GMC 1996 Sierra Owner's Manual page 361

Manual transmission fluid doesn't require change.
DATE ACTUAL MILEAGE SERVICED
BY:
52,500 Miles (87 500 km)
0
Change engine oil and filter (or every
12 months, whichever occurs first).
An Ewissioi1 Control Service.
0
Lubricate chassis components; see footnote
##
(or every 12 months, whichever occurs first).
0
Check readfront axle fluid level and add fluid
as needed. Check constant velocity joints and
axle seals for leaking.
**
0
Rotate tires. See "Tire Inspection and Rotation"
in the Index for proper rotation pattern and
additional information. During tire rotation,
check brake calipers for freedom of movement.
Refer to the appropriate GM service manual for
proper caliper service procedures.
~ ~ ~~
DATE ACTUAL MILEAGE SERVICED BY: