GMC 2001 Envoy - Manual (Page 407)

Short Trip/City Scheduled Maintenance
7-26
87,000 Miles (145 000 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 Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote **.)
90,000 Miles (150 000 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 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.
ACTUAL
SERVICED BY:
MILEAGE
DATE
ACTUAL
SERVICED BY:
MILEAGE
DATE