1998 GMC Jimmy Owner's Manual - Page 361

I Short TripKity Maintenance Schedule I 99,000 Miles (165 000 km) (Continued) 0 Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) Check readfront axle fluidlevel and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) IO0,OOO Miles (166 000 km) 0 Inspect spark plug wires. An Emission Control Sewice. 0 Replace spark plugs. An Emission Control Service. 0 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. 0 Inspect Positive Crankcase Ventilation (PCV) valve. An Emission Control Service. DATE ACTUAL MILEAGE 1 I SERVICEDBY I 150,000 Miles (240 000 km) Drain, flush and refill cooling system (or every 60 months since lastservice, whichever occurs first).See "Engine Coolant'' in the Index for what to use. Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test cooling system and pressure cap. An Emission Control Service. DATE I 7-26