GMC 2001 Envoy - Manual (Page 392)

Short Trip/City Scheduled Maintenance
7-11
15,000 Miles (25 000 km)
j Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
j Inspect engine air cleaner filter if you are driving in dusty conditions.
Replace filter if necessary.
An Emission Control Service. (See footnote
[.)
j Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
j Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions:
– In heavy city traffic where the outside temperature regularly reaches
90
_F (32_C) or higher.
– In hilly or mountainous terrain.
– When doing frequent trailer towing.
– Uses such as found in taxi, police or delivery service.
If you do not use your vehicle under any of these conditions, change the
fluid and filter every 50,000 miles (83 000 km).
ACTUAL
SERVICED BY:
MILEAGE
DATE