Towing a Trailer or Using a Camper or Car-top Carrier
As required Change engine oil and filter as indicated by
the information display and perform services
listed in the scheduled maintenance chart.
Every 15000 miles
(24000 km) or 600
engine hoursInspect concentration (freeze-point
protection) and additive (corrosion inhibitor)
strength; add engine coolant additive, if
required
Every 15000 miles
(24000 km), 6 months,
600 engine hours or as
indicated by the
information displayReplace engine- and frame-mounted fuel
filters.
Every 30000 miles
(48000 km)Replace wheel bearing grease/grease seals if
non-sealed bearings are used (2WD vehicles).
Every 60000 miles
(96000 km)Change transfer case fluid (4WD vehicles).
Every 60000 miles
(96000 km) or 2400
engine hoursFlush and refill engine coolant; do not add
engine coolant additive.
Note:When adding coolant additive, do not exceed the specified
maximum of 48 fluid ounces (1.4 liters). Operating the engine with
excessive coolant additive may cause overheating which could lead to
severe permanent engine damage.
Note:After initial coolant flush and fill at 60000 miles
(96000 kilometers) or 2400 engine hours, flush and fill every 45000 miles
(72000 kilometers) or 1800 engine hours thereafter.
Scheduled Maintenance
85
2013 Diesel(67l)
Supplement, 1st Printing
USA(fus)
