GMC Yukon Owner's Manual page 352

I
Short Trip/City Maintenance Schedule
--
Gasoline Engines
I
84,000 Miles (140 000 km)
0
Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control Service.
0
Lubricate chassis components; see footnote #
(or every 3 months, whichever occurs first).
0
Check readfront
axle
fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
**
I
DATE ACTUAL MILEAGE
SERVICED B Y
87,000 Miles (145 000 km)
0
Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control Service.
0
Lubricate chassis components; see footnote #
(or every 3 months, whichever occurs first).
0
Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
**
~
DATE SERVICED B Y ACTUAL MILEAGE
7-24