GMC 1996 Sierra Owner's Manual page 345

Short TripKity Maintenance Schedule
--
Gasoline Engines
60,000 Miles (100 000 km)
0
Change engine oil and filter (or every
3
months, whichever occurs first).
An Emissiol~ 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.
**
0
For Two-Wheel-Drive vehicles only: Clean
and repack the front wheel bearings (or at
each brake relining, whichever occurs first).
0
Vehicles With GVWR Above 8,500 lbs.
Only: Inspect shields and underhood
insulation for damage or looseness. Adjust
or replace as required.
This is
n
Noise Emission
Control Service. Applicdde ordy
to
vehicles sold in
the United
States.
0
If your engine has a thermostatically
controlled cooling fan, inspect all hoses
and ducts for proper hook-up (or every
12 months, whichever occurs first). Be sure
the valve works properly.
This is
Lf
Noise
Emission Cor~trol Service. Applicuhle
o1li.y
t o
vehicles sold ir~ the United States.
Inspect engine accessory drive belt.
0
Replace fuel filter.
A 1 1
E177issi0/1 Cor1tr-d Service.
0
Conduct Exhaust Gas Recirculation (EGR)
system inspection as described in the
service manual.
A 1 7
Erni.ssior~ Corn-01 Service.
Ai?
Emissiorl Control Service.
(Continued)
7-19