alterations should be made to the differential. Refer to the vehicle/axle manufacturer's instructions for adjustments to other components in the axle. SAND INGESTION When driving through sand, traction or brake capability may be limited. Also, sand may enter your engine's air intake and severely damage your engine or your vehicle may stall. Driving through sand where the transmission vent tube or external breather kit is submerged may allow sand into the transmission and cause internal transmission damage. 21 2008 F-250/350/450/550 (f23) Supplement USA (fus)

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Inspection and lubrication
When servicing any driveline components on a vehicle equipped
with a locking rear differential, ensure that the engine is off and
all wheels are off the ground to prevent the vehicle from moving. Axles
equipped with a locking rear differential deliver power to both wheels,
even when only one wheel is on the ground. Failure to observe these
cautionary measures may cause the vehicle to move which can result
in property damage, personal injury, even death.
This differential is designed to operate in the lubricant recommended by
the vehicle/axle manufacturer; no special lubricant is needed. Refer to
the
Maintenance Product Specifications and Capacities
in your
Owner’s Guide
for the proper axle lubricant. For very cold weather
applications, use the lightest oil the axle manufacturer will allow to
overcome possible sluggish re-engagement of the driven clutch
assemblies.
No adjustments or alterations should be made to the differential. Refer to
the vehicle/axle manufacturer’s instructions for adjustments to other
components in the axle.
SAND INGESTION
When driving through sand, traction or brake capability may be limited.
Also, sand may enter your engine’s air intake and severely damage your
engine or your vehicle may stall. Driving through sand where the
transmission vent tube or external breather kit is submerged may allow
sand into the transmission and cause internal transmission damage.
2008 F-250/350/450/550
(f23)
Supplement
USA
(fus)
Driving
21