Long Trip/Highway Scheduled Maintenance
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7-40
97,500 Miles (162 500 km)
j Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See fo.)
100,000 Miles (166 000 km)
j Inspect spark plug wires.
An Emission Control Service.
j Replace spark plugs.
An Emission Control Service.
j If you haven’t used your vehicle under severe service conditions listed
previously and, therefore, haven’t changed your automatic transmission
fluid, change both the fluid and filter. Manual transmission fluid doesn’t
require change.
j 4.3L V6 Engine Only: Inspect Positive Crankcase Ventilation (PCV) valve.
An Emission Control Service.
ACTUAL
SERVICED BY:
MILEAGE
DATE
ACTUAL
SERVICED BY:
MILEAGE
DATE
Summary of Contents for 1999 Sonoma
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Page 108: ...yellowblue 2 50 Instrument Panel ...
Page 111: ...yellowblue 2 53 Optional Cluster Canada Similar ...
Page 150: ...yellowblue 3 26 NOTES ...
Page 360: ...yellowblue 7 52 Maintenance Record DATE ODOMETER READING SERVICED BY MAINTENANCE PERFORMED ...
Page 374: ...yellowblue 8 14 NOTES ...