Chevrolet 2003 Silverado 1500 Pickup Owner's Manual page 508

75,000 Miles (125 000 km)
0 Inspect engine air cleaner filter if you are driving in
dusty conditions. Replace filter if necessary.
An Emission Control Service. (See footnote
t.)
0
Check readfront axle fluid level and add fluid as
needed. Check constant velocity joints and axle seals
for leaking.
D Allison Transmission Only: Change automatic
transmission fluid and filter if the vehicle is mainly
driven under one or more of these conditions:
-
In heavy city traffic where the outside
temperature regularly reaches 90°F (32°C) or
higher.
-
In hilly or mountainous terrain.
-
When doing frequent trailer towing.
-
Uses such as found in taxi, police or delivery
service.
If you do not use your vehicle under any of these
conditions, change the fluid and filter at
50,000 miles (83 000 km).
CI Rotate tires. See Tire Inspection and Rotation on
page 5-74 for proper rotation pattern and additional
information. (See footnote +.)
82,500 Miles (137 500 km)
0 Check readfront axle fluid level and add fluid as
needed. Check constant velocity joints and axle seals
for leaking.
page 5-74 for proper rotation pattern and additional
information. (See footnote +,)
0 Rotate tires. See Tire Inspection and Rotation on
90,000 Miles (150 000 km)
0 Check readfront axle fluid level and add fluid as
needed. Check constant velocity joints and axle seals
for leaking.
(See Footnote
t.)
Control Service.
page 5-74 for proper rotation pattern and additional
information. (See footnote +.)
0 Replace fuel filter. An Emission Control Service.
U Replace engine air cleaner filter. An Emission
0 Rotate tires. See Tire Inspection and Rotation on
97,500 Miles (162 500 km)
0 Check readfront axle fluid level and add fluid as
needed. Check constant velocity joints and axle seals
for leaking.
page 5-74 for proper rotation pattern and additional
information. (See footnote +.)
0 Rotate tires. See Tire Inspection and Rotation on
6-9