GMC 2003 Envoy - Manual (Page 408)

45.000 Miles {75 000 km)
J Inspect engifve air cleaner tiller if you are driving in
düsty condiiions Replace filter il
Emission Conirai Serv'ice. {See fooinaie f.}
□ Check rpar/tnont axie fluid level and add huid as
needed. Check congtanit velocity joints and ajde seals
for leaking.
J Rotate lires. See Tire inspection and Roiaijon an
page 5-59 for proper rotation pattern and additional
iolorniatlon.i'Sea faotnoie +.j
50.000 Miles (83 000 km)
■J Change automatic transmissEon fiuid and filler if the
vehicle is mamly driven tinder one or more of these
conditions:
- In ho 3 vy city traffic where the outside
temperatuiB regularly reaches (Э2Х)
□r higher.
- In hiNy ormountarnous tarrain.
- When doing ireguent trailer rowing.
Usas such as found In taxi, police or delivery
service
If you do not use your uehicte undor ony of tPese
conditions, cd&nge the fJuid and fittef ai Ю О.ООО miios
(166000 km).
J Automatic Transfer Case Only: Change transfer
case IJuld.
□ Check rear/front axle fluid level and add fluid as
needed. Check constant vefocily (oinls and axle seals
for leaking
J Rotate lires. See Tire inspeoihn ond Roîaîion on
page 5-56 lor proper fotalion paltern and additional
information. (See footnote -t-.)
60,000 Miles (100 000 km)
iJ Check rear/liont axle fluid level arid add fluid as
needed. Check oonslant velocity joints and axle seals
for leaking.
J Relate tires. See Trye inspection iind Roiaison on
page 5-5Б for proper rotation pattern and addittonat
information. (See faoinotc +.)
U Raplace fuel fitter An Emission Coniml Service
(See footnote f.)
J Replace errgine аТг cteanar filter. An Emission
Control Service.
52,500 Miles (87 500 km)
fi-7