1998 GMC SIERRA engine

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Page 386 of 452

GMC SIERRA 1998  Owners Manual I Short TripKity  Maintenance  Schedule -- Gasoline  Engines I 
42,000 Miles (70 000 km) 
0 Change engine oil and filter  (or every 3 months, whichever  occurs  first). 
0 Lubricate chassis components

Page 387 of 452

GMC SIERRA 1998  Owners Manual I Short TripKity  Maintenance  Schedule -- Gasoline  Engines I 
48,000 Miles (80 000 km) 
0 Change engine oil and  filter (or every 3 months, whichever  occurs  first). 
0 Lubricate chassis components

Page 388 of 452

GMC SIERRA 1998  Owners Manual I Short  Trip/City  Maintenance  Schedule -- Gasoline  Engines I 
51,000 Miles (85 000 km) 
0 Change engine  oil  and filter (or every 3 months, whichever occurs  first). 
0 Lubricate chassis componen

Page 389 of 452

GMC SIERRA 1998  Owners Manual I Short  Trip/City  Maintenance  Schedule -- Gasoline  Engines I 
Lubricate  chassis components  (or every 3 monms, whichever occurs first). 
0 Check readfront  axle fluid  level  and add fluid  as ne

Page 390 of 452

GMC SIERRA 1998  Owners Manual Short  TripKity  Maintenance  Schedule -- Gasoline  Engines 
60,000 Miles (100 000 km) (Continued) 
Replace fuel filter. 
0 Conduct Exhaust Gas Recirculation (EGR) system inspection as described in 
A

Page 391 of 452

GMC SIERRA 1998  Owners Manual I Short  Trip/City  Maintenance  Schedule -- Gasoline  Engines I 
66,000 Miles (110 000 km) 
0 Change engine oil and filter (or every 3 months, whichever  occurs  first). 
0 Lubricate  chassis compone

Page 392 of 452

GMC SIERRA 1998  Owners Manual Short Trip/City  Maintenance  Schedule -- Gasoline  Engines 
72,000 Miles (120 000 km) (Continued) 
0 Check readfront  axle fluid level and  add fluid as needed. Check constant 
0 Rotate tires.  See

Page 393 of 452

GMC SIERRA 1998  Owners Manual I Short  Trip/City  Maintenance  Schedule -- Gasoline  Engines 
0 Lubricate  chassis components (or  every 3 months, whichever  occurs  first). 
0 Check readfront  axle fluid level and add fluid as ne