GMC 2003 Sonoma Owner's Manual page 378

36,000 Miles (60 000 km)
0 Change engine oil and filter (or every 3 months,
U
Lubricate chassis components (or every 3 months,
0 Check readfront axle fluid level and add fluid as
whichever occurs first). An Emission Control Service.
whichever occurs first). (See footnote #.)
needed. Check constant velocity joints and axle seals
for leaking. (See footnote **.)
page 5-66 for proper rotation pattern and additional
information. (See footnote
+.)
0 Rotate tires. See Tire lnspection and Rotation on
39,000 Miles (65 000 km)
0 Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
0 Lubricate chassis components (or every 3 months,
0 Check readfront axle fluid level and add fluid as
whichever occurs first). (See footnote #)
needed. Check constant velocity joints and axle seals
for leaking. (See footnote **.)
42,000 Miles (70 000 km)
0
Change engine oil and filter (or every 3 months,
0 Lubricate chassis components (or every 3 months,
D Check readfront axle fluid level and add fluid as
whichever occurs first). An Emission Control Service.
whichever occurs first). (See footnote #.)
needed. Check constant velocity joints and axle seals
for leaking. (See footnote **.)
page 5-66 for proper rotation pattern and additional
information. (See footnote +.)
U
Rotate tires. See Tire lnspection and Rotation on
45,000 Miles (75 000 km)
0
Change engine oil and filter (or every 3 months,
0
Lubricate chassis components (or every 3 months,
0 Check readfront axle fluid level and add fluid as
whichever occurs first). An Emission Control Service.
whichever occurs first). (See footnote #.)
needed. Check constant velocity joints and axle seals
for leaking. (See footnote **.)
B For Two-Wheel-Drive vehicles only: Clean and
repack the front wheel bearings (or at each
brake relining, whichever occurs first).
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