GMC Jimmy 2004 Owner's Manual page 413

97,500 Miles (162 500 km)
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 #.)
Check rear/front 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 on
page 5-69 for proper rotation pattern and additional
information. (See footnote +.)
100,000 Miles (166 000 km)
Inspect spark plug wires. An Emission Control
Service.
Replace spark plugs. An Emission Control Service.
If you have not used your vehicle under severe
service conditions listed previously and, therefore,
have not changed your automatic transmission fluid,
change both the fluid and filter. Manual transmission
fluid does not require change.
Automatic Transfer Case Only: Change transfer
case fluid.
Inspect Positive Crankcase Ventilation (PCV) valve.
An Emission Control Service.
150,000 Miles (240 000 km)
Drain, flush and refill cooling system (or every
60 months since last service, whichever occurs first).
See Engine Coolant on page 5-25 for what to use.
Inspect hoses. Clean radiator, condenser, pressure
cap and neck. Pressure test the cooling system
and pressure cap. An Emission Control Service.
Inspect engine accessory drive belt. An Emission
Control Service.
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