Chevrolet 1998 C/K Full-Size Pickup Owner's Manual page 387

I
Short TripKity Maintenance Schedule
--
Gasoline Engines
I
48,000 Miles (80 000 km)
0
0
Change engine oil and filter (or every 3 months, whichever occurs first).
A n Emission Control Service.
Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote
#.)
Check readfront axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote
**
.)
Rotate tires. See "Tire Inspection and Rotation" in the Index for proper
rotation pattern and additional information. (See footnote
+.)
I
DATE
I
1
MILEAGE
ACTUAL SERVICED BY:
50,000 Miles (83 000 km)
0
Change automatic transmission fluid and filter if the vehicle's GVWR is over
-
In heavy city traffic where the outside temperature regularly reaches
8600 lbs. or if the vehicle is mainly driven under one or more of these conditions:
MILEAGE
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.
I f
you do not use
pour
vehicle under any of these conditions, change
the
fluid
and filter at 100,000 miles ( I 66
000 km).
Manual transmission fluid doesn't require change.
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