lug pattern GMC SIERRA 1997 Owners Manual

Long Tripmighway Maintenance Schedule -- Gasoline Engines I
0 Rotate tires. See “Tire Inspection and
Rotation” in the Index for proper rotation
pattern and additional information.
(See footnote
+.)
I DATE I ACTUAL MILEAGE ISERVICED BY:(
100,000 Miles (144 000 km)
0 Inspect spark plug wires.
An Emission Control Service.
0 Replace spark plugs.
Change automatic transmission fluid
An Emission Control Service.
and filter if the vehicle’s GVWR is over
8600 lbs. or 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.
(Continued)
n A- I -43
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