Maintenance and Service Guide
❑ Inspect exhaust system for leaks, damage or loose parts. Remove any
foreign material trapped by exhaust system shielding.
❑ NOTE: It is normal for a certain amount of moisture and staining to
be present around the muffler seams. The presence of soot, light
surface rust or moisture does not indicate a faulty muffler.
DEALER AUTHORIZATION
Date:
Mileage:
125,000 KILOMETERS (75,000 MILES)
❑ Change engine oil and replace oil filter.
❑ Inspect engine cooling system, hoses, and clamps; check coolant
strength every 25,000 km (15,000 miles) or 12 months.
❑ Change fuel filter (Recommended but not required for California
Certified Vehicles).
❑ Change fuel filter every 25,000 km (15,000 miles) (7.3L DIT Diesel
only).
DEALER AUTHORIZATION
Date:
Mileage:
130,000 KILOMETERS (78,000 MILES)
❑ Change engine oil and replace oil filter.
❑ Change engine coolant every 50,000 km (30,000 miles) or 36
months.
❑ For 7.3L DIT Diesel, add 1.9L (4.0 pints) of FW-15 each time
engine coolant is changed.
❑ Rotate tires and adjust air pressure. (3)(4)(5)
❑ Lubricate steering linkage driveshaft U-joint if equipped with grease
fittings and lubricate slip yoke (if equipped). (2)
DEALER AUTHORIZATION
Date:
Mileage:
Severe duty schedule
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