GMC 2003 Savana Owner's Manual page 355

30,000 Miles (50 000 km)
Inspect engine air cleaner filter change indicator.
If necessary, replace the filter. If vehicle is driven
in dusty/dirty conditions, inspect filter change
indicator at every engine oil change. See Engine Air
Cleaner/Filter on page 5-19 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.
Clean and repack the front wheel bearings (or at
each brake relining, whichever occurs first).
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 †.)
Vehicles With GVWR Above 10,000 lbs. Only:
Inspect shields for damage or looseness. Adjust or
replace as required. This is a Noise Emission Control
Service. Applicable only to vehicles sold in the
United States.
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 change indicator.
If necessary, replace the filter. If vehicle is driven
in dusty/dirty conditions, inspect filter change
indicator at every engine oil change. See Engine Air
Cleaner/Filter on page 5-19 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.
Vehicles With GVWR Above 10,000 lbs. Only: Inspect
shields for damage or looseness. Adjust or replace as
required. This is a Noise Emission Control Service.
Applicable only to vehicles sold in the United States.
Rotate tires. See Tire Inspection and Rotation on
page 5-62 for proper rotation pattern and additional
information. (See footnote +.)
6-7