Chevrolet 1997 Tahoe Owner's Manual page 385

1
Long TripMighway Maintenance Schedule
--
Gas
15,000 Miles (25 000 km) (Continued)
Vehicles With GVWR Above 8,500 lbs.
Only: Inspect shields and underhood
insulation for damage or looseness. Adjust
or replace as required.
This is a Noise Emission
Control Service. Applicuble only to vehicles sold in
the United States.
0
Rotate tires. See "Tire Inspection and
Rotation" in the Index for proper rotation
pattern and additional information.
(See footnote
+.)
22,500 Miles (37 500 km)
0
Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
Lubricate chassis components (or every
12 months, whichever occurs first).
(See footnote
#.)
0
Check readfront axle fluid level and add fluid
as needed. Check constant velocity joints and
axle seals for lealung. (See footnote **.)
0
Rotate tires. See "Tire Inspection and
Rotation" in the Index for proper rotation
pattern and additional information.
(See footnote
+.)
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