Additional maintenance items
1
Miles (x 1,000) 15 22.5 30 45 60 67.5 75 90 105 112.5 120 135 150
Kilometers (x 1,000) 24 36 48 72 96 108 120 144 160 172 184 206 240
Inspect engine and secondary cooling system
concentration (freeze-point protection), additive
strength (corrosion inhibitor), coolant level and hoses
2
• ••• ••• •••
Replace engine- and frame-mounted fuel filters
3
••• • • •
Replace climate-controlled seat filter (if equipped)•• • • •
Replace air inlet foam filter Replace at 45,000 miles (72,000 km), 97,500 miles
(156,000 km) and 150,000 miles (240,000 km)
Replace front wheel bearing grease and grease seal if
non-sealed bearings are used (2WD vehicles)••
Inspect accessory drive belt(s)
4
•
Change rear axle fluid (Dana axles; refer toSpecial
operating conditions)Replace at 100,000 miles (160,000 km), then at
150,000 miles (240,000 km)
Change engine coolant and secondary coolant5
Change automatic transmission fluid and filter on
6–speed TorqShifttransmission•
Change front axle fluid (4WD vehicles)•
Change transfer case fluid (4WD vehicles)•
Scheduled Maintenance Guide
75
2012 Diesel(67l)
Supplement(supplement), 1st Printing
Arabic_(LHD)(gc_lhd)
Operating in dusty conditions (i.e. unpaved or dusty roads)
Every 7,500 miles
(12,000 km)Rotate tires, inspect tires for wear and
measure tread depth and inspect wheel ends
for endplay and noise; dual rear wheels should
only be rotated if unusual wear is observed
Inspect brake system pads and rotors
Inspect engine air filter restriction gauge;
replace filter as indicated by gauge
Inspect steering and suspension ball joints and
tie rods; lubricate if equipped with grease
fittings
Every 7,500 miles
(12,000 km), 6 months
or 300 engine hoursChange engine oil and filter
Inspect and lubricate U-joints
Every 15,000 miles
(24,000 km),
6 months, 600 engine
hours or as indicated
by message centerReplace engine- and frame-mounted fuel filters
Every 30,000 miles
(48,000 km)Replace wheel bearing grease/grease seals if
non-sealed bearings are used (2WD vehicles)
Reset your Intelligent Oil Life Monitor™ after each engine oil and filter
change; refer to theInstrument Clusterchapter of theOwner’s
Guide.
Use of Biodiesel, up to and including 20% Biodiesel (B20)
As required Change engine oil and filter as indicated by
message center and perform services listed in
the scheduled maintenance chart
Every 15,000 miles
(24,000 km),
6 months, 600 engine
hours or as indicated
by message centerReplace engine- and frame-mounted fuel filters
Scheduled Maintenance Guide
86
2012 Diesel(67l)
Supplement(supplement), 1st Printing
Arabic_(LHD)(gc_lhd)
