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3. Clean any dirt from around the filler plug.
4. Remove the filler plug and inspect the fluid level. The fluid level
should be at the bottom of the filler plug opening.
5. Add fluid, if necessary, through the filler plug opening.
6. Clean and install the filler plug securely.
Changing Fluid
Drain and refill your transmission fluid while it is warm.
1. Park the vehicle on level ground.
2. Set the parking brake, shift into first gear and turn the engine off.
3. Clean any dirt from around the filler and drain plugs.
4. Remove the filler and drain plugs and drain the fluid into a suitable
container. Dispose of all used automotive fluids in a responsible
manner following your local authorized standards.
5. Clean and install the drain plug securely.
6. Add fluid through the filler plug opening.
7. Clean and install the filler plug securely.
DRIVESHAFT
Check the universal joints for any evidence of wear or looseness at the
regular lubrication interval. Stop the vehicle immediately, should
driveshaft vibrations occur, to avoid possible hazardous consequences or
damage to other components.
REAR AXLE FLUID
Your rear axle may be filled with an optional synthetic lubricant which
allows the use of extended service intervals. A tag on the filler plug
identifies the use of the synthetic lubricant.
Only use a lubricant that meets manufacturer specifications. See the
Capacities and Specifications chapter. Use of a non-approved rear
axle lubricant may cause internal axle component damage.
Checking the Fluid Level
See the Scheduled Maintenance chapter for rear axle lubricant level
check intervals.
1. Park the vehicle on level ground.
2. Set the parking brake and shift into position N or P (automatic
transmission), or first gear (manual transmission). Turn the engine off.
3. Clean any dirt from around the rear axle filler plug.
4. Remove the filler plug and inspect the lubricant level. It should be at
the bottom of the filler plug opening.
5. Add lubricant, if necessary, through the filler plug opening.
6. Clean and install the filler plug securely.
2013 F-650/750 (f67)
Owners Guide gf, 1st Printing, October 2012
USA (fus)
Maintenance
223
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