GMC Yukon Owner's Manual page 349

I
Short TripKity Maintenance Schedule
--
Gasoline Engines
I
69,000 Miles (115 000 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
72,000 Miles (120 000 km)
0
Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control Service.
I7
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.
**
c
DATE SERVICED B Y ACTUAL MILEAGE
7-21