2004 Ford F250 Diesel Supplement 2nd Printing - Page 65

2004 Ford F250 Manual

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General Owner 's Information Normal vehicle axle maintenance Rear axles and power take off (PTO) units containing synthetic lubricant and light duty trucks equipped with Ford-design axles are lubricated for life. These lubricants are not to be checked or changed unless a leak is suspected, service is required or the axle assembly has been submerged in water. The axle and PTO lubricant should be changed anytime the axle and PTO have been submerged in water. Non-synthetic rear axle lubricants should be replaced every 3,000 miles or 3 months, whichever occurs first, during extended trailer tow operation above 21 Celsius (70 degrees Fahrenheit) ambient and wide open throttle for extended periods above 45 mph. The 3,000 mile lube change interval may be waived if the axle was filled with 75W140 synthetic gear lubricant meeting Ford specification WSL-M2C192-A, part number F1TZ-19580-B or equivalent. Add four ounces of additive friction modifier C8AZ-19B546-A (EST-M2C118-A) or equivalent for complete refill of Traction-Lok rear axles. The axle lubricant should be changed anytime an axle has been submerged in water. F-450 and F-550 axle maintenance Replace rear axle lubricant every 100,000 miles under normal driving conditions on all F-450 and F-550 commercial applications. For F-450 and F-550 trucks operated at or near maximum Gross Vehicle Weights, the rear axle lubricant should be replaced every 50,000 miles. In addition, this 50,000 mile schedule should be observed when the vehicles are operated under the Special Operating Conditions, where noted. SPECIAL OPERATING CONDITIONS Towing a trailer or using a camper or car-top carrier Every 5,000 miles or 6 months: Change engine oil and replace filter Every 15,000 miles: Inspect and lubricate 4x2 ball joints and steering idler arms Every 30,000 miles: Lubricate 4x4 hub needle bearings Every 60,000 miles: Change transfer case fluid As required: Change manual transmission fluid Extensive idling and/or low-speed driving for long distances as in heavy commercial use such as delivery, taxi, patrol or livery Every 5,000 miles, 6 months or 200 hours of engine operation (whichever comes first): Change engine oil and replace filter 65

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Normal vehicle axle maintenance
Rear axles and power take off (PTO) units containing synthetic lubricant
and light duty trucks equipped with Ford-design axles are lubricated for
life. These lubricants are not to be checked or changed unless a leak is
suspected, service is required or the axle assembly has been submerged
in water. The axle and PTO lubricant should be changed anytime the
axle and PTO have been submerged in water. Non-synthetic rear axle
lubricants should be replaced every 3,000 miles or 3 months, whichever
occurs first, during extended trailer tow operation above 21 Celsius (70
degrees Fahrenheit) ambient and wide open throttle for extended
periods above 45 mph. The 3,000 mile lube change interval may be
waived if the axle was filled with 75W140 synthetic gear lubricant
meeting Ford specification WSL-M2C192-A, part number F1TZ-19580-B
or equivalent. Add four ounces of additive friction modifier
C8AZ-19B546-A (EST-M2C118-A) or equivalent for complete refill of
Traction-Lok rear axles. The axle lubricant should be changed anytime
an axle has been submerged in water.
F-450 and F-550 axle maintenance
Replace rear axle lubricant every 100,000 miles under normal driving
conditions on all F-450 and F-550 commercial applications. For F-450
and F-550 trucks operated at or near maximum Gross Vehicle Weights,
the rear axle lubricant should be replaced every 50,000 miles. In
addition, this 50,000 mile schedule should be observed when the vehicles
are operated under the Special Operating Conditions, where noted.
SPECIAL OPERATING CONDITIONS
Towing a trailer or using a camper or car-top carrier
Every 5,000 miles or 6 months:
Change engine oil and replace filter
Every 15,000 miles:
Inspect and lubricate 4x2 ball joints and steering
idler arms
Every 30,000 miles:
Lubricate 4x4 hub needle bearings
Every 60,000 miles:
Change transfer case fluid
As required:
Change manual transmission fluid
Extensive idling and/or low-speed driving for long distances as in
heavy commercial use such as delivery, taxi, patrol or livery
Every 5,000 miles, 6 months or 200 hours of engine operation
(whichever comes first):
Change engine oil and replace filter
General Owner
’
s Information
65