GMC 2003 Yukon Owner's Manual page 475

22,500 Miles (37 500 km)
Check rear/front axle fluid level and add fluid as
needed. Check constant velocity joints and axle seals
for leaking.
Rotate tires. See Tire Inspection and Rotation on
page 5-62 for proper rotation pattern and additional
information. (See footnote +.)
30,000 Miles (50 000 km)
Check rear/front axle fluid level and add fluid as
needed. Check constant velocity joints and axle seals
for leaking.
Rotate tires. See Tire Inspection and Rotation on
page 5-62 for proper rotation pattern and additional
information. (See footnote +.)
Replace fuel filter. An Emission Control Service. (See
footnote †.)
Replace engine air cleaner filter on vehicles without
a restriction indicator. If equipped with a change
indicator, inspect the indicator. If necessary, replace
the filter. If vehicle is driven in dusty/dirty conditions,
inspect the change indicator (if equipped) at every
engine oil change. See Engine Air Cleaner/Filter on
page 5-21 for more information. An Emission
Control Service. (See footnote †.)
37,500 Miles (62 500 km)
Check rear/front axle fluid level and add fluid as
needed. Check constant velocity joints and axle seals
for leaking.
Rotate tires. See Tire Inspection and Rotation on
page 5-62 for proper rotation pattern and additional
information. (See footnote +.)
45,000 Miles (75 000 km)
Inspect engine air cleaner filter or change indicator (if
equipped). If necessary, replace the filter. If vehicle is
driven in dusty/dirty conditions, inspect filter or
change indicator (if equipped) at every engine oil
change. See Engine Air Cleaner/Filter on page 5-21
for more information. An Emission Control Service.
(See footnote †.)
Check rear/front axle fluid level and add fluid as
needed. Check constant velocity joints and axle seals
for leaking.
Rotate tires. See Tire Inspection and Rotation on
page 5-62 for proper rotation pattern and additional
information. (See footnote +.)
6-7