1998 GMC ENVOY service

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Page 339 of 386

GMC ENVOY 1998  Owners Manual I Long Tripmighway  Maintenance  Schedule I 
7,500 Miles (I2 500 km) 
0 Change  engine  oil  and filter  (or  every 12 months, whichever  occurs  first). 
An  Emission  Control  Service. 
0 Lubricate

Page 340 of 386

GMC ENVOY 1998  Owners Manual I Long  TripMighway  Maintenance  Schedule I 
- 
- When  doing  frequent trailer towing. 
2 Uses such as found  in taxi, police  or delivery  service. 
lfyo~t do not use your vellicle  under any qf th

Page 341 of 386

GMC ENVOY 1998  Owners Manual 1 Long Tripmighway  Maintenance  Schedule 
30,000 Miles (50 000 km) (Continued) 
0 Lubricate chassis  components  (or every I2 months, whichever  occ~lrs  first). 
(See  footnote 
#.:) 
0 Check  readf

Page 342 of 386

GMC ENVOY 1998  Owners Manual 37,500 Miles (62 500 km) 
Change  engine oil and  filter (or every 12 months,  whichever  occurs  first). 
0 Lubricate chassis  components (or every I2 months, whichever  occurs  first). 
Check rear/f

Page 343 of 386

GMC ENVOY 1998  Owners Manual I 
I Long Tripmighway  Maintenance  Schedule b 
45,000 Miles (75 000 km) (Continued) 
- In hilly  or mountainous terrain. 
- When  doing  frequent  trailer towing. 
- Uses  such  as  found  in  taxi,

Page 344 of 386

GMC ENVOY 1998  Owners Manual I Long Tripmighway  Maintenance  Schedule I 
0 Rotate tires. See “Tire Inspection  and  Rotation” in the Index for  proper 
rotation  pattern  and  additional information.  (See  footnote 
+.) 
60

Page 345 of 386

GMC ENVOY 1998  Owners Manual I Long Trip/Highway  Maintenance  Schedule I 
60,000 Miles (100 000 km) (Continued) 
0 
0 
0 
0 
Rotate tires. See “Tire Inspection and Rotation” in the Index for proper 
rotation pattern and addi

Page 346 of 386

GMC ENVOY 1998  Owners Manual 75,000 Miles (125 000 km) 
0 Change  engine oil and filter (or every  12 months,  whichever  occurs  first). 
0 Lubricate  chassis  components  (or  every 12 months, whichever  occurs  first), 
AH Emi