Chevrolet 1997 Tahoe Owner's Manual page 393

I
Long Tripmighway Maintenance Schedule
--
Gasoline Engines
90,000 Miles (150 000 km)
0
Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0
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 leaking.
(See footnote
**.)
El
For Two-Wheel-Drive vehicles only: Clean
and repack the front wheel bearings (or at
each brake relining, whichever occurs first).
0
Replace fuel filter.
An Emission Control Service.
(See footnote?.)
0
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. Applicable 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
+.)
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